2026-02-15 19:59:31 +11:00
28 changed files with 1544 additions and 89 deletions
--- a/cmd/oslstats/db.go
+++ b/cmd/oslstats/db.go
@@ -32,9 +32,11 @@ func registerDBModels(conn *bun.DB) []any {
 	models := []any{
 		(*db.RolePermission)(nil),
 		(*db.UserRole)(nil),
+		(*db.SeasonLeague)(nil),
 		(*db.User)(nil),
 		(*db.DiscordToken)(nil),
 		(*db.Season)(nil),
+		(*db.League)(nil),
 		(*db.Role)(nil),
 		(*db.Permission)(nil),
 		(*db.AuditLog)(nil),
--- a/cmd/oslstats/migrations/20260210182212_add_leagues.go
+++ b/cmd/oslstats/migrations/20260210182212_add_leagues.go
@@ -0,0 +1,67 @@
+package migrations
+
+import (
+	"context"
+
+	"github.com/uptrace/bun"
+
+	"git.haelnorr.com/h/oslstats/internal/db"
+)
+
+func init() {
+	Migrations.MustRegister(
+		// UP migration
+		func(ctx context.Context, dbConn *bun.DB) error {
+			// Add slap_version column to seasons table
+			_, err := dbConn.NewAddColumn().
+				Model((*db.Season)(nil)).
+				ColumnExpr("slap_version VARCHAR NOT NULL DEFAULT 'rebound'").
+				IfNotExists().
+				Exec(ctx)
+			if err != nil {
+				return err
+			}
+
+			// Create leagues table
+			_, err = dbConn.NewCreateTable().
+				Model((*db.League)(nil)).
+				Exec(ctx)
+			if err != nil {
+				return err
+			}
+
+			// Create season_leagues join table
+			_, err = dbConn.NewCreateTable().
+				Model((*db.SeasonLeague)(nil)).
+				Exec(ctx)
+			return err
+		},
+		// DOWN migration
+		func(ctx context.Context, dbConn *bun.DB) error {
+			// Drop season_leagues join table first
+			_, err := dbConn.NewDropTable().
+				Model((*db.SeasonLeague)(nil)).
+				IfExists().
+				Exec(ctx)
+			if err != nil {
+				return err
+			}
+
+			// Drop leagues table
+			_, err = dbConn.NewDropTable().
+				Model((*db.League)(nil)).
+				IfExists().
+				Exec(ctx)
+			if err != nil {
+				return err
+			}
+
+			// Remove slap_version column from seasons table
+			_, err = dbConn.NewDropColumn().
+				Model((*db.Season)(nil)).
+				ColumnExpr("slap_version").
+				Exec(ctx)
+			return err
+		},
+	)
+}
--- a/cmd/oslstats/routes.go
+++ b/cmd/oslstats/routes.go
@@ -106,6 +106,31 @@ func addRoutes(
 			Method:  hws.MethodPOST,
 			Handler: perms.RequirePermission(s, permissions.SeasonsUpdate)(handlers.SeasonEditSubmit(s, conn, audit)),
 		},
+		{
+			Path:    "/seasons/{season_short_name}/leagues/{league_short_name}",
+			Method:  hws.MethodPOST,
+			Handler: perms.RequirePermission(s, permissions.SeasonsAddLeague)(handlers.SeasonAddLeague(s, conn, audit)),
+		},
+		{
+			Path:    "/seasons/{season_short_name}/leagues/{league_short_name}",
+			Method:  hws.MethodDELETE,
+			Handler: perms.RequirePermission(s, permissions.SeasonsRemoveLeague)(handlers.SeasonRemoveLeague(s, conn, audit)),
+		},
+		{
+			Path:    "/leagues",
+			Method:  hws.MethodGET,
+			Handler: handlers.LeaguesList(s, conn),
+		},
+		{
+			Path:    "/leagues/new",
+			Method:  hws.MethodGET,
+			Handler: perms.RequirePermission(s, permissions.LeaguesCreate)(handlers.NewLeague(s, conn)),
+		},
+		{
+			Path:    "/leagues/new",
+			Method:  hws.MethodPOST,
+			Handler: perms.RequirePermission(s, permissions.LeaguesCreate)(handlers.NewLeagueSubmit(s, conn, audit)),
+		},
 	}

 	htmxRoutes := []hws.Route{
@@ -124,6 +149,16 @@ func addRoutes(
 			Method:  hws.MethodPOST,
 			Handler: handlers.IsUnique(s, conn, (*db.Season)(nil), "short_name"),
 		},
+		{
+			Path:    "/htmx/isleaguenameunique",
+			Method:  hws.MethodPOST,
+			Handler: handlers.IsUnique(s, conn, (*db.League)(nil), "name"),
+		},
+		{
+			Path:    "/htmx/isleagueshortnameunique",
+			Method:  hws.MethodPOST,
+			Handler: handlers.IsUnique(s, conn, (*db.League)(nil), "short_name"),
+		},
 	}

 	wsRoutes := []hws.Route{
--- a/internal/db/league.go
+++ b/internal/db/league.go
@@ -0,0 +1,37 @@
+package db
+
+import (
+	"context"
+
+	"github.com/pkg/errors"
+	"github.com/uptrace/bun"
+)
+
+type League struct {
+	bun.BaseModel `bun:"table:leagues,alias:l"`
+
+	ID          int    `bun:"id,pk,autoincrement"`
+	Name        string `bun:"name,unique,notnull"`
+	ShortName   string `bun:"short_name,unique,notnull"`
+	Description string `bun:"description"`
+
+	Seasons []Season `bun:"m2m:season_leagues,join:League=Season"`
+}
+
+type SeasonLeague struct {
+	SeasonID int     `bun:",pk"`
+	Season   *Season `bun:"rel:belongs-to,join:season_id=id"`
+	LeagueID int     `bun:",pk"`
+	League   *League `bun:"rel:belongs-to,join:league_id=id"`
+}
+
+func GetLeagues(ctx context.Context, tx bun.Tx) ([]*League, error) {
+	return GetList[League](tx).Relation("Seasons").GetAll(ctx)
+}
+
+func GetLeague(ctx context.Context, tx bun.Tx, shortname string) (*League, error) {
+	if shortname == "" {
+		return nil, errors.New("shortname cannot be empty")
+	}
+	return GetByField[League](tx, "short_name", shortname).Relation("Seasons").Get(ctx)
+}
--- a/internal/db/season.go
+++ b/internal/db/season.go
@@ -19,14 +19,18 @@ type Season struct {
 	EndDate         bun.NullTime `bun:"end_date"`
 	FinalsStartDate bun.NullTime `bun:"finals_start_date"`
 	FinalsEndDate   bun.NullTime `bun:"finals_end_date"`
+	SlapVersion     string       `bun:"slap_version,notnull,default:'rebound'"`
+
+	Leagues []League `bun:"m2m:season_leagues,join:Season=League"`
 }

 // NewSeason returns a new season. It does not add it to the database
-func NewSeason(name, shortname string, start time.Time) *Season {
+func NewSeason(name, version, shortname string, start time.Time) *Season {
 	season := &Season{
-		Name:      name,
-		ShortName: strings.ToUpper(shortname),
-		StartDate: start.Truncate(time.Hour * 24),
+		Name:        name,
+		ShortName:   strings.ToUpper(shortname),
+		StartDate:   start.Truncate(time.Hour * 24),
+		SlapVersion: version,
 	}
 	return season
 }
@@ -38,18 +42,19 @@ func ListSeasons(ctx context.Context, tx bun.Tx, pageOpts *PageOpts) (*List[Seas
 		bun.OrderDesc,
 		"start_date",
 	}
-	return GetList[Season](tx).GetPaged(ctx, pageOpts, defaults)
+	return GetList[Season](tx).Relation("Leagues").GetPaged(ctx, pageOpts, defaults)
 }

 func GetSeason(ctx context.Context, tx bun.Tx, shortname string) (*Season, error) {
 	if shortname == "" {
 		return nil, errors.New("short_name not provided")
 	}
-	return GetByField[Season](tx, "short_name", shortname).Get(ctx)
+	return GetByField[Season](tx, "short_name", shortname).Relation("Leagues").Get(ctx)
 }

 // Update updates the season struct. It does not insert to the database
-func (s *Season) Update(start, end, finalsStart, finalsEnd time.Time) {
+func (s *Season) Update(version string, start, end, finalsStart, finalsEnd time.Time) {
+	s.SlapVersion = version
 	s.StartDate = start.Truncate(time.Hour * 24)
 	if !end.IsZero() {
 		s.EndDate.Time = end.Truncate(time.Hour * 24)
--- a/internal/embedfs/web/css/output.css
+++ b/internal/embedfs/web/css/output.css
@@ -12,9 +12,12 @@
    --breakpoint-lg: 64rem;
    --breakpoint-xl: 80rem;
    --breakpoint-2xl: 96rem;
+    --container-xs: 20rem;
    --container-sm: 24rem;
    --container-md: 28rem;
+    --container-lg: 32rem;
    --container-2xl: 42rem;
+    --container-5xl: 64rem;
    --container-7xl: 80rem;
    --text-xs: 0.75rem;
    --text-xs--line-height: calc(1 / 0.75);
@@ -41,10 +44,42 @@
    --leading-relaxed: 1.625;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
+    --ease-in: cubic-bezier(0.4, 0, 1, 1);
+    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --default-transition-duration: 150ms;
    --default-transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    --default-font-family: var(--font-sans);
    --default-mono-font-family: var(--font-mono);
+    --color-rosewater: var(--rosewater);
+    --color-flamingo: var(--flamingo);
+    --color-pink: var(--pink);
+    --color-mauve: var(--mauve);
+    --color-red: var(--red);
+    --color-dark-red: var(--dark-red);
+    --color-maroon: var(--maroon);
+    --color-peach: var(--peach);
+    --color-yellow: var(--yellow);
+    --color-dark-yellow: var(--dark-yellow);
+    --color-green: var(--green);
+    --color-dark-green: var(--dark-green);
+    --color-teal: var(--teal);
+    --color-sky: var(--sky);
+    --color-sapphire: var(--sapphire);
+    --color-blue: var(--blue);
+    --color-dark-blue: var(--dark-blue);
+    --color-lavender: var(--lavender);
+    --color-text: var(--text);
+    --color-subtext1: var(--subtext1);
+    --color-subtext0: var(--subtext0);
+    --color-overlay2: var(--overlay2);
+    --color-overlay1: var(--overlay1);
+    --color-overlay0: var(--overlay0);
+    --color-surface2: var(--surface2);
+    --color-surface1: var(--surface1);
+    --color-surface0: var(--surface0);
+    --color-base: var(--base);
+    --color-mantle: var(--mantle);
+    --color-crust: var(--crust);
  }
 }
@layer base {
@@ -243,6 +278,9 @@
  .top-0 {
    top: calc(var(--spacing) * 0);
  }
+  .top-1 {
+    top: calc(var(--spacing) * 1);
+  }
  .top-1\/2 {
    top: calc(1/2 * 100%);
  }
@@ -267,6 +305,12 @@
  .left-0 {
    left: calc(var(--spacing) * 0);
  }
+  .z-4 {
+    z-index: 4;
+  }
+  .z-7 {
+    z-index: 7;
+  }
  .z-10 {
    z-index: 10;
  }
@@ -276,6 +320,24 @@
  .z-50 {
    z-index: 50;
  }
+  .container {
+    width: 100%;
+    @media (width >= 40rem) {
+      max-width: 40rem;
+    }
+    @media (width >= 48rem) {
+      max-width: 48rem;
+    }
+    @media (width >= 64rem) {
+      max-width: 64rem;
+    }
+    @media (width >= 80rem) {
+      max-width: 80rem;
+    }
+    @media (width >= 96rem) {
+      max-width: 96rem;
+    }
+  }
  .mx-auto {
    margin-inline: auto;
  }
@@ -291,6 +353,9 @@
  .mt-2 {
    margin-top: calc(var(--spacing) * 2);
  }
+  .mt-3 {
+    margin-top: calc(var(--spacing) * 3);
+  }
  .mt-4 {
    margin-top: calc(var(--spacing) * 4);
  }
@@ -318,6 +383,12 @@
  .mt-25 {
    margin-top: calc(var(--spacing) * 25);
  }
+  .mt-auto {
+    margin-top: auto;
+  }
+  .mb-1 {
+    margin-bottom: calc(var(--spacing) * 1);
+  }
  .mb-2 {
    margin-bottom: calc(var(--spacing) * 2);
  }
@@ -336,9 +407,18 @@
  .mb-auto {
    margin-bottom: auto;
  }
+  .ml-1 {
+    margin-left: calc(var(--spacing) * 1);
+  }
  .ml-2 {
    margin-left: calc(var(--spacing) * 2);
  }
+  .line-clamp-2 {
+    overflow: hidden;
+    display: -webkit-box;
+    -webkit-box-orient: vertical;
+    -webkit-line-clamp: 2;
+  }
  .block {
    display: block;
  }
@@ -370,9 +450,21 @@
  .h-1 {
    height: calc(var(--spacing) * 1);
  }
+  .h-2 {
+    height: calc(var(--spacing) * 2);
+  }
+  .h-4 {
+    height: calc(var(--spacing) * 4);
+  }
  .h-5 {
    height: calc(var(--spacing) * 5);
  }
+  .h-6 {
+    height: calc(var(--spacing) * 6);
+  }
+  .h-12 {
+    height: calc(var(--spacing) * 12);
+  }
  .h-16 {
    height: calc(var(--spacing) * 16);
  }
@@ -391,9 +483,21 @@
  .min-h-\[calc\(100vh-200px\)\] {
    min-height: calc(100vh - 200px);
  }
+  .min-h-full {
+    min-height: 100%;
+  }
+  .w-4 {
+    width: calc(var(--spacing) * 4);
+  }
  .w-5 {
    width: calc(var(--spacing) * 5);
  }
+  .w-6 {
+    width: calc(var(--spacing) * 6);
+  }
+  .w-12 {
+    width: calc(var(--spacing) * 12);
+  }
  .w-26 {
    width: calc(var(--spacing) * 26);
  }
@@ -412,6 +516,9 @@
  .max-w-2xl {
    max-width: var(--container-2xl);
  }
+  .max-w-5xl {
+    max-width: var(--container-5xl);
+  }
  .max-w-7xl {
    max-width: var(--container-7xl);
  }
@@ -439,19 +546,49 @@
  .max-w-sm {
    max-width: var(--container-sm);
  }
+  .max-w-xs {
+    max-width: var(--container-xs);
+  }
  .min-w-0 {
    min-width: calc(var(--spacing) * 0);
  }
  .flex-1 {
    flex: 1;
  }
+  .flex-shrink {
+    flex-shrink: 1;
+  }
+  .flex-shrink-0 {
+    flex-shrink: 0;
+  }
  .shrink-0 {
    flex-shrink: 0;
  }
+  .flex-grow {
+    flex-grow: 1;
+  }
+  .grow {
+    flex-grow: 1;
+  }
+  .border-collapse {
+    border-collapse: collapse;
+  }
+  .-translate-y-1 {
+    --tw-translate-y: calc(var(--spacing) * -1);
+    translate: var(--tw-translate-x) var(--tw-translate-y);
+  }
  .-translate-y-1\/2 {
    --tw-translate-y: calc(calc(1/2 * 100%) * -1);
    translate: var(--tw-translate-x) var(--tw-translate-y);
  }
+  .translate-y-0 {
+    --tw-translate-y: calc(var(--spacing) * 0);
+    translate: var(--tw-translate-x) var(--tw-translate-y);
+  }
+  .translate-y-4 {
+    --tw-translate-y: calc(var(--spacing) * 4);
+    translate: var(--tw-translate-x) var(--tw-translate-y);
+  }
  .transform {
    transform: var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,);
  }
@@ -464,6 +601,12 @@
  .resize {
    resize: both;
  }
+  .resize-none {
+    resize: none;
+  }
+  .appearance-none {
+    appearance: none;
+  }
  .grid-cols-1 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }
@@ -556,6 +699,11 @@
      border-color: var(--surface2);
    }
  }
+  .truncate {
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+  }
  .overflow-hidden {
    overflow: hidden;
  }
@@ -620,6 +768,12 @@
  .bg-base {
    background-color: var(--base);
  }
+  .bg-base\/75 {
+    background-color: var(--base);
+    @supports (color: color-mix(in lab, red, red)) {
+      background-color: color-mix(in oklab, var(--base) 75%, transparent);
+    }
+  }
  .bg-blue {
    background-color: var(--blue);
  }
@@ -662,6 +816,12 @@
  .bg-mauve {
    background-color: var(--mauve);
  }
+  .bg-peach {
+    background-color: var(--peach);
+  }
+  .bg-red {
+    background-color: var(--red);
+  }
  .bg-red\/10 {
    background-color: var(--red);
    @supports (color: color-mix(in lab, red, red)) {
@@ -689,6 +849,9 @@
      background-color: color-mix(in oklab, var(--yellow) 10%, transparent);
    }
  }
+  .bg-no-repeat {
+    background-repeat: no-repeat;
+  }
  .p-1 {
    padding: calc(var(--spacing) * 1);
  }
@@ -722,6 +885,12 @@
  .px-6 {
    padding-inline: calc(var(--spacing) * 6);
  }
+  .py-0 {
+    padding-block: calc(var(--spacing) * 0);
+  }
+  .py-0\.5 {
+    padding-block: calc(var(--spacing) * 0.5);
+  }
  .py-1 {
    padding-block: calc(var(--spacing) * 1);
  }
@@ -737,12 +906,27 @@
  .py-8 {
    padding-block: calc(var(--spacing) * 8);
  }
+  .pt-5 {
+    padding-top: calc(var(--spacing) * 5);
+  }
+  .pr-2 {
+    padding-right: calc(var(--spacing) * 2);
+  }
+  .pr-8 {
+    padding-right: calc(var(--spacing) * 8);
+  }
  .pr-10 {
    padding-right: calc(var(--spacing) * 10);
  }
+  .pb-4 {
+    padding-bottom: calc(var(--spacing) * 4);
+  }
  .pb-6 {
    padding-bottom: calc(var(--spacing) * 6);
  }
+  .pl-3 {
+    padding-left: calc(var(--spacing) * 3);
+  }
  .text-center {
    text-align: center;
  }
@@ -787,6 +971,10 @@
    font-size: var(--text-xs);
    line-height: var(--tw-leading, var(--text-xs--line-height));
  }
+  .leading-6 {
+    --tw-leading: calc(var(--spacing) * 6);
+    line-height: calc(var(--spacing) * 6);
+  }
  .leading-relaxed {
    --tw-leading: var(--leading-relaxed);
    line-height: var(--leading-relaxed);
@@ -858,9 +1046,18 @@
  .italic {
    font-style: italic;
  }
+  .underline {
+    text-decoration-line: underline;
+  }
+  .opacity-0 {
+    opacity: 0%;
+  }
  .opacity-50 {
    opacity: 50%;
  }
+  .opacity-100 {
+    opacity: 100%;
+  }
  .shadow-lg {
    --tw-shadow: 0 10px 15px -3px var(--tw-shadow-color, rgb(0 0 0 / 0.1)), 0 4px 6px -4px var(--tw-shadow-color, rgb(0 0 0 / 0.1));
    box-shadow: var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
@@ -873,6 +1070,10 @@
    --tw-shadow: 0 20px 25px -5px var(--tw-shadow-color, rgb(0 0 0 / 0.1)), 0 8px 10px -6px var(--tw-shadow-color, rgb(0 0 0 / 0.1));
    box-shadow: var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
  }
+  .outline {
+    outline-style: var(--tw-outline-style);
+    outline-width: 1px;
+  }
  .filter {
    filter: var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,);
  }
@@ -881,11 +1082,37 @@
    transition-timing-function: var(--tw-ease, var(--default-transition-timing-function));
    transition-duration: var(--tw-duration, var(--default-transition-duration));
  }
+  .transition-all {
+    transition-property: all;
+    transition-timing-function: var(--tw-ease, var(--default-transition-timing-function));
+    transition-duration: var(--tw-duration, var(--default-transition-duration));
+  }
  .transition-colors {
    transition-property: color, background-color, border-color, outline-color, text-decoration-color, fill, stroke, --tw-gradient-from, --tw-gradient-via, --tw-gradient-to;
    transition-timing-function: var(--tw-ease, var(--default-transition-timing-function));
    transition-duration: var(--tw-duration, var(--default-transition-duration));
  }
+  .transition-opacity {
+    transition-property: opacity;
+    transition-timing-function: var(--tw-ease, var(--default-transition-timing-function));
+    transition-duration: var(--tw-duration, var(--default-transition-duration));
+  }
+  .duration-200 {
+    --tw-duration: 200ms;
+    transition-duration: 200ms;
+  }
+  .duration-300 {
+    --tw-duration: 300ms;
+    transition-duration: 300ms;
+  }
+  .ease-in {
+    --tw-ease: var(--ease-in);
+    transition-timing-function: var(--ease-in);
+  }
+  .ease-out {
+    --tw-ease: var(--ease-out);
+    transition-timing-function: var(--ease-out);
+  }
  .outline-none {
    --tw-outline-style: none;
    outline-style: none;
@@ -955,6 +1182,16 @@
      }
    }
  }
+  .hover\:bg-red\/75 {
+    &:hover {
+      @media (hover: hover) {
+        background-color: var(--red);
+        @supports (color: color-mix(in lab, red, red)) {
+          background-color: color-mix(in oklab, var(--red) 75%, transparent);
+        }
+      }
+    }
+  }
  .hover\:bg-sapphire\/75 {
    &:hover {
      @media (hover: hover) {
@@ -1013,6 +1250,16 @@
      }
    }
  }
+  .hover\:text-red\/75 {
+    &:hover {
+      @media (hover: hover) {
+        color: var(--red);
+        @supports (color: color-mix(in lab, red, red)) {
+          color: color-mix(in oklab, var(--red) 75%, transparent);
+        }
+      }
+    }
+  }
  .hover\:text-subtext1 {
    &:hover {
      @media (hover: hover) {
@@ -1100,6 +1347,21 @@
      inset-inline-end: calc(var(--spacing) * 6);
    }
  }
+  .sm\:mx-0 {
+    @media (width >= 40rem) {
+      margin-inline: calc(var(--spacing) * 0);
+    }
+  }
+  .sm\:mt-0 {
+    @media (width >= 40rem) {
+      margin-top: calc(var(--spacing) * 0);
+    }
+  }
+  .sm\:ml-4 {
+    @media (width >= 40rem) {
+      margin-left: calc(var(--spacing) * 4);
+    }
+  }
  .sm\:block {
    @media (width >= 40rem) {
      display: block;
@@ -1120,16 +1382,78 @@
      display: inline;
    }
  }
+  .sm\:h-10 {
+    @media (width >= 40rem) {
+      height: calc(var(--spacing) * 10);
+    }
+  }
+  .sm\:w-10 {
+    @media (width >= 40rem) {
+      width: calc(var(--spacing) * 10);
+    }
+  }
+  .sm\:w-auto {
+    @media (width >= 40rem) {
+      width: auto;
+    }
+  }
+  .sm\:w-full {
+    @media (width >= 40rem) {
+      width: 100%;
+    }
+  }
+  .sm\:max-w-lg {
+    @media (width >= 40rem) {
+      max-width: var(--container-lg);
+    }
+  }
+  .sm\:translate-y-0 {
+    @media (width >= 40rem) {
+      --tw-translate-y: calc(var(--spacing) * 0);
+      translate: var(--tw-translate-x) var(--tw-translate-y);
+    }
+  }
+  .sm\:scale-95 {
+    @media (width >= 40rem) {
+      --tw-scale-x: 95%;
+      --tw-scale-y: 95%;
+      --tw-scale-z: 95%;
+      scale: var(--tw-scale-x) var(--tw-scale-y);
+    }
+  }
+  .sm\:scale-100 {
+    @media (width >= 40rem) {
+      --tw-scale-x: 100%;
+      --tw-scale-y: 100%;
+      --tw-scale-z: 100%;
+      scale: var(--tw-scale-x) var(--tw-scale-y);
+    }
+  }
+  .sm\:grid-cols-2 {
+    @media (width >= 40rem) {
+      grid-template-columns: repeat(2, minmax(0, 1fr));
+    }
+  }
  .sm\:flex-row {
    @media (width >= 40rem) {
      flex-direction: row;
    }
  }
+  .sm\:flex-row-reverse {
+    @media (width >= 40rem) {
+      flex-direction: row-reverse;
+    }
+  }
  .sm\:items-center {
    @media (width >= 40rem) {
      align-items: center;
    }
  }
+  .sm\:items-start {
+    @media (width >= 40rem) {
+      align-items: flex-start;
+    }
+  }
  .sm\:justify-between {
    @media (width >= 40rem) {
      justify-content: space-between;
@@ -1140,6 +1464,11 @@
      gap: calc(var(--spacing) * 2);
    }
  }
+  .sm\:p-6 {
+    @media (width >= 40rem) {
+      padding: calc(var(--spacing) * 6);
+    }
+  }
  .sm\:p-7 {
    @media (width >= 40rem) {
      padding: calc(var(--spacing) * 7);
@@ -1155,6 +1484,16 @@
      padding-inline: calc(var(--spacing) * 6);
    }
  }
+  .sm\:pb-4 {
+    @media (width >= 40rem) {
+      padding-bottom: calc(var(--spacing) * 4);
+    }
+  }
+  .sm\:text-left {
+    @media (width >= 40rem) {
+      text-align: left;
+    }
+  }
  .sm\:text-4xl {
    @media (width >= 40rem) {
      font-size: var(--text-4xl);
@@ -1166,6 +1505,11 @@
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  }
+  .md\:grid-cols-3 {
+    @media (width >= 48rem) {
+      grid-template-columns: repeat(3, minmax(0, 1fr));
+    }
+  }
  .md\:gap-8 {
    @media (width >= 48rem) {
      gap: calc(var(--spacing) * 8);
@@ -1206,6 +1550,11 @@
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }
  }
+  .lg\:grid-cols-4 {
+    @media (width >= 64rem) {
+      grid-template-columns: repeat(4, minmax(0, 1fr));
+    }
+  }
  .lg\:items-end {
    @media (width >= 64rem) {
      align-items: flex-end;
@@ -1457,6 +1806,11 @@
  inherits: false;
  initial-value: 0 0 #0000;
 }
+@property --tw-outline-style {
+  syntax: "*";
+  inherits: false;
+  initial-value: solid;
+}
@property --tw-blur {
  syntax: "*";
  inherits: false;
@@ -1510,6 +1864,29 @@
  syntax: "*";
  inherits: false;
 }
+@property --tw-duration {
+  syntax: "*";
+  inherits: false;
+}
+@property --tw-ease {
+  syntax: "*";
+  inherits: false;
+}
+@property --tw-scale-x {
+  syntax: "*";
+  inherits: false;
+  initial-value: 1;
+}
+@property --tw-scale-y {
+  syntax: "*";
+  inherits: false;
+  initial-value: 1;
+}
+@property --tw-scale-z {
+  syntax: "*";
+  inherits: false;
+  initial-value: 1;
+}
@layer properties {
  @supports ((-webkit-hyphens: none) and (not (margin-trim: inline))) or ((-moz-orient: inline) and (not (color:rgb(from red r g b)))) {
    *, ::before, ::after, ::backdrop {
@@ -1541,6 +1918,7 @@
      --tw-ring-offset-width: 0px;
      --tw-ring-offset-color: #fff;
      --tw-ring-offset-shadow: 0 0 #0000;
+      --tw-outline-style: solid;
      --tw-blur: initial;
      --tw-brightness: initial;
      --tw-contrast: initial;
@@ -1554,6 +1932,11 @@
      --tw-drop-shadow-color: initial;
      --tw-drop-shadow-alpha: 100%;
      --tw-drop-shadow-size: initial;
+      --tw-duration: initial;
+      --tw-ease: initial;
+      --tw-scale-x: 1;
+      --tw-scale-y: 1;
+      --tw-scale-z: 1;
    }
  }
 }
--- a/internal/handlers/leagues_list.go
+++ b/internal/handlers/leagues_list.go
@@ -0,0 +1,34 @@
+package handlers
+
+import (
+	"context"
+	"net/http"
+
+	"git.haelnorr.com/h/golib/hws"
+	"github.com/pkg/errors"
+	"github.com/uptrace/bun"
+
+	"git.haelnorr.com/h/oslstats/internal/db"
+	"git.haelnorr.com/h/oslstats/internal/view/leaguesview"
+)
+
+func LeaguesList(
+	s *hws.Server,
+	conn *bun.DB,
+) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		var leagues []*db.League
+		if ok := db.WithReadTx(s, w, r, conn, func(ctx context.Context, tx bun.Tx) (bool, error) {
+			var err error
+			leagues, err = db.GetLeagues(ctx, tx)
+			if err != nil {
+				return false, errors.Wrap(err, "db.GetLeagues")
+			}
+			return true, nil
+		}); !ok {
+			return
+		}
+
+		renderSafely(leaguesview.ListPage(leagues), s, r, w)
+	})
+}
--- a/internal/handlers/leagues_new.go
+++ b/internal/handlers/leagues_new.go
@@ -0,0 +1,96 @@
+package handlers
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+
+	"git.haelnorr.com/h/golib/hws"
+	"github.com/pkg/errors"
+	"github.com/uptrace/bun"
+
+	"git.haelnorr.com/h/oslstats/internal/auditlog"
+	"git.haelnorr.com/h/oslstats/internal/db"
+	"git.haelnorr.com/h/oslstats/internal/notify"
+	"git.haelnorr.com/h/oslstats/internal/validation"
+	leaguesview "git.haelnorr.com/h/oslstats/internal/view/leaguesview"
+)
+
+func NewLeague(
+	s *hws.Server,
+	conn *bun.DB,
+) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.Method == "GET" {
+			renderSafely(leaguesview.NewPage(), s, r, w)
+			return
+		}
+	})
+}
+
+func NewLeagueSubmit(
+	s *hws.Server,
+	conn *bun.DB,
+	audit *auditlog.Logger,
+) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		getter, ok := validation.ParseFormOrNotify(s, w, r)
+		if !ok {
+			return
+		}
+		name := getter.String("name").
+			TrimSpace().Required().
+			MaxLength(50).MinLength(3).Value
+		shortname := getter.String("short_name").
+			TrimSpace().Required().
+			MaxLength(10).MinLength(2).Value
+		description := getter.String("description").
+			TrimSpace().MaxLength(500).Value
+		if !getter.ValidateAndNotify(s, w, r) {
+			return
+		}
+
+		nameUnique := false
+		shortNameUnique := false
+		var league *db.League
+		if ok := db.WithNotifyTx(s, w, r, conn, func(ctx context.Context, tx bun.Tx) (bool, error) {
+			var err error
+			nameUnique, err = db.IsUnique(ctx, tx, (*db.League)(nil), "name", name)
+			if err != nil {
+				return false, errors.Wrap(err, "db.IsLeagueNameUnique")
+			}
+			shortNameUnique, err = db.IsUnique(ctx, tx, (*db.League)(nil), "short_name", shortname)
+			if err != nil {
+				return false, errors.Wrap(err, "db.IsLeagueShortNameUnique")
+			}
+			if !nameUnique || !shortNameUnique {
+				return true, nil
+			}
+			league = &db.League{
+				Name:        name,
+				ShortName:   shortname,
+				Description: description,
+			}
+			err = db.Insert(tx, league).WithAudit(r, audit.Callback()).Exec(ctx)
+			if err != nil {
+				return false, errors.Wrap(err, "db.Insert")
+			}
+			return true, nil
+		}); !ok {
+			return
+		}
+
+		if !nameUnique {
+			notify.Warn(s, w, r, "Duplicate Name", "This league name is already taken.", nil)
+			return
+		}
+
+		if !shortNameUnique {
+			notify.Warn(s, w, r, "Duplicate Short Name", "This short name is already taken.", nil)
+			return
+		}
+		w.Header().Set("HX-Redirect", fmt.Sprintf("/leagues/%s", league.ShortName))
+		w.WriteHeader(http.StatusOK)
+		notify.SuccessWithDelay(s, w, r, "League Created", fmt.Sprintf("Successfully created league: %s", name), nil)
+	})
+}
--- a/internal/handlers/notifswebsocket.go
+++ b/internal/handlers/notifswebsocket.go
@@ -93,6 +93,10 @@ func notifyLoop(ctx context.Context, c *hws.Client, ws *websocket.Conn) error {
 				// Parse error code and stacktrace from Details field
 				code, stacktrace := parseErrorDetails(nt.Details)
 				err = popup.ErrorModalWS(code, stacktrace, nt, count).Render(ctx, w)
+			case notify.LevelInfo:
+				err = popup.Toast(nt, count, 6000).Render(ctx, w)
+			case notify.LevelSuccess:
+				err = popup.Toast(nt, count, 3000).Render(ctx, w)
 			default:
 				err = popup.Toast(nt, count, 6000).Render(ctx, w)
 			}
--- a/internal/handlers/season_edit.go
+++ b/internal/handlers/season_edit.go
@@ -24,12 +24,17 @@ func SeasonEditPage(
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		seasonStr := r.PathValue("season_short_name")
 		var season *db.Season
+		var allLeagues []*db.League
 		if ok := db.WithReadTx(s, w, r, conn, func(ctx context.Context, tx bun.Tx) (bool, error) {
 			var err error
 			season, err = db.GetSeason(ctx, tx, seasonStr)
 			if err != nil {
 				return false, errors.Wrap(err, "db.GetSeason")
 			}
+			allLeagues, err = db.GetLeagues(ctx, tx)
+			if err != nil {
+				return false, errors.Wrap(err, "db.GetLeagues")
+			}
 			return true, nil
 		}); !ok {
 			return
@@ -38,7 +43,7 @@ func SeasonEditPage(
 			throw.NotFound(s, w, r, r.URL.Path)
 			return
 		}
-		renderSafely(seasonsview.EditPage(season), s, r, w)
+		renderSafely(seasonsview.EditPage(season, allLeagues), s, r, w)
 	})
 }

@@ -60,10 +65,12 @@ func SeasonEditSubmit(
 			MonthNumeric2().Slash().
 			Year4().Build()

-		startDate := getter.Time("start_date", format).Required().Value
-		endDate := getter.Time("end_date", format).Value
-		finalsStartDate := getter.Time("finals_start_date", format).Value
-		finalsEndDate := getter.Time("finals_end_date", format).Value
+		version := getter.String("slap_version").
+			TrimSpace().Required().AllowedValues([]string{"rebound", "slapshot1"}).Value
+		start := getter.Time("start_date", format).Required().Value
+		end := getter.Time("end_date", format).Value
+		finalsStart := getter.Time("finals_start_date", format).Value
+		finalsEnd := getter.Time("finals_end_date", format).Value

 		if !getter.ValidateAndNotify(s, w, r) {
 			return
@@ -79,9 +86,9 @@ func SeasonEditSubmit(
 			if season == nil {
 				return false, errors.New("season does not exist")
 			}
-			season.Update(startDate, endDate, finalsStartDate, finalsEndDate)
+			season.Update(version, start, end, finalsStart, finalsEnd)
 			err = db.Update(tx, season).WherePK().
-				Column("start_date", "end_date", "finals_start_date", "finals_end_date").
+				Column("slap_version", "start_date", "end_date", "finals_start_date", "finals_end_date").
 				WithAudit(r, audit.Callback()).Exec(ctx)
 			if err != nil {
 				return false, errors.Wrap(err, "db.Update")
--- a/internal/handlers/season_leagues.go
+++ b/internal/handlers/season_leagues.go
@@ -0,0 +1,134 @@
+package handlers
+
+import (
+	"context"
+	"net/http"
+
+	"git.haelnorr.com/h/golib/hws"
+	"github.com/pkg/errors"
+	"github.com/uptrace/bun"
+
+	"git.haelnorr.com/h/oslstats/internal/auditlog"
+	"git.haelnorr.com/h/oslstats/internal/db"
+	"git.haelnorr.com/h/oslstats/internal/notify"
+	"git.haelnorr.com/h/oslstats/internal/view/seasonsview"
+)
+
+func SeasonAddLeague(
+	s *hws.Server,
+	conn *bun.DB,
+	audit *auditlog.Logger,
+) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		seasonStr := r.PathValue("season_short_name")
+		leagueStr := r.PathValue("league_short_name")
+
+		var season *db.Season
+		var allLeagues []*db.League
+		if ok := db.WithNotifyTx(s, w, r, conn, func(ctx context.Context, tx bun.Tx) (bool, error) {
+			var err error
+			season, err = db.GetSeason(ctx, tx, seasonStr)
+			if err != nil {
+				return false, errors.Wrap(err, "db.GetSeason")
+			}
+			if season == nil {
+				return false, errors.New("season not found")
+			}
+
+			league, err := db.GetLeague(ctx, tx, leagueStr)
+			if err != nil {
+				return false, errors.Wrap(err, "db.GetLeague")
+			}
+			if league == nil {
+				return false, errors.New("league not found")
+			}
+
+			// Create the many-to-many relationship
+			seasonLeague := &db.SeasonLeague{
+				SeasonID: season.ID,
+				LeagueID: league.ID,
+			}
+			err = db.Insert(tx, seasonLeague).WithAudit(r, audit.Callback()).Exec(ctx)
+			if err != nil {
+				return false, errors.Wrap(err, "db.Insert")
+			}
+
+			// Reload season with updated leagues
+			season, err = db.GetSeason(ctx, tx, seasonStr)
+			if err != nil {
+				return false, errors.Wrap(err, "db.GetSeason")
+			}
+
+			allLeagues, err = db.GetLeagues(ctx, tx)
+			if err != nil {
+				return false, errors.Wrap(err, "db.GetLeagues")
+			}
+
+			return true, nil
+		}); !ok {
+			return
+		}
+
+		notify.Success(s, w, r, "League Added", "League successfully added to season", nil)
+		renderSafely(seasonsview.LeaguesSection(season, allLeagues), s, r, w)
+	})
+}
+
+func SeasonRemoveLeague(
+	s *hws.Server,
+	conn *bun.DB,
+	audit *auditlog.Logger,
+) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		seasonStr := r.PathValue("season_short_name")
+		leagueStr := r.PathValue("league_short_name")
+
+		var season *db.Season
+		var allLeagues []*db.League
+		if ok := db.WithNotifyTx(s, w, r, conn, func(ctx context.Context, tx bun.Tx) (bool, error) {
+			var err error
+			season, err = db.GetSeason(ctx, tx, seasonStr)
+			if err != nil {
+				return false, errors.Wrap(err, "db.GetSeason")
+			}
+			if season == nil {
+				return false, errors.New("season not found")
+			}
+
+			league, err := db.GetLeague(ctx, tx, leagueStr)
+			if err != nil {
+				return false, errors.Wrap(err, "db.GetLeague")
+			}
+			if league == nil {
+				return false, errors.New("league not found")
+			}
+
+			// Delete the many-to-many relationship
+			err = db.DeleteItem[db.SeasonLeague](tx).
+				Where("season_id = ? AND league_id = ?", season.ID, league.ID).
+				WithAudit(r, audit.Callback()).
+				Delete(ctx)
+			if err != nil {
+				return false, errors.Wrap(err, "db.DeleteItem")
+			}
+
+			// Reload season with updated leagues
+			season, err = db.GetSeason(ctx, tx, seasonStr)
+			if err != nil {
+				return false, errors.Wrap(err, "db.GetSeason")
+			}
+
+			allLeagues, err = db.GetLeagues(ctx, tx)
+			if err != nil {
+				return false, errors.Wrap(err, "db.GetLeagues")
+			}
+
+			return true, nil
+		}); !ok {
+			return
+		}
+
+		notify.Success(s, w, r, "League Removed", "League successfully removed from season", nil)
+		renderSafely(seasonsview.LeaguesSection(season, allLeagues), s, r, w)
+	})
+}
--- a/internal/handlers/seasons_list.go
+++ b/internal/handlers/seasons_list.go
@@ -11,6 +11,7 @@ import (
 	"github.com/uptrace/bun"
 )

+// SeasonsPage renders the full page with the seasons list, for use with GET requests
 func SeasonsPage(
 	s *hws.Server,
 	conn *bun.DB,
@@ -35,6 +36,7 @@ func SeasonsPage(
 	})
 }

+// SeasonsList renders just the seasons list, for use with POST requests and HTMX
 func SeasonsList(
 	s *hws.Server,
 	conn *bun.DB,
--- a/internal/handlers/seasons_new.go
+++ b/internal/handlers/seasons_new.go
@@ -41,14 +41,16 @@ func NewSeasonSubmit(
 		name := getter.String("name").
 			TrimSpace().Required().
 			MaxLength(20).MinLength(5).Value
-		shortName := getter.String("short_name").
+		shortname := getter.String("short_name").
 			TrimSpace().ToUpper().Required().
 			MaxLength(6).MinLength(2).Value
+		version := getter.String("slap_version").
+			TrimSpace().Required().AllowedValues([]string{"rebound", "slapshot1"}).Value
 		format := timefmt.NewBuilder().
 			DayNumeric2().Slash().
 			MonthNumeric2().Slash().
 			Year4().Build()
-		startDate := getter.Time("start_date", format).Required().Value
+		start := getter.Time("start_date", format).Required().Value
 		if !getter.ValidateAndNotify(s, w, r) {
 			return
 		}
@@ -62,14 +64,14 @@ func NewSeasonSubmit(
 			if err != nil {
 				return false, errors.Wrap(err, "db.IsSeasonNameUnique")
 			}
-			shortNameUnique, err = db.IsUnique(ctx, tx, (*db.Season)(nil), "short_name", shortName)
+			shortNameUnique, err = db.IsUnique(ctx, tx, (*db.Season)(nil), "short_name", shortname)
 			if err != nil {
 				return false, errors.Wrap(err, "db.IsSeasonShortNameUnique")
 			}
 			if !nameUnique || !shortNameUnique {
 				return true, nil
 			}
-			season = db.NewSeason(name, shortName, startDate)
+			season = db.NewSeason(name, version, shortname, start)
 			err = db.Insert(tx, season).WithAudit(r, audit.Callback()).Exec(ctx)
 			if err != nil {
 				return false, errors.Wrap(err, "db.Insert")
--- a/internal/permissions/constants.go
+++ b/internal/permissions/constants.go
@@ -12,9 +12,16 @@ const (
 	Wildcard Permission = "*"

 	// Seasons permissions
-	SeasonsCreate Permission = "seasons.create"
-	SeasonsUpdate Permission = "seasons.update"
-	SeasonsDelete Permission = "seasons.delete"
+	SeasonsCreate       Permission = "seasons.create"
+	SeasonsUpdate       Permission = "seasons.update"
+	SeasonsDelete       Permission = "seasons.delete"
+	SeasonsAddLeague    Permission = "seasons.add_league"
+	SeasonsRemoveLeague Permission = "seasons.remove_league"
+
+	// Leagues permissions
+	LeaguesCreate Permission = "leagues.create"
+	LeaguesUpdate Permission = "leagues.update"
+	LeaguesDelete Permission = "leagues.delete"

 	// Users permissions
 	UsersUpdate      Permission = "users.update"
--- a/internal/view/baseview/layout.templ
+++ b/internal/view/baseview/layout.templ
@@ -37,6 +37,7 @@ templ Layout(title string) {
 		>
 			@popup.ErrorModalContainer()
 			@popup.ToastContainer()
+			@popup.ConfirmModal()
 			<div
 				id="main-content"
 				class="flex flex-col h-screen justify-between"
--- a/internal/view/baseview/navbar.templ
+++ b/internal/view/baseview/navbar.templ
@@ -20,6 +20,7 @@ type ProfileItem struct {
 func getNavItems() []NavItem {
 	return []NavItem{
 		{Name: "Seasons", Href: "/seasons"},
+		{Name: "Leagues", Href: "/leagues"},
 	}
 }

--- a/internal/view/datepicker/datepicker.templ
+++ b/internal/view/datepicker/datepicker.templ
@@ -41,6 +41,7 @@ templ DatePickerWithDefault(id, name, label, placeholder string, required bool,
 					showPicker: false,
 					selectedDate: defaultValue || "",
 					displayDate: defaultValue || "",
+					lastValidDate: defaultValue || "",
 					tempYear: new Date().getFullYear(),
 					tempMonth: new Date().getMonth(),
 					months: [
@@ -81,6 +82,7 @@ templ DatePickerWithDefault(id, name, label, placeholder string, required bool,
 						const y = this.tempYear;
 						this.displayDate = d + "/" + m + "/" + y;
 						this.selectedDate = this.displayDate;
+						this.lastValidDate = this.displayDate;
 						this.$refs.dateInput.value = this.displayDate;
 						this.showPicker = false;
 						// Manually trigger input event so Alpine.js @input handler fires
@@ -112,11 +114,107 @@ templ DatePickerWithDefault(id, name, label, placeholder string, required bool,
 							this.tempYear === today.getFullYear()
 						);
 					},
+					handleInput(event) {
+						let value = event.target.value;
+						const oldValue = this.displayDate;
+						
+						// Remove non-numeric characters except /
+						value = value.replace(/[^\d/]/g, '');
+						
+						// Handle backspace - if user deletes a slash, delete the number before it too
+						if (value.length < oldValue.length) {
+							// User is deleting
+							if (oldValue.charAt(value.length) === '/' && value.charAt(value.length - 1) !== '/') {
+								// They just deleted a slash, remove the digit before it
+								value = value.substring(0, value.length - 1);
+							}
+						} else {
+							// Auto-insert slashes when typing forward
+							if (value.length === 2 && !value.includes('/')) {
+								value = value + '/';
+							} else if (value.length === 5 && value.split('/').length === 2) {
+								value = value + '/';
+							}
+						}
+						
+						// Limit to DD/MM/YYYY format (10 characters)
+						if (value.length > 10) {
+							value = value.substring(0, 10);
+						}
+						
+						this.displayDate = value;
+						event.target.value = value;
+						
+						// Validate complete date
+						if (value.length === 10) {
+							const parts = value.split('/');
+							if (parts.length === 3) {
+								const day = parseInt(parts[0]);
+								const month = parseInt(parts[1]);
+								const year = parseInt(parts[2]);
+								
+								// Basic validation
+								if (month >= 1 && month <= 12 && day >= 1 && day <= 31 && year >= 2001 && year <= 2051) {
+									this.selectedDate = value;
+									this.lastValidDate = value;
+									this.tempYear = year;
+									this.tempMonth = month - 1;
+								}
+							}
+						}
+					},
+					handleBackspace(event) {
+						const input = event.target;
+						const cursorPos = input.selectionStart;
+						const value = input.value;
+						
+						// Check if we're about to delete a slash at position 2 or 5
+						if (cursorPos === 3 && value.charAt(2) === '/') {
+							// Delete both the slash and the character before it
+							event.preventDefault();
+							const newValue = value.substring(0, 1) + value.substring(3);
+							this.displayDate = newValue;
+							input.value = newValue;
+							this.$nextTick(() => {
+								input.setSelectionRange(1, 1);
+							});
+						} else if (cursorPos === 6 && value.charAt(5) === '/') {
+							// Delete both the slash and the character before it
+							event.preventDefault();
+							const newValue = value.substring(0, 4) + value.substring(6);
+							this.displayDate = newValue;
+							input.value = newValue;
+							this.$nextTick(() => {
+								input.setSelectionRange(4, 4);
+							});
+						}
+						// Otherwise, let default backspace behavior work
+					},
+					isValidDate(dateString) {
+						if (!dateString || dateString.length !== 10) return false;
+						const parts = dateString.split('/');
+						if (parts.length !== 3) return false;
+						
+						const day = parseInt(parts[0]);
+						const month = parseInt(parts[1]);
+						const year = parseInt(parts[2]);
+						
+						// Check ranges
+						if (month < 1 || month > 12) return false;
+						if (year < 2001 || year > 2051) return false;
+						if (day < 1 || day > 31) return false;
+						
+						// Check valid day for month
+						const daysInMonth = new Date(year, month, 0).getDate();
+						if (day > daysInMonth) return false;
+						
+						return true;
+					},
 				};
 			}
 		</script>
 		<label for={ id } class="block text-sm font-medium mb-2">{ label }</label>
-		<div class="relative">
+		<div class="relative" x-ref="datePickerContainer">
 			<input
 				type="text"
 				id={ id }
@@ -125,20 +223,23 @@ templ DatePickerWithDefault(id, name, label, placeholder string, required bool,
 				class="py-3 px-4 pr-10 block w-full rounded-lg text-sm bg-base border-2 border-overlay0 focus:border-blue outline-none"
 				placeholder={ placeholder }
 				pattern="\d{2}/\d{2}/\d{4}"
+				inputmode="numeric"
 				if required {
 					required
 				}
-				readonly
 				x-model="displayDate"
-				@click="showPicker = !showPicker"
+				@input="handleInput($event)"
+				@focus="showPicker = true"
+				@keydown.backspace="handleBackspace($event)"
+				@keydown.enter.prevent="if (isValidDate(displayDate)) { lastValidDate = displayDate; } else { displayDate = lastValidDate; $event.target.value = lastValidDate; } $event.target.blur(); showPicker = false;"
 				if onChange != "" {
-					@input={ onChange }
+					@input.debounce.500ms={ onChange }
 				}
 			/>
 			<button
 				type="button"
 				class="absolute right-3 top-1/2 -translate-y-1/2 text-subtext0 hover:text-text"
-				@click="showPicker = !showPicker"
+				@click="showPicker = !showPicker; if(showPicker) { $refs.dateInput.focus(); }"
 			>
 				<svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
 					<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 7V3m8 4V3m-9 8h10M5 21h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v12a2 2 0 002 2z"></path>
@@ -148,7 +249,7 @@ templ DatePickerWithDefault(id, name, label, placeholder string, required bool,
 			<div
 				x-show="showPicker"
 				x-cloak
-				@click.away="showPicker = false"
+				@click.outside="if(!$refs.datePickerContainer.contains($event.target)) { showPicker = false }"
 				class="absolute z-50 mt-2 bg-mantle border-2 border-surface1 rounded-lg shadow-lg p-4 w-80"
 			>
 				<!-- Month/Year Navigation -->
--- a/internal/view/leaguesview/list_page.templ
+++ b/internal/view/leaguesview/list_page.templ
@@ -0,0 +1,73 @@
+package leaguesview
+
+import "git.haelnorr.com/h/oslstats/internal/db"
+import "git.haelnorr.com/h/oslstats/internal/view/baseview"
+import "git.haelnorr.com/h/oslstats/internal/contexts"
+import "git.haelnorr.com/h/oslstats/internal/permissions"
+import "fmt"
+
+templ ListPage(leagues []*db.League) {
+	@baseview.Layout("Leagues") {
+		<div class="max-w-screen-2xl mx-auto px-2">
+			@LeaguesList(leagues)
+		</div>
+	}
+}
+
+templ LeaguesList(leagues []*db.League) {
+	{{
+		permCache := contexts.Permissions(ctx)
+		canAddLeague := permCache.HasPermission(permissions.LeaguesCreate)
+	}}
+	<div id="leagues-list-container">
+		<!-- Header with title -->
+		<div class="flex flex-col sm:flex-row justify-between items-start sm:items-center gap-4 mb-6 px-4">
+			<div class="flex gap-4 items-center">
+				<span class="text-3xl font-bold">Leagues</span>
+				if canAddLeague {
+					<a
+						href="/leagues/new"
+						class="rounded-lg px-2 py-1 hover:cursor-pointer text-center text-sm
+              bg-green hover:bg-green/75 text-mantle transition"
+					>Add league</a>
+				}
+			</div>
+		</div>
+		
+		<!-- Results section -->
+		if len(leagues) == 0 {
+			<div class="bg-mantle border border-surface1 rounded-lg p-8 text-center">
+				<p class="text-subtext0 text-lg">No leagues found</p>
+			</div>
+		} else {
+			<!-- Card grid -->
+			<div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+				for _, l := range leagues {
+					<a
+						class="bg-mantle border border-surface1 rounded-lg p-6 hover:bg-surface0 transition-colors"
+						href={ fmt.Sprintf("/leagues/%s", l.ShortName) }
+					>
+						<!-- Header: Name -->
+						<div class="flex justify-between items-start mb-3">
+							<h3 class="text-xl font-bold text-text">{ l.Name }</h3>
+						</div>
+						
+						<!-- Info Row: Short Name -->
+						<div class="flex items-center gap-3 text-sm mb-3">
+							<span class="px-2 py-1 bg-surface1 rounded text-subtext0 font-mono">
+								{ l.ShortName }
+							</span>
+						</div>
+						
+						<!-- Description -->
+						if l.Description != "" {
+							<p class="text-subtext0 text-sm line-clamp-2">
+								{ l.Description }
+							</p>
+						}
+					</a>
+				}
+			</div>
+		}
+	</div>
+}
--- a/internal/view/leaguesview/new_form.templ
+++ b/internal/view/leaguesview/new_form.templ
@@ -0,0 +1,174 @@
+package leaguesview
+
+templ NewForm() {
+	<form
+		hx-post="/leagues/new"
+		hx-swap="none"
+		x-data={ templ.JSFuncCall("newLeagueFormData").CallInline }
+		@submit="handleSubmit()"
+		@htmx:after-request="if(submitTimeout) clearTimeout(submitTimeout); const redirect = $event.detail.xhr.getResponseHeader('HX-Redirect'); if(redirect) return; if(!$event.detail.successful) { isSubmitting=false; buttonText='Create League'; generalError='An error occurred. Please try again.'; }"
+	>
+		<script>
+			function newLeagueFormData() {
+				return {
+					canSubmit: false,
+					buttonText: "Create League",
+					// Name validation state
+					nameError: "",
+					nameIsChecking: false,
+					nameIsUnique: false,
+					nameIsEmpty: true,
+					// Short name validation state
+					shortNameError: "",
+					shortNameIsChecking: false,
+					shortNameIsUnique: false,
+					shortNameIsEmpty: true,
+					// Form state
+					isSubmitting: false,
+					generalError: "",
+					submitTimeout: null,
+					// Reset name errors
+					resetNameErr() {
+						this.nameError = "";
+						this.nameIsChecking = false;
+						this.nameIsUnique = false;
+					},
+					// Reset short name errors
+					resetShortNameErr() {
+						this.shortNameError = "";
+						this.shortNameIsChecking = false;
+						this.shortNameIsUnique = false;
+					},
+					// Check if form can be submitted
+					updateCanSubmit() {
+						this.canSubmit =
+							!this.nameIsEmpty &&
+							this.nameIsUnique &&
+							!this.nameIsChecking &&
+							!this.shortNameIsEmpty &&
+							this.shortNameIsUnique &&
+							!this.shortNameIsChecking;
+					},
+					// Handle form submission
+					handleSubmit() {
+						this.isSubmitting = true;
+						this.buttonText = "Creating...";
+						this.generalError = "";
+						// Set timeout for 10 seconds
+						this.submitTimeout = setTimeout(() => {
+							this.isSubmitting = false;
+							this.buttonText = "Create League";
+							this.generalError = "Request timed out. Please try again.";
+						}, 10000);
+					},
+				};
+			}
+		</script>
+		<div class="grid gap-y-5">
+			<!-- Name Field -->
+			<div>
+				<label for="name" class="block text-sm font-medium mb-2">League Name</label>
+				<div class="relative">
+					<input
+						type="text"
+						id="name"
+						name="name"
+						maxlength="50"
+						x-bind:class="{
+							'py-3 px-4 block w-full rounded-lg text-sm bg-base disabled:opacity-50 disabled:pointer-events-none border-2 outline-none': true,
+							'border-overlay0 focus:border-blue': !nameIsUnique && !nameError,
+							'border-green focus:border-green': nameIsUnique && !nameIsChecking && !nameError,
+							'border-red focus:border-red': nameError && !nameIsChecking && !isSubmitting
+						}"
+						required
+						placeholder="e.g. Pro League"
+						@input="resetNameErr(); nameIsEmpty = $el.value.trim() === ''; if(nameIsEmpty) { nameError='League name is required'; nameIsUnique=false; } updateCanSubmit();"
+						hx-post="/htmx/isleaguenameunique"
+						hx-trigger="input changed delay:500ms"
+						hx-swap="none"
+						@htmx:before-request="if($el.value.trim() === '') { nameIsEmpty=true; return; } nameIsEmpty=false; nameIsChecking=true; nameIsUnique=false; nameError=''; updateCanSubmit();"
+						@htmx:after-request="nameIsChecking=false; if($event.detail.successful) { nameIsUnique=true; } else if($event.detail.xhr.status === 409) { nameError='This league name is already taken'; nameIsUnique=false; } updateCanSubmit();"
+					/>
+					<p class="text-xs text-subtext1 mt-1">Maximum 50 characters</p>
+				</div>
+				<p
+					class="text-center text-xs text-red mt-2"
+					x-show="nameError && !isSubmitting"
+					x-cloak
+					x-text="nameError"
+				></p>
+			</div>
+			<!-- Short Name Field -->
+			<div>
+				<label for="short_name" class="block text-sm font-medium mb-2">Short Name</label>
+				<div class="relative">
+					<input
+						type="text"
+						id="short_name"
+						name="short_name"
+						maxlength="10"
+						x-bind:class="{
+							'py-3 px-4 block w-full rounded-lg text-sm bg-base disabled:opacity-50 disabled:pointer-events-none border-2 outline-none': true,
+							'border-overlay0 focus:border-blue': !shortNameIsUnique && !shortNameError,
+							'border-green focus:border-green': shortNameIsUnique && !shortNameIsChecking && !shortNameError,
+							'border-red focus:border-red': shortNameError && !shortNameIsChecking && !isSubmitting
+						}"
+						required
+						placeholder="e.g. PL"
+						@input="
+							resetShortNameErr();
+							shortNameIsEmpty = $el.value.trim() === '';
+							if(shortNameIsEmpty) {
+								shortNameError='Short name is required';
+								shortNameIsUnique=false;
+							}
+							updateCanSubmit();
+						"
+						hx-post="/htmx/isleagueshortnameunique"
+						hx-trigger="input changed delay:500ms"
+						hx-swap="none"
+						@htmx:before-request="if($el.value.trim() === '') { shortNameIsEmpty=true; return; } shortNameIsEmpty=false; shortNameIsChecking=true; shortNameIsUnique=false; shortNameError=''; updateCanSubmit();"
+						@htmx:after-request="shortNameIsChecking=false; if($event.detail.successful) { shortNameIsUnique=true; } else if($event.detail.xhr.status === 409) { shortNameError='This short name is already taken'; shortNameIsUnique=false; } updateCanSubmit();"
+					/>
+					<p class="text-xs text-subtext1 mt-1">Maximum 10 characters</p>
+				</div>
+				<p
+					class="text-center text-xs text-red mt-2"
+					x-show="shortNameError && !isSubmitting"
+					x-cloak
+					x-text="shortNameError"
+				></p>
+			</div>
+			<!-- Description Field (Optional) -->
+			<div>
+				<label for="description" class="block text-sm font-medium mb-2">Description (Optional)</label>
+				<textarea
+					id="description"
+					name="description"
+					rows="3"
+					maxlength="500"
+					class="py-3 px-4 block w-full rounded-lg text-sm bg-base border-2 border-overlay0 focus:border-blue outline-none resize-none"
+					placeholder="e.g. The top tier league for competitive play"
+				></textarea>
+				<p class="text-xs text-subtext1 mt-1">Maximum 500 characters</p>
+			</div>
+			<!-- General Error Message -->
+			<p
+				class="text-center text-sm text-red"
+				x-show="generalError"
+				x-cloak
+				x-text="generalError"
+			></p>
+			<!-- Submit Button -->
+			<button
+				x-bind:disabled="!canSubmit || isSubmitting"
+				x-text="buttonText"
+				type="submit"
+				class="w-full py-3 px-4 inline-flex justify-center items-center 
+                    gap-x-2 rounded-lg border border-transparent transition font-semibold
+                    bg-blue hover:bg-blue/75 text-mantle hover:cursor-pointer
+                    disabled:bg-blue/40 disabled:cursor-not-allowed"
+			></button>
+		</div>
+	</form>
+}
--- a/internal/view/leaguesview/new_page.templ
+++ b/internal/view/leaguesview/new_page.templ
@@ -0,0 +1,23 @@
+package leaguesview
+
+import "git.haelnorr.com/h/oslstats/internal/view/baseview"
+
+templ NewPage() {
+	@baseview.Layout("New League") {
+		<div class="max-w-5xl mx-auto px-4 py-8">
+			<div class="bg-mantle border border-surface1 rounded-xl">
+				<div class="p-6 sm:p-8">
+					<div class="text-center mb-8">
+						<h1 class="text-3xl font-bold text-text">Create New League</h1>
+						<p class="mt-2 text-sm text-subtext0">
+							Add a new league to the system. Name and short name are required.
+						</p>
+					</div>
+					<div class="max-w-md mx-auto">
+						@NewForm()
+					</div>
+				</div>
+			</div>
+		</div>
+	}
+}
--- a/internal/view/popup/confirm_modal.templ
+++ b/internal/view/popup/confirm_modal.templ
@@ -0,0 +1,94 @@
+package popup
+
+// ConfirmModal provides a reusable confirmation modal for delete/remove actions
+templ ConfirmModal() {
+	<div
+		x-data="{ 
+			open: false, 
+			title: '', 
+			message: '', 
+			confirmAction: null,
+			show(title, message, action) {
+				this.title = title;
+				this.message = message;
+				this.confirmAction = action;
+				this.open = true;
+			},
+			confirm() {
+				if (this.confirmAction) {
+					this.confirmAction();
+				}
+				this.open = false;
+			},
+			cancel() {
+				this.open = false;
+			}
+		}"
+		@confirm-action.window="show($event.detail.title, $event.detail.message, $event.detail.action)"
+		x-show="open"
+		x-cloak
+		class="fixed inset-0 z-50 overflow-y-auto"
+		aria-labelledby="modal-title"
+		role="dialog"
+		aria-modal="true"
+	>
+		<!-- Background overlay -->
+		<div
+			x-show="open"
+			x-transition:enter="ease-out duration-300"
+			x-transition:enter-start="opacity-0"
+			x-transition:enter-end="opacity-100"
+			x-transition:leave="ease-in duration-200"
+			x-transition:leave-start="opacity-100"
+			x-transition:leave-end="opacity-0"
+			class="fixed inset-0 bg-base/75 transition-opacity"
+			@click="cancel()"
+		></div>
+		<!-- Modal panel -->
+		<div class="flex min-h-full items-center justify-center p-4">
+			<div
+				x-show="open"
+				x-transition:enter="ease-out duration-300"
+				x-transition:enter-start="opacity-0 translate-y-4 sm:translate-y-0 sm:scale-95"
+				x-transition:enter-end="opacity-100 translate-y-0 sm:scale-100"
+				x-transition:leave="ease-in duration-200"
+				x-transition:leave-start="opacity-100 translate-y-0 sm:scale-100"
+				x-transition:leave-end="opacity-0 translate-y-4 sm:translate-y-0 sm:scale-95"
+				class="relative transform overflow-hidden rounded-lg bg-mantle border-2 border-surface1 shadow-xl transition-all sm:w-full sm:max-w-lg"
+				@click.stop
+			>
+				<div class="bg-mantle px-4 pb-4 pt-5 sm:p-6 sm:pb-4">
+					<div class="sm:flex sm:items-start">
+						<div class="mx-auto flex h-12 w-12 flex-shrink-0 items-center justify-center rounded-full bg-red/10 sm:mx-0 sm:h-10 sm:w-10">
+							<svg class="h-6 w-6 text-red" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor">
+								<path stroke-linecap="round" stroke-linejoin="round" d="M12 9v3.75m-9.303 3.376c-.866 1.5.217 3.374 1.948 3.374h14.71c1.73 0 2.813-1.874 1.948-3.374L13.949 3.378c-.866-1.5-3.032-1.5-3.898 0L2.697 16.126zM12 15.75h.007v.008H12v-.008z"></path>
+							</svg>
+						</div>
+						<div class="mt-3 text-center sm:ml-4 sm:mt-0 sm:text-left">
+							<h3 class="text-lg font-semibold leading-6 text-text" id="modal-title" x-text="title"></h3>
+							<div class="mt-2">
+								<p class="text-sm text-subtext0" x-text="message"></p>
+							</div>
+						</div>
+					</div>
+				</div>
+				<div class="bg-surface0 px-4 py-3 sm:flex sm:flex-row-reverse sm:px-6 gap-2">
+					<button
+						type="button"
+						@click="confirm()"
+						class="inline-flex w-full justify-center rounded-lg bg-red px-4 py-2 text-sm font-semibold text-mantle shadow-sm hover:bg-red/75 hover:cursor-pointer transition sm:w-auto"
+					>
+						Confirm
+					</button>
+					<button
+						type="button"
+						@click="cancel()"
+						class="mt-3 inline-flex w-full justify-center rounded-lg bg-surface1 px-4 py-2 text-sm font-semibold text-text shadow-sm hover:bg-surface2 hover:cursor-pointer transition sm:mt-0 sm:w-auto"
+					>
+						Cancel
+					</button>
+				</div>
+			</div>
+		</div>
+	</div>
+}
--- a/internal/view/seasonsview/detail_page.templ
+++ b/internal/view/seasonsview/detail_page.templ
@@ -26,9 +26,13 @@ templ SeasonDetails(season *db.Season) {
 			<div class="flex flex-col sm:flex-row justify-between items-start sm:items-center gap-4">
 				<div>
 					<h1 class="text-4xl font-bold text-text mb-2">{ season.Name }</h1>
-					<span class="inline-block bg-blue px-3 py-1 rounded-full text-sm font-semibold text-mantle">
-						{ season.ShortName }
-					</span>
+					<div class="flex items-center gap-2 flex-wrap">
+						<span class="inline-block bg-blue px-3 py-1 rounded-full text-sm font-semibold text-mantle">
+							{ season.ShortName }
+						</span>
+						@SlapVersionBadge(season.SlapVersion)
+						@StatusBadge(season, false, false)
+					</div>
 				</div>
 				<div class="flex gap-2">
 					if canEditSeason {
@@ -127,13 +131,25 @@ templ SeasonDetails(season *db.Season) {
 				</div>
 			</div>
 		</div>
-		<!-- Status Section -->
+		<!-- Leagues Section -->
 		<div class="px-6 pb-6">
 			<div class="bg-surface0 border border-surface1 rounded-lg p-6">
-				<h2 class="text-2xl font-bold text-text mb-4">Status</h2>
-				<div class="flex items-center gap-3">
-					@StatusBadge(season, false, false)
-				</div>
+				<h2 class="text-2xl font-bold text-text mb-4">Leagues</h2>
+				if len(season.Leagues) == 0 {
+					<p class="text-subtext0 text-sm">No leagues assigned to this season.</p>
+				} else {
+					<div class="grid grid-cols-1 sm:grid-cols-2 md:grid-cols-3 lg:grid-cols-4 gap-3">
+						for _, league := range season.Leagues {
+							<a
+								href={ templ.SafeURL("/seasons/" + season.ShortName + "/leagues/" + league.ShortName) }
+								class="bg-mantle border border-surface1 rounded-lg p-4 hover:bg-surface1 transition-colors"
+							>
+								<h3 class="font-semibold text-text mb-1">{ league.Name }</h3>
+								<span class="text-xs text-subtext0 font-mono">{ league.ShortName }</span>
+							</a>
+						}
+					</div>
+				}
 			</div>
 		</div>
 	</div>
@@ -169,3 +185,15 @@ func formatDuration(start, end time.Time) string {
 		return strconv.Itoa(years) + " years"
 	}
 }
+
+templ SlapVersionBadge(version string) {
+	if version == "rebound" {
+		<span class="inline-block bg-green px-3 py-1 rounded-full text-sm font-semibold text-mantle">
+			Rebound
+		</span>
+	} else if version == "slapshot1" {
+		<span class="inline-block bg-red px-3 py-1 rounded-full text-sm font-semibold text-mantle">
+			Slapshot 1
+		</span>
+	}
+}
--- a/internal/view/seasonsview/edit_form.templ
+++ b/internal/view/seasonsview/edit_form.templ
@@ -4,7 +4,7 @@ import "git.haelnorr.com/h/oslstats/internal/view/datepicker"
 import "git.haelnorr.com/h/oslstats/internal/db"
 import "time"

-templ EditForm(season *db.Season) {
+templ EditForm(season *db.Season, allLeagues []*db.League) {
 	{{
 		// Format dates for display (DD/MM/YYYY)
 		startDateStr := formatDateInput(season.StartDate)
@@ -86,9 +86,20 @@ templ EditForm(season *db.Season) {
 				<div class="flex flex-col sm:flex-row justify-between items-start sm:items-center gap-4">
 					<div>
 						<h1 class="text-4xl font-bold text-text mb-2">Edit { season.Name }</h1>
-						<span class="inline-block bg-blue px-3 py-1 rounded-full text-sm font-semibold text-mantle">
-							{ season.ShortName }
-						</span>
+						<div class="flex items-center gap-2">
+							<span class="inline-block bg-blue px-3 py-1 rounded-full text-sm font-semibold text-mantle">
+								{ season.ShortName }
+							</span>
+							<select
+								id="slap_version"
+								name="slap_version"
+								class="py-1 pl-3 pr-2 rounded-full text-sm bg-base border-2 border-overlay0 focus:border-blue outline-none"
+								required
+							>
+								<option value="rebound" selected?={ season.SlapVersion == "rebound" }>Rebound</option>
+								<option value="slapshot1" selected?={ season.SlapVersion == "slapshot1" }>Slapshot 1</option>
+							</select>
+						</div>
 					</div>
 					<div class="flex gap-2">
 						<button
@@ -158,6 +169,8 @@ templ EditForm(season *db.Season) {
 					</div>
 				</div>
 			</div>
+			<!-- Leagues Section -->
+			@LeaguesSection(season, allLeagues)
 			<!-- General Error Message -->
 			<div
 				class="px-6 pb-6"
--- a/internal/view/seasonsview/edit_page.templ
+++ b/internal/view/seasonsview/edit_page.templ
@@ -3,10 +3,10 @@ package seasonsview
 import "git.haelnorr.com/h/oslstats/internal/view/baseview"
 import "git.haelnorr.com/h/oslstats/internal/db"

-templ EditPage(season *db.Season) {
+templ EditPage(season *db.Season, allLeagues []*db.League) {
 	@baseview.Layout("Edit " + season.Name) {
 		<div class="max-w-screen-2xl mx-auto px-4 py-8">
-			@EditForm(season)
+			@EditForm(season, allLeagues)
 		</div>
 	}
 }
--- a/internal/view/seasonsview/leagues_section.templ
+++ b/internal/view/seasonsview/leagues_section.templ
@@ -0,0 +1,88 @@
+package seasonsview
+
+import "git.haelnorr.com/h/oslstats/internal/db"
+import "git.haelnorr.com/h/oslstats/internal/contexts"
+import "git.haelnorr.com/h/oslstats/internal/permissions"
+
+templ LeaguesSection(season *db.Season, allLeagues []*db.League) {
+	{{
+		permCache := contexts.Permissions(ctx)
+		canAddLeague := permCache.HasPermission(permissions.SeasonsAddLeague)
+		canRemoveLeague := permCache.HasPermission(permissions.SeasonsRemoveLeague)
+		
+		// Create a map of assigned league IDs for quick lookup
+		assignedLeagueIDs := make(map[int]bool)
+		for _, league := range season.Leagues {
+			assignedLeagueIDs[league.ID] = true
+		}
+	}}
+	if canAddLeague || canRemoveLeague {
+		<div
+			id="leagues-section"
+			class="px-6 pb-6"
+		>
+			<div class="bg-surface0 border border-surface1 rounded-lg p-6">
+				<h2 class="text-2xl font-bold text-text mb-4">Leagues</h2>
+				<!-- Currently Assigned Leagues -->
+				if len(season.Leagues) > 0 {
+					<div class="mb-4">
+						<h3 class="text-sm font-medium text-subtext0 mb-2">Currently Assigned</h3>
+						<div class="flex flex-wrap gap-2">
+							for _, league := range season.Leagues {
+								<div class="flex items-center gap-2 bg-mantle border border-surface1 rounded-lg px-3 py-2">
+									<span class="text-sm text-text">{ league.Name }</span>
+									<span class="text-xs text-subtext0 font-mono">({ league.ShortName })</span>
+									if canRemoveLeague {
+										<button
+											type="button"
+											@click={ "window.dispatchEvent(new CustomEvent('confirm-action', { detail: { title: 'Remove League', message: 'Are you sure you want to remove " + league.Name + " from this season?', action: () => htmx.ajax('DELETE', '/seasons/" + season.ShortName + "/leagues/" + league.ShortName + "', { target: '#leagues-section', swap: 'outerHTML' }) } }))" }
+											class="text-red hover:text-red/75 hover:cursor-pointer ml-1"
+										>
+											<svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+												<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"></path>
+											</svg>
+										</button>
+									}
+								</div>
+							}
+						</div>
+					</div>
+				}
+				<!-- Available Leagues to Add -->
+				if canAddLeague && len(allLeagues) > 0 {
+					{{
+						// Filter out already assigned leagues
+						availableLeagues := []*db.League{}
+						for _, league := range allLeagues {
+							if !assignedLeagueIDs[league.ID] {
+								availableLeagues = append(availableLeagues, league)
+							}
+						}
+					}}
+					if len(availableLeagues) > 0 {
+						<div>
+							<h3 class="text-sm font-medium text-subtext0 mb-2">Add League</h3>
+							<div class="flex flex-wrap gap-2">
+								for _, league := range availableLeagues {
+									<button
+										type="button"
+										hx-post={ "/seasons/" + season.ShortName + "/leagues/" + league.ShortName }
+										hx-target="#leagues-section"
+										hx-swap="outerHTML"
+										class="flex items-center gap-2 bg-surface1 hover:bg-surface2 border border-overlay0 rounded-lg px-3 py-2 transition hover:cursor-pointer"
+									>
+										<span class="text-sm text-text">{ league.Name }</span>
+										<span class="text-xs text-subtext0 font-mono">({ league.ShortName })</span>
+										<svg class="w-4 h-4 text-green" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+											<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4v16m8-8H4"></path>
+										</svg>
+									</button>
+								}
+							</div>
+						</div>
+					}
+				}
+			</div>
+		</div>
+	}
+}
--- a/internal/view/seasonsview/list_page.templ
+++ b/internal/view/seasonsview/list_page.templ
@@ -83,7 +83,7 @@ templ SeasonsList(seasons *db.List[db.Season]) {
 				<div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
 					for _, s := range seasons.Items {
 						<a
-							class="bg-mantle border border-surface1 rounded-lg p-6 hover:bg-surface0 transition-colors"
+							class="bg-mantle border border-surface1 rounded-lg p-6 hover:bg-surface0 transition-colors flex flex-col"
 							href={ fmt.Sprintf("/seasons/%s", s.ShortName) }
 						>
 							<!-- Header: Name + Status Badge -->
@@ -91,14 +91,45 @@ templ SeasonsList(seasons *db.List[db.Season]) {
 								<h3 class="text-xl font-bold text-text">{ s.Name }</h3>
 								@StatusBadge(s, true, true)
 							</div>
-							<!-- Info Row: Short Name + Start Date -->
-							<div class="flex items-center gap-3 text-sm">
+							<!-- Info Row: Short Name + Slap Version -->
+							<div class="flex items-center gap-2 text-sm mb-3 flex-wrap">
 								<span class="px-2 py-1 bg-surface1 rounded text-subtext0 font-mono">
 									{ s.ShortName }
 								</span>
-								<span class="text-subtext0">
+								@SlapVersionBadge(s.SlapVersion)
+							</div>
+							<!-- Leagues -->
+							if len(s.Leagues) > 0 {
+								<div class="flex flex-wrap gap-1 mb-2">
+									for _, league := range s.Leagues {
+										<span class="px-2 py-0.5 bg-surface0 border border-surface1 rounded text-xs text-subtext0">
+											{ league.ShortName }
+										</span>
+									}
+								</div>
+							}
+							<!-- Date Info -->
+							{{
+								now := time.Now()
+							}}
+							<div class="text-xs text-subtext1 mt-auto">
+								if now.Before(s.StartDate) {
+									Starts: { formatDate(s.StartDate) }
+								} else if !s.FinalsStartDate.IsZero() {
+									// Finals are scheduled
+									if !s.FinalsEndDate.IsZero() && now.After(s.FinalsEndDate.Time) {
+										Completed: { formatDate(s.FinalsEndDate.Time) }
+									} else if now.After(s.FinalsStartDate.Time) {
+										Finals Started: { formatDate(s.FinalsStartDate.Time) }
+									} else {
+										Finals Start: { formatDate(s.FinalsStartDate.Time) }
+									}
+								} else if !s.EndDate.IsZero() && now.After(s.EndDate.Time) {
+									// No finals scheduled and regular season ended
+									Completed: { formatDate(s.EndDate.Time) }
+								} else {
 									Started: { formatDate(s.StartDate) }
-								</span>
+								}
 							</div>
 						</a>
 					}
--- a/internal/view/seasonsview/new_form.templ
+++ b/internal/view/seasonsview/new_form.templ
@@ -50,22 +50,27 @@ templ NewForm() {
 					},
 					// Check if form can be submitted
 					updateCanSubmit() {
-						this.canSubmit = !this.nameIsEmpty && this.nameIsUnique && !this.nameIsChecking &&
-							!this.shortNameIsEmpty && this.shortNameIsUnique && !this.shortNameIsChecking &&
+						this.canSubmit =
+							!this.nameIsEmpty &&
+							this.nameIsUnique &&
+							!this.nameIsChecking &&
+							!this.shortNameIsEmpty &&
+							this.shortNameIsUnique &&
+							!this.shortNameIsChecking &&
 							!this.dateIsEmpty;
 					},
 					// Handle form submission
 					handleSubmit() {
 						this.isSubmitting = true;
-						this.buttonText = 'Creating...';
-						this.generalError = '';
+						this.buttonText = "Creating...";
+						this.generalError = "";
 						// Set timeout for 10 seconds
 						this.submitTimeout = setTimeout(() => {
 							this.isSubmitting = false;
-							this.buttonText = 'Create Season';
-							this.generalError = 'Request timed out. Please try again.';
+							this.buttonText = "Create Season";
+							this.generalError = "Request timed out. Please try again.";
 						}, 10000);
-					}
+					},
 				};
 			}
 		</script>
@@ -147,6 +152,20 @@ templ NewForm() {
 					x-text="shortNameError"
 				></p>
 			</div>
+			<!-- Slap Version Field -->
+			<div>
+				<label for="slap_version" class="block text-sm font-medium mb-2">Slap Version</label>
+				<select
+					id="slap_version"
+					name="slap_version"
+					class="py-3 px-4 block w-full rounded-lg text-sm bg-base border-2 border-overlay0 focus:border-blue outline-none"
+					required
+				>
+					<option value="rebound" selected>Rebound</option>
+					<option value="slapshot1">Slapshot 1</option>
+				</select>
+				<p class="text-xs text-subtext1 mt-1">Select the game version for this season</p>
+			</div>
 			<!-- Start Date Field -->
 			@datepicker.DatePicker("start_date", "start_date", "Start Date", "DD/MM/YYYY", true, "dateIsEmpty = $el.value === ''; resetDateErr(); if(dateIsEmpty) { dateError='Start date is required'; } updateCanSubmit();")
 			<p
@@ -168,7 +187,7 @@ templ NewForm() {
 				x-text="buttonText"
 				type="submit"
 				class="w-full py-3 px-4 inline-flex justify-center items-center 
-                    gap-x-2 rounded-lg border border-transparent transition text-base font-semibold
+                    gap-x-2 rounded-lg border border-transparent transition font-semibold
                    bg-blue hover:bg-blue/75 text-mantle hover:cursor-pointer
                    disabled:bg-blue/40 disabled:cursor-not-allowed"
 			></button>
--- a/internal/view/seasonsview/status_badge.templ
+++ b/internal/view/seasonsview/status_badge.templ
@@ -12,60 +12,54 @@ templ StatusBadge(season *db.Season, compact bool, useShortLabels bool) {
 	{{
 		now := time.Now()
 		status := ""
-		statusColor := ""
 		statusBg := ""
 		
 		// Determine status based on dates
 		if now.Before(season.StartDate) {
 			status = "Upcoming"
-			statusColor = "text-blue"
-			statusBg = "bg-blue/10 border-blue"
-		} else if !season.EndDate.IsZero() && now.After(season.EndDate.Time) {
-			status = "Completed"
-			statusColor = "text-green"
-			statusBg = "bg-green/10 border-green"
-		} else if !season.FinalsStartDate.IsZero() && now.After(season.FinalsStartDate.Time) {
+			statusBg = "bg-blue"
+		} else if !season.FinalsStartDate.IsZero() {
+			// Finals are scheduled
 			if !season.FinalsEndDate.IsZero() && now.After(season.FinalsEndDate.Time) {
+				// Finals have ended
 				status = "Completed"
-				statusColor = "text-green"
-				statusBg = "bg-green/10 border-green"
-			} else {
+				statusBg = "bg-teal"
+			} else if now.After(season.FinalsStartDate.Time) {
+				// Finals are in progress
 				if useShortLabels {
 					status = "Finals"
 				} else {
 					status = "Finals in Progress"
 				}
-				statusColor = "text-yellow"
-				statusBg = "bg-yellow/10 border-yellow"
+				statusBg = "bg-yellow"
+			} else if !season.EndDate.IsZero() && now.After(season.EndDate.Time) {
+				// Regular season ended, finals upcoming
+				status = "Finals Soon"
+				statusBg = "bg-peach"
+			} else {
+				// Regular season active, finals scheduled for later
+				if useShortLabels {
+					status = "Active"
+				} else {
+					status = "In Progress"
+				}
+				statusBg = "bg-green"
 			}
+		} else if !season.EndDate.IsZero() && now.After(season.EndDate.Time) {
+			// No finals scheduled and regular season ended
+			status = "Completed"
+			statusBg = "bg-teal"
 		} else {
+			// Regular season active, no finals scheduled
 			if useShortLabels {
 				status = "Active"
 			} else {
 				status = "In Progress"
 			}
-			statusColor = "text-green"
-			statusBg = "bg-green/10 border-green"
-		}
-		
-		// Determine size classes
-		var sizeClasses string
-		var textSize string
-		var iconSize string
-		if compact {
-			sizeClasses = "px-2 py-1"
-			textSize = "text-xs"
-			iconSize = "text-sm"
-		} else {
-			sizeClasses = "px-4 py-2"
-			textSize = "text-lg"
-			iconSize = "text-2xl"
+			statusBg = "bg-green"
 		}
 	}}
-	<div class={ "rounded-lg border-2 inline-flex items-center gap-2 " + sizeClasses + " " + statusBg }>
-		if !compact {
-			<span class={ iconSize + " " + statusColor }>●</span>
-		}
-		<span class={ textSize + " font-semibold " + statusColor }>{ status }</span>
-	</div>
+	<span class={ "inline-block px-3 py-1 rounded-full text-sm font-semibold text-mantle " + statusBg }>
+		{ status }
+	</span>
 }