/* ==========================================================================
   Caïssa — design tokens and refinements over MudBlazor
   ========================================================================== */

:root {
    /* Brand */
    --caissa-royal: #1F3B5A;
    --caissa-royal-soft: #22487A;
    /* Accent (formerly amber/gold) — modern deep blue, AAA contrast on white. */
    --caissa-amber: #1D4ED8;
    --caissa-amber-soft: #3B82F6;
    --caissa-accent-bright: #60A5FA;
    --caissa-highlight: #4A9EFF;
    --caissa-teal: #4A9EFF;
    --caissa-ink: #0F1A2E;
    --caissa-paper: #FFFFFF;
    --caissa-surface: #FFFFFF;
    --caissa-elevated: #EDF1F6;
    --caissa-bg: #F5F7FA;
    --caissa-bone: #E8E2D4;
    --caissa-linen: #F5F7FA;
    --caissa-border: #DDE3EB;
    --caissa-text-1: #0F1A2E;
    --caissa-text-2: #5A6678;
    --caissa-text-3: #8893A4;
    --caissa-success: #15803D;
    --caissa-success-soft: rgba(34, 197, 94, 0.18);
    --caissa-error: #B91C1C;
    --caissa-error-soft: rgba(239, 68, 68, 0.18);
    --caissa-warning: #92400E;
    --caissa-warning-soft: rgba(245, 158, 11, 0.20);

    /* Spatial scale */
    --caissa-radius-sm: 6px;
    --caissa-radius-md: 10px;
    --caissa-radius-lg: 16px;
    --caissa-hairline: 1px;

    /* Type */
    --caissa-font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
    --caissa-font-body: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --caissa-font-mono: 'JetBrains Mono', 'Cascadia Code', Consolas, monospace;

    /* Layout */
    --caissa-bottom-nav-height: 64px;
    --caissa-app-bar-height: 60px;
    --caissa-content-max: 1280px;
    --caissa-rail-width: 96px;
}

/* Reset Bootstrap font so MudBlazor + Caissa take over */
html, body {
    font-family: var(--caissa-font-body);
    font-feature-settings: "ss01", "cv11";
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Tabular numerals for ratings, scores, dates */
.caissa-tabular,
.mud-table-cell.caissa-num,
.mud-typography.caissa-num {
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum", "ss01";
}

/* Mono accent for Elo / scores */
.caissa-mono {
    font-family: var(--caissa-font-mono);
    font-variant-numeric: tabular-nums;
}

/* Display heading utility */
.caissa-display {
    font-family: var(--caissa-font-display);
    font-weight: 500;
    letter-spacing: -0.018em;
}

.caissa-eyebrow {
    font-family: var(--caissa-font-body);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--caissa-amber);
}

/* ==========================================================================
   Layout shell — app bar + bottom nav (mobile) + side rail (desktop)
   ========================================================================== */

.caissa-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.caissa-shell-content {
    flex: 1;
    width: 100%;
    max-width: var(--caissa-content-max);
    margin: 0 auto;
    padding: 16px 16px calc(var(--caissa-bottom-nav-height) + 32px) 16px;
    box-sizing: border-box;
}

@media (min-width: 900px) {
    .caissa-shell-content {
        padding: 24px 32px 48px 32px;
    }
}

/* App bar — minimal hairline, sticky */
.caissa-appbar {
    position: sticky;
    top: 0;
    z-index: 1100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: var(--caissa-hairline) solid var(--caissa-border);
    box-shadow: 0 1px 2px rgba(15, 26, 46, 0.04);
}

.mud-theme-dark .caissa-appbar {
    background: rgba(14, 17, 22, 0.78);
    border-bottom-color: rgba(232, 226, 212, 0.08);
    box-shadow: none;
}

.caissa-appbar-title {
    font-family: var(--caissa-font-display);
    font-weight: 600;
    font-size: 1.125rem;
    letter-spacing: -0.01em;
    line-height: 1.1;
    color: var(--caissa-text-1);
}

.caissa-appbar-subtitle {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--caissa-amber);
    line-height: 1.1;
    margin-bottom: 2px;
}

/* Bottom navigation (mobile) */
.caissa-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1100;
    display: flex;
    justify-content: space-around;
    align-items: stretch;
    height: calc(var(--caissa-bottom-nav-height) + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
    background: var(--caissa-surface);
    border-top: var(--caissa-hairline) solid var(--caissa-border);
    box-shadow: 0 -2px 12px rgba(15, 26, 46, 0.06);
}

@media (min-width: 900px) {
    .caissa-bottom-nav {
        display: none;
    }
}

.caissa-bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 8px 4px;
    color: var(--mud-palette-text-secondary);
    text-decoration: none;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: color 0.18s ease, transform 0.18s ease;
    position: relative;
}

.caissa-bottom-nav-item .caissa-bottom-nav-icon {
    font-size: 1.125rem;
    line-height: 1;
    margin-bottom: 2px;
    transition: transform 0.2s ease;
}

.caissa-bottom-nav-item.active {
    color: var(--mud-palette-primary);
}

.caissa-bottom-nav-item.active::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 2px;
    background: var(--caissa-amber);
    border-radius: 0 0 2px 2px;
}

.caissa-bottom-nav-item.active .caissa-bottom-nav-icon {
    transform: translateY(-1px);
}

/* Side rail (desktop) */
.caissa-rail {
    display: none;
}

@media (min-width: 900px) {
    .caissa-rail {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: var(--caissa-rail-width);
        z-index: 1090;
        background: var(--caissa-surface);
        color: var(--caissa-text-2);
        padding: 16px 0;
        gap: 4px;
        border-right: var(--caissa-hairline) solid var(--caissa-border);
    }

    .caissa-shell.caissa-has-rail {
        padding-left: var(--caissa-rail-width);
        box-sizing: border-box;
    }
}

.caissa-rail-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 64px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--caissa-border);
    margin-left: 12px;
    margin-right: 12px;
}

.caissa-rail-brand img {
    width: 36px;
    height: 36px;
}

.caissa-rail-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    height: 60px;
    margin: 0 8px;
    padding: 6px 4px;
    color: var(--caissa-text-2);
    text-decoration: none;
    border-radius: var(--caissa-radius-md);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-align: center;
    white-space: nowrap;
    line-height: 1.1;
    transition: all 0.18s ease;
    position: relative;
}

.caissa-rail-item .caissa-rail-icon {
    font-size: 1.125rem;
}

.caissa-rail-item:hover {
    color: var(--caissa-royal);
    background: rgba(31, 59, 90, 0.06);
}

.caissa-rail-item.active {
    color: var(--caissa-royal);
    background: rgba(31, 59, 90, 0.08);
    font-weight: 700;
}

.caissa-rail-item.active::before {
    content: "";
    position: absolute;
    left: -8px;
    top: 12px;
    bottom: 12px;
    width: 3px;
    background: var(--caissa-amber);
    border-radius: 0 3px 3px 0;
}

.caissa-rail-spacer {
    flex: 1;
}

/* ==========================================================================
   Page header — replaces the legacy Bootstrap PageHeader
   ========================================================================== */

.caissa-page-header {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 20px;
    padding-top: 8px;
}

.caissa-page-header-title {
    font-family: var(--caissa-font-display);
    font-weight: 500;
    font-size: 1.875rem;
    line-height: 1.1;
    letter-spacing: -0.018em;
    color: var(--mud-palette-text-primary);
    margin: 0;
}

@media (min-width: 900px) {
    .caissa-page-header-title {
        font-size: 2.375rem;
    }
}

.caissa-page-header-subtitle {
    color: var(--mud-palette-text-secondary);
    font-size: 0.9375rem;
    margin-top: 2px;
}

.caissa-breadcrumb-chips {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 6px;
    padding-bottom: 4px;
    margin-bottom: 8px;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.caissa-breadcrumb-chips::-webkit-scrollbar {
    display: none;
}

.caissa-breadcrumb-chip {
    flex: 0 0 auto;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--mud-palette-text-secondary);
    text-decoration: none;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--mud-palette-background-gray);
    transition: all 0.15s ease;
    white-space: nowrap;
}

.caissa-breadcrumb-chip:hover {
    color: var(--mud-palette-text-primary);
    background: var(--mud-palette-action-disabled-background);
}

.caissa-breadcrumb-chip.current {
    color: var(--caissa-amber);
    background: rgba(29, 78, 216, 0.10);
}

/* ==========================================================================
   Misc refinements
   ========================================================================== */

/* Remove default focus outline on the body's first heading */
h1:focus { outline: none; }

/* MudBlazor card edge — softer borders */
.mud-paper.caissa-card {
    border: var(--caissa-hairline) solid var(--mud-palette-divider);
    border-radius: var(--caissa-radius-lg);
}

/* Section eyebrow inside cards */
.caissa-section-eyebrow {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--caissa-amber);
    margin-bottom: 4px;
}

/* Tiebreak inline editor row */
.caissa-tiebreak-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px 6px 6px;
    border-radius: var(--caissa-radius-md);
    border: var(--caissa-hairline) solid transparent;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.caissa-tiebreak-row:hover {
    background: var(--mud-palette-table-hover);
}

.caissa-tiebreak-row.is-error {
    border-color: rgba(239, 68, 68, 0.50);
    background: rgba(239, 68, 68, 0.08);
}

.caissa-tiebreak-rank {
    flex: 0 0 auto;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: rgba(29, 78, 216, 0.10);
    color: var(--caissa-amber);
    font-weight: 600;
    font-size: 0.875rem;
}

.caissa-tiebreak-select {
    min-width: 0;
}

/* Subtle grain over dark surfaces (decorative) */
.caissa-grain {
    position: relative;
    isolation: isolate;
}

.caissa-grain::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.035;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
    mix-blend-mode: overlay;
}

/* ==========================================================================
   Auth shell — two-pane on desktop, single column on mobile
   ========================================================================== */

.caissa-auth {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr;
    background: var(--caissa-bg);
    color: var(--caissa-text-1);
}

@media (min-width: 992px) {
    .caissa-auth {
        grid-template-columns: minmax(420px, 1fr) minmax(540px, 1.1fr);
    }
}

.caissa-auth-brand {
    position: relative;
    padding: 32px 24px 28px;
    color: var(--caissa-bone);
    background:
        radial-gradient(80% 60% at 20% 10%, rgba(96, 165, 250, 0.22), transparent 60%),
        radial-gradient(60% 40% at 90% 90%, rgba(74, 158, 255, 0.18), transparent 60%),
        linear-gradient(180deg, #1F3B5A 0%, #142844 100%);
    overflow: hidden;
    isolation: isolate;
}

@media (min-width: 992px) {
    .caissa-auth-brand {
        padding: 56px 56px 48px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        min-height: 100vh;
    }
}

.caissa-auth-brand::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.045;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
    mix-blend-mode: overlay;
    z-index: 0;
}

.caissa-auth-brand > * {
    position: relative;
    z-index: 1;
}

.caissa-auth-brand-eyebrow {
    font-family: var(--caissa-font-body);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--caissa-amber);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.caissa-auth-brand-eyebrow::before {
    content: "";
    width: 24px;
    height: 1px;
    background: var(--caissa-amber);
    opacity: 0.6;
}

.caissa-auth-brand-title {
    font-family: var(--caissa-font-display);
    font-weight: 500;
    font-size: 2.5rem;
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--caissa-bone);
    margin: 0 0 16px;
    max-width: 520px;
}

@media (min-width: 992px) {
    .caissa-auth-brand-title {
        font-size: 3.25rem;
    }
}

.caissa-auth-brand-tagline {
    font-family: var(--caissa-font-body);
    font-size: 1rem;
    line-height: 1.55;
    color: rgba(232, 226, 212, 0.72);
    max-width: 520px;
    margin: 0;
}

.caissa-auth-brand-piece {
    position: absolute;
    right: -40px;
    bottom: -60px;
    font-size: 22rem;
    color: rgba(96, 165, 250, 0.12);
    line-height: 1;
    pointer-events: none;
    transform: rotate(-12deg);
    z-index: 0;
}

@media (max-width: 991.98px) {
    .caissa-auth-brand-piece {
        display: none;
    }
}

.caissa-auth-brand-footer {
    margin-top: 24px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(232, 226, 212, 0.42);
    display: flex;
    align-items: center;
    gap: 12px;
}

.caissa-auth-brand-footer::before {
    content: "";
    width: 16px;
    height: 1px;
    background: rgba(232, 226, 212, 0.3);
}

@media (max-width: 991.98px) {
    .caissa-auth-brand-footer {
        margin-top: 20px;
    }
}

/* Right pane: form */
.caissa-auth-form-pane {
    background: var(--caissa-surface);
    color: var(--caissa-text-1);
    padding: 32px 20px 64px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

@media (min-width: 992px) {
    .caissa-auth-form-pane {
        padding: 64px 56px;
        align-items: center;
        min-height: 100vh;
    }
}

.caissa-auth-form {
    width: 100%;
    max-width: 440px;
}

.caissa-auth-form-header {
    margin-bottom: 28px;
}

.caissa-auth-form-title {
    font-family: var(--caissa-font-display);
    font-weight: 600;
    font-size: 1.875rem;
    letter-spacing: -0.018em;
    line-height: 1.1;
    color: var(--caissa-text-1);
    margin: 0 0 6px;
}

.caissa-auth-form-subtitle {
    color: var(--caissa-text-2);
    font-size: 0.9375rem;
    margin: 0;
}

/* OAuth buttons — refined, no Bootstrap blue */
.caissa-oauth-stack {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.caissa-oauth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 11px 16px;
    border-radius: var(--caissa-radius-md);
    font-family: var(--caissa-font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    border: 1px solid var(--caissa-border);
    background: var(--caissa-surface);
    color: var(--caissa-text-1);
    width: 100%;
}

.caissa-oauth-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    border-color: var(--caissa-royal);
    background: rgba(31, 59, 90, 0.03);
}

.caissa-oauth-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.caissa-oauth-google i {
    color: #4285F4;
}

.caissa-oauth-microsoft i {
    color: #2EA1F8;
}

/* Divider with text */
.caissa-or-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 18px 0 18px;
    color: var(--caissa-text-3);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.caissa-or-divider::before,
.caissa-or-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--caissa-border);
}

.caissa-auth-foot {
    margin-top: 24px;
    text-align: center;
    font-size: 0.875rem;
    color: var(--caissa-text-2);
}

.caissa-auth-foot a {
    color: var(--caissa-royal);
    text-decoration: none;
    font-weight: 600;
}

.caissa-auth-foot a:hover {
    color: var(--caissa-royal-soft);
    text-decoration: underline;
}

.caissa-auth-link {
    display: inline-block;
    color: var(--caissa-royal);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    margin-top: 8px;
}

.caissa-auth-link:hover {
    color: var(--caissa-royal-soft);
    text-decoration: underline;
}

/* ==========================================================================
   Landing (Jumbotron) — sophisticated dark hero
   ========================================================================== */

.caissa-landing {
    min-height: 100vh;
    background: var(--caissa-bg);
    color: var(--caissa-text-1);
}

.caissa-landing-hero {
    position: relative;
    padding: 64px 20px 96px;
    overflow: hidden;
    isolation: isolate;
    background:
        radial-gradient(70% 50% at 20% 0%, rgba(29, 78, 216, 0.10), transparent 70%),
        radial-gradient(60% 40% at 100% 100%, rgba(74, 158, 255, 0.10), transparent 70%);
}

@media (min-width: 768px) {
    .caissa-landing-hero {
        padding: 96px 32px 120px;
    }
}

.caissa-landing-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.04;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
    z-index: 0;
}

.caissa-landing-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 880px;
    margin: 0 auto;
    text-align: center;
}

.caissa-landing-eyebrow {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--caissa-amber);
    margin-bottom: 20px;
}

.caissa-landing-title {
    font-family: var(--caissa-font-display);
    font-weight: 600;
    font-size: 2.5rem;
    line-height: 1.05;
    letter-spacing: -0.022em;
    color: var(--caissa-text-1);
    margin: 0 0 20px;
}

@media (min-width: 768px) {
    .caissa-landing-title {
        font-size: 4rem;
    }
}

.caissa-landing-subtitle {
    font-size: 1.0625rem;
    line-height: 1.6;
    color: var(--caissa-text-2);
    max-width: 620px;
    margin: 0 auto 32px;
}

@media (min-width: 768px) {
    .caissa-landing-subtitle {
        font-size: 1.1875rem;
    }
}

.caissa-landing-cta {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.caissa-landing-features {
    background: var(--caissa-surface);
    padding: 56px 20px;
    border-top: 1px solid var(--caissa-border);
}

@media (min-width: 768px) {
    .caissa-landing-features {
        padding: 80px 32px;
    }
}

.caissa-landing-features-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.caissa-feature {
    padding: 28px;
    border-radius: var(--caissa-radius-lg);
    background: var(--caissa-elevated);
    border: 1px solid var(--caissa-border);
    height: 100%;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.caissa-feature:hover {
    transform: translateY(-3px);
    border-color: rgba(29, 78, 216, 0.32);
}

.caissa-feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--caissa-amber);
    background: rgba(29, 78, 216, 0.10);
    font-size: 1.125rem;
    margin-bottom: 16px;
}

.caissa-feature-title {
    font-family: var(--caissa-font-body);
    font-weight: 600;
    font-size: 1rem;
    color: var(--caissa-text-1);
    margin: 0 0 8px;
}

.caissa-feature-desc {
    font-size: 0.875rem;
    line-height: 1.55;
    color: var(--caissa-text-2);
    margin: 0;
}

/* Royal blue brand pane as final CTA — adds brand pop on light landing */
.caissa-landing-cta-end {
    background: linear-gradient(180deg, #1F3B5A 0%, #142844 100%);
    padding: 64px 20px;
    text-align: center;
    color: var(--caissa-bone);
}

.caissa-landing-cta-end h2 {
    font-family: var(--caissa-font-display);
    font-weight: 600;
    font-size: 1.875rem;
    letter-spacing: -0.018em;
    color: var(--caissa-bone);
    margin: 0 0 8px;
}

@media (min-width: 768px) {
    .caissa-landing-cta-end h2 {
        font-size: 2.5rem;
    }
}

.caissa-landing-cta-end p {
    color: rgba(232, 226, 212, 0.72);
    margin-bottom: 24px;
}

/* ==========================================================================
   Dashboard — distinctive stat cards + actions
   ========================================================================== */

.caissa-stat-card {
    padding: 24px;
    border-radius: var(--caissa-radius-lg);
    border: 1px solid var(--mud-palette-divider);
    background: var(--mud-palette-surface);
    transition: border-color 0.18s ease, transform 0.18s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.caissa-stat-card:hover {
    transform: translateY(-2px);
    border-color: rgba(29, 78, 216, 0.40);
}

.caissa-stat-card-eyebrow {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--mud-palette-text-secondary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.caissa-stat-card-eyebrow i {
    color: var(--caissa-amber);
}

.caissa-stat-card-value {
    font-family: var(--caissa-font-display);
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
    font-weight: 500;
    font-size: 3rem;
    line-height: 1;
    color: var(--mud-palette-text-primary);
    letter-spacing: -0.02em;
}

.caissa-stat-card-arrow {
    position: absolute;
    right: 18px;
    bottom: 18px;
    color: var(--mud-palette-text-secondary);
    opacity: 0.4;
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.caissa-stat-card:hover .caissa-stat-card-arrow {
    opacity: 1;
    color: var(--caissa-amber);
    transform: translateX(2px);
}

.caissa-quick-action {
    padding: 16px 20px;
    border-radius: var(--caissa-radius-md);
    border: 1px dashed rgba(29, 78, 216, 0.32);
    background: rgba(29, 78, 216, 0.04);
    color: var(--caissa-amber);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.15s ease;
    font-weight: 600;
    font-size: 0.9375rem;
}

.caissa-quick-action:hover {
    background: rgba(29, 78, 216, 0.10);
    border-style: solid;
    color: var(--caissa-amber);
    transform: translateX(2px);
}

/* ==========================================================================
   List item cards (tournaments, players, etc.)
   ========================================================================== */

.caissa-list-stack {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.caissa-list-card {
    display: block;
    padding: 16px;
    border-radius: var(--caissa-radius-md);
    background: var(--mud-palette-surface);
    border: 1px solid var(--mud-palette-divider);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
    -webkit-tap-highlight-color: transparent;
}

.caissa-list-card:hover,
.caissa-list-card:focus-visible {
    border-color: rgba(29, 78, 216, 0.40);
    transform: translateY(-1px);
    color: inherit;
    text-decoration: none;
}

.caissa-list-card:active {
    transform: translateY(0);
}

.caissa-list-card-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.caissa-list-card-title {
    font-family: var(--caissa-font-display);
    font-weight: 500;
    font-size: 1.0625rem;
    line-height: 1.2;
    letter-spacing: -0.008em;
    color: var(--mud-palette-text-primary);
    margin: 0 0 2px;
}

.caissa-list-card-subtitle {
    font-size: 0.8125rem;
    color: var(--mud-palette-text-secondary);
    line-height: 1.35;
}

.caissa-list-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 10px;
    color: var(--mud-palette-text-secondary);
    font-size: 0.8125rem;
}

.caissa-list-card-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.caissa-list-card-meta i {
    color: var(--caissa-amber);
    font-size: 0.875em;
    opacity: 0.7;
}

/* Empty state */
.caissa-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 48px 24px;
    border-radius: var(--caissa-radius-lg);
    border: 1px dashed var(--mud-palette-divider);
    background: var(--mud-palette-background-gray);
}

.caissa-empty-state-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(29, 78, 216, 0.10);
    color: var(--caissa-amber);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.caissa-empty-state-text {
    color: var(--mud-palette-text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 16px;
    max-width: 320px;
}

/* Status chip — semantic, replaces Bootstrap badges */
.caissa-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border: 1px solid transparent;
    flex-shrink: 0;
}

.caissa-status::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.caissa-status-upcoming {
    color: #1E40AF;
    background: rgba(96, 165, 250, 0.14);
    border-color: rgba(96, 165, 250, 0.40);
}

.caissa-status-ongoing {
    color: var(--caissa-amber);
    background: rgba(29, 78, 216, 0.12);
    border-color: rgba(29, 78, 216, 0.32);
}

.caissa-status-completed {
    color: #15803D;
    background: rgba(34, 197, 94, 0.14);
    border-color: rgba(34, 197, 94, 0.38);
}

.caissa-status-cancelled {
    color: #B91C1C;
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.38);
}

/* Info card pair — used in detail pages */
.caissa-info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

@media (min-width: 600px) {
    .caissa-info-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.caissa-info-row {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 10px 12px;
    border-left: 2px solid rgba(29, 78, 216, 0.32);
    background: rgba(29, 78, 216, 0.02);
    border-radius: 0 var(--caissa-radius-sm) var(--caissa-radius-sm) 0;
}

.caissa-info-label {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--mud-palette-text-secondary);
}

.caissa-info-value {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--mud-palette-text-primary);
}

/* Tournament detail nav-cards */
.caissa-nav-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 18px;
    border-radius: var(--caissa-radius-md);
    border: 1px solid var(--mud-palette-divider);
    background: var(--mud-palette-surface);
    color: inherit;
    text-decoration: none;
    cursor: pointer;
    transition: border-color 0.15s ease, transform 0.15s ease;
    height: 100%;
}

.caissa-nav-card:hover {
    border-color: rgba(29, 78, 216, 0.4);
    transform: translateY(-2px);
    color: inherit;
}

.caissa-nav-card-icon {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: rgba(29, 78, 216, 0.10);
    color: var(--caissa-amber);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
}

.caissa-nav-card-title {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--mud-palette-text-primary);
    margin: 0;
}

.caissa-nav-card-meta {
    font-size: 0.75rem;
    color: var(--mud-palette-text-secondary);
    margin-top: 2px;
}

/* Score pill (W/D/L slash style) */
.caissa-stat-pill {
    padding: 14px 18px;
    border-radius: var(--caissa-radius-md);
    border: 1px solid var(--mud-palette-divider);
    background: var(--mud-palette-surface);
    text-align: center;
}

.caissa-stat-pill-label {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--mud-palette-text-secondary);
    margin-bottom: 4px;
}

.caissa-stat-pill-value {
    font-family: var(--caissa-font-display);
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
    font-weight: 500;
    font-size: 1.625rem;
    line-height: 1;
    color: var(--mud-palette-text-primary);
}

.caissa-stat-pill-delta {
    font-family: var(--caissa-font-mono);
    font-size: 0.75rem;
    margin-left: 6px;
}

.caissa-delta-up { color: #15803D; }
.caissa-delta-down { color: #B91C1C; }

/* W / D / L compound display */
.caissa-wdl {
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
    font-family: var(--caissa-font-mono);
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
}

.caissa-wdl-w { color: #15803D; font-weight: 700; }
.caissa-wdl-d { color: #92400E; font-weight: 700; }
.caissa-wdl-l { color: #B91C1C; font-weight: 700; }
.caissa-wdl-sep { color: var(--mud-palette-text-secondary); opacity: 0.5; }

/* Game color square (round + side indicator) */
.caissa-color-square {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.8125rem;
    border: 1px solid transparent;
    color: var(--caissa-bone);
}

.caissa-color-white {
    background: var(--caissa-bone);
    color: var(--caissa-ink);
    border-color: rgba(0,0,0,0.08);
}

.caissa-color-black {
    background: #1A1812;
    color: var(--caissa-bone);
}

.caissa-color-bye {
    background: rgba(29, 78, 216, 0.18);
    color: var(--caissa-amber);
    border: 1px dashed rgba(29, 78, 216, 0.5);
}

.caissa-result-win {
    background: rgba(34, 197, 94, 0.20);
    color: #14532D;
    border-color: rgba(21, 128, 61, 0.45);
}

.caissa-result-draw {
    background: rgba(245, 158, 11, 0.22);
    color: #78350F;
    border-color: rgba(146, 64, 14, 0.45);
}

.caissa-result-loss {
    background: rgba(239, 68, 68, 0.20);
    color: #7F1D1D;
    border-color: rgba(185, 28, 28, 0.45);
}

.caissa-result-noresult {
    background: var(--caissa-elevated);
    color: var(--mud-palette-text-secondary);
}

/* Sort toggle bar */
.caissa-sort-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.caissa-sort-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--mud-palette-text-secondary);
    margin-right: 4px;
}

.caissa-sort-chip {
    background: transparent;
    border: 1px solid var(--mud-palette-divider);
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--mud-palette-text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
}

.caissa-sort-chip:hover {
    color: var(--mud-palette-text-primary);
}

.caissa-sort-chip.active {
    background: rgba(29, 78, 216, 0.10);
    color: var(--caissa-amber);
    border-color: rgba(29, 78, 216, 0.45);
}

/* ==========================================================================
   Round + Pairing cards (Phase 5)
   ========================================================================== */

.caissa-round-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border-radius: var(--caissa-radius-md);
    border: 1px solid var(--mud-palette-divider);
    background: var(--mud-palette-surface);
    cursor: pointer;
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.caissa-round-card:hover {
    border-color: rgba(29, 78, 216, 0.4);
    transform: translateY(-1px);
}

.caissa-round-number {
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    border-radius: var(--caissa-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--caissa-font-display);
    font-weight: 500;
    font-size: 1.25rem;
    background: var(--caissa-ink);
    color: var(--caissa-bone);
    border: 1px solid rgba(96, 165, 250, 0.40);
}

.caissa-round-card-body {
    min-width: 0;
    flex: 1 1 auto;
}

.caissa-round-card-date {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--mud-palette-text-primary);
}

.caissa-round-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 4px;
    color: var(--mud-palette-text-secondary);
    font-size: 0.8125rem;
}

/* Pairing card — two-player face-off */
.caissa-pairing {
    display: grid;
    grid-template-columns: auto 1fr auto 1fr;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: var(--caissa-radius-md);
    border: 1px solid var(--mud-palette-divider);
    background: var(--mud-palette-surface);
    cursor: pointer;
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.caissa-pairing:hover {
    border-color: rgba(29, 78, 216, 0.4);
    transform: translateY(-1px);
}

.caissa-pairing--static {
    cursor: default;
}

.caissa-pairing--static:hover {
    border-color: var(--mud-palette-divider);
    transform: none;
}

@media (max-width: 600px) {
    .caissa-pairing {
        grid-template-columns: auto 1fr auto;
        grid-row-gap: 8px;
    }

    .caissa-pairing > .caissa-pairing-vs {
        grid-column: 1 / -1;
        text-align: center;
    }

    .caissa-pairing > .caissa-pairing-black {
        grid-column: 1 / -1;
        display: flex;
        flex-direction: row-reverse;
        gap: 10px;
    }

    .caissa-pairing > .caissa-pairing-black .caissa-pairing-side {
        text-align: left;
    }
}

.caissa-pairing-board {
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--caissa-font-mono);
    font-weight: 600;
    font-size: 0.875rem;
}

.caissa-pairing-side {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.caissa-pairing-black {
    flex-direction: row-reverse;
    text-align: right;
}

.caissa-pairing-side .caissa-pairing-name {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--mud-palette-text-primary);
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.caissa-pairing-side .caissa-pairing-meta {
    font-size: 0.75rem;
    color: var(--mud-palette-text-secondary);
    line-height: 1.3;
}

.caissa-pairing-meta .caissa-mono {
    color: var(--mud-palette-text-primary);
}

.caissa-pairing-vs {
    font-family: var(--caissa-font-display);
    font-weight: 500;
    font-size: 0.75rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--caissa-amber);
    padding: 0 6px;
}

.caissa-delta {
    font-family: var(--caissa-font-mono);
    font-size: 0.6875rem;
    font-weight: 600;
}

/* Result picker — board + buttons */
.caissa-result-picker {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.caissa-result-faces {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 16px;
    padding: 12px 0;
}

.caissa-result-face {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
    padding: 12px;
    border-radius: var(--caissa-radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.caissa-result-face:hover {
    border-color: rgba(29, 78, 216, 0.32);
    background: rgba(29, 78, 216, 0.04);
}

.caissa-result-face.is-winner {
    border-color: rgba(34, 197, 94, 0.50);
    background: rgba(34, 197, 94, 0.12);
}

.caissa-result-face .caissa-pairing-name {
    font-family: var(--caissa-font-body);
    font-weight: 600;
    font-size: 1rem;
}

.caissa-result-face .caissa-pairing-meta {
    font-size: 0.75rem;
    color: var(--mud-palette-text-secondary);
}

.caissa-result-vs {
    font-family: var(--caissa-font-display);
    font-weight: 500;
    font-size: 1.125rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--caissa-amber);
}

.caissa-result-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.caissa-result-btn {
    background: transparent;
    border: 1px solid var(--mud-palette-divider);
    color: var(--mud-palette-text-primary);
    padding: 12px 8px;
    border-radius: var(--caissa-radius-md);
    font-family: var(--caissa-font-mono);
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: all 0.15s ease;
}

.caissa-result-btn:hover {
    border-color: rgba(29, 78, 216, 0.5);
    color: var(--caissa-amber);
}

.caissa-result-btn.is-active {
    background: rgba(29, 78, 216, 0.10);
    border-color: var(--caissa-amber);
    color: var(--caissa-amber);
}

.caissa-result-btn.is-active.caissa-result-btn-win-w,
.caissa-result-btn.is-active.caissa-result-btn-win-b {
    background: rgba(34, 197, 94, 0.14);
    border-color: rgba(21, 128, 61, 0.65);
    color: #15803D;
}

.caissa-result-btn-extra {
    grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 600px) {
    .caissa-result-btn-extra {
        grid-template-columns: repeat(4, 1fr);
    }
}

.caissa-result-divider {
    text-align: center;
    margin-top: 8px;
}

.caissa-result-divider button {
    background: transparent;
    border: 0;
    color: var(--mud-palette-text-secondary);
    font-size: 0.8125rem;
    cursor: pointer;
}

.caissa-result-divider button:hover {
    color: var(--caissa-amber);
}

/* Tiebreaks list (informational) */
.caissa-tiebreak-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.caissa-tiebreak-info-row {
    display: flex;
    align-items: baseline;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--caissa-radius-sm);
    background: rgba(29, 78, 216, 0.04);
    border-left: 2px solid rgba(29, 78, 216, 0.32);
}

.caissa-tiebreak-info-rank {
    font-family: var(--caissa-font-mono);
    font-weight: 600;
    color: var(--caissa-amber);
    flex-shrink: 0;
    width: 24px;
    text-align: right;
}

.caissa-tiebreak-info-content {
    min-width: 0;
    flex: 1;
}

.caissa-tiebreak-info-name {
    font-weight: 600;
    color: var(--mud-palette-text-primary);
    font-size: 0.9375rem;
}

.caissa-tiebreak-info-name small {
    color: var(--mud-palette-text-secondary);
    font-weight: 500;
    margin-left: 6px;
}

.caissa-tiebreak-info-desc {
    font-size: 0.8125rem;
    color: var(--mud-palette-text-secondary);
    margin-top: 2px;
}

/* Standings table — emphasizes top 3 */
.caissa-standings .mud-table-row td:first-child {
    font-family: var(--caissa-font-mono);
    font-weight: 600;
    color: var(--mud-palette-text-secondary);
}

.caissa-standings-podium-1 td:first-child { color: #D4AF37; }
.caissa-standings-podium-2 td:first-child { color: #C0C0C0; }
.caissa-standings-podium-3 td:first-child { color: #CD7F32; }

/* iOS safe area for app bar */
@supports (-webkit-touch-callout: none) {
    .caissa-appbar {
        padding-top: env(safe-area-inset-top);
    }
}

/* Hide legacy Blazor error UI background variant — keep restraint */
#blazor-error-ui {
    background: var(--caissa-ink);
    color: var(--caissa-bone);
    border-top: 2px solid var(--caissa-amber);
}

/* Keep a subtle ring on focus for keyboard users */
:focus-visible {
    outline: 2px solid var(--caissa-amber);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ==========================================================================
   MudBlazor input refinements + Blazored.Modal contrast
   ========================================================================== */

/* Ensure outlined inputs have visible borders on light surfaces */
.mud-input-outlined .mud-input-outlined-border {
    border-color: var(--caissa-border);
}

.mud-input-outlined:hover:not(.mud-disabled) .mud-input-outlined-border {
    border-color: var(--caissa-text-2);
}

.mud-input-outlined.mud-input-focused .mud-input-outlined-border,
.mud-input-outlined .mud-input-outlined-border.mud-input-error {
    border-width: 1.5px;
}

/* Labels: stronger contrast for default + animated states */
.mud-input-label,
.mud-input-label-animated {
    color: var(--caissa-text-2);
}

.mud-input-label.mud-shrink,
.mud-input-label-animated.mud-shrink,
.mud-input-control.mud-input-focused .mud-input-label {
    color: var(--caissa-royal);
    font-weight: 600;
}

/* Input value text */
.mud-input-slot input,
.mud-input-slot textarea,
.mud-input-input-control input {
    color: var(--caissa-text-1);
}

.mud-input-slot input::placeholder,
.mud-input-slot textarea::placeholder {
    color: var(--caissa-text-3);
    opacity: 1;
}

.mud-input-helper-text {
    color: var(--caissa-text-2);
}

/* Date picker / select input adornment icons */
.mud-input-adornment .mud-icon-root {
    color: var(--caissa-text-2);
}

.mud-input-control.mud-input-focused .mud-input-adornment .mud-icon-root {
    color: var(--caissa-royal);
}

/* Switches and checkboxes — muted track on light bg */
.mud-switch-track {
    background-color: var(--caissa-border);
    opacity: 0.8;
}

/* Blazored.Modal: ensure light surface and crisp borders */
.blazored-modal,
.bm-modal-content,
.modal-content {
    background-color: var(--caissa-surface);
    color: var(--caissa-text-1);
    border: 1px solid var(--caissa-border);
    border-radius: var(--caissa-radius-lg);
    box-shadow: 0 24px 48px rgba(15, 26, 46, 0.16),
                0 8px 16px rgba(15, 26, 46, 0.08);
}

.blazored-modal-header,
.bm-modal-header,
.modal-header {
    color: var(--caissa-text-1);
    border-bottom: 1px solid var(--caissa-border);
}

.blazored-modal-footer,
.bm-modal-footer,
.modal-footer {
    border-top: 1px solid var(--caissa-border);
}

.blazored-modal-title,
.bm-modal-title,
.modal-title {
    font-family: var(--caissa-font-display);
    font-weight: 600;
    color: var(--caissa-text-1);
}

/* MudDialog (used by some pages) — same treatment */
.mud-dialog {
    background-color: var(--caissa-surface);
    color: var(--caissa-text-1);
}

.mud-dialog-title {
    color: var(--caissa-text-1);
    font-family: var(--caissa-font-display);
    font-weight: 600;
}

/* Modal body labels — defensive override in case modals scope styles */
.blazored-modal .mud-input-label,
.bm-modal-content .mud-input-label,
.modal-content .mud-input-label {
    color: var(--caissa-text-2);
}

.blazored-modal .mud-input-slot input,
.bm-modal-content .mud-input-slot input,
.modal-content .mud-input-slot input {
    color: var(--caissa-text-1);
}