:root {
    --asp-green: #28a745;
    --asp-green-dark: #1e7e34;
    --asp-orange: #fd7e14;
    --asp-orange-dark: #e8590c;
    --asp-black: #1a1a2e;
    --asp-dark: #16213e;
    --asp-gray: #2d2d44;
    --asp-light: #f8f9fa;
    --asp-white: #ffffff;
    --asp-text: #e0e0e0;
    --asp-text-muted: #a0a0a0;
    --asp-border: rgba(255,255,255,0.1);
    --asp-surface: rgba(255,255,255,0.05);
    --asp-surface-hover: rgba(255,255,255,0.1);
    --asp-card-bg: #1e1e30;
    --asp-card-border: rgba(255,255,255,0.08);
    --asp-gradient: linear-gradient(135deg, var(--asp-green) 0%, var(--asp-orange) 100%);
}

[data-bs-theme="light"] {
    --asp-text: #212529;
    --asp-text-muted: #6c757d;
    --asp-border: rgba(0,0,0,0.1);
    --asp-surface: rgba(0,0,0,0.03);
    --asp-surface-hover: rgba(0,0,0,0.06);
    --asp-card-bg: #ffffff;
    --asp-card-border: rgba(0,0,0,0.1);
}

body {
    margin: 0;
    font-family: "Public Sans", sans-serif;
    color: var(--asp-text);
    background: var(--asp-black);
    min-height: 100vh;
}

[data-bs-theme="light"] body {
    background: #f0f2f5;
}

a {
    color: var(--asp-green);
    text-decoration: none;
}

a:hover {
    color: var(--asp-orange);
}

.asp-nav {
    background: var(--asp-dark);
    border-bottom: 1px solid var(--asp-border);
    backdrop-filter: blur(12px);
}

[data-bs-theme="light"] .asp-nav {
    background: rgba(255,255,255,0.95);
}

.navbar-nav {
    align-items: center;
}

.navbar-nav .nav-item {
    display: flex;
    align-items: center;
}

.navbar-brand {
    font-weight: 800;
    letter-spacing: -0.03em;
    background: var(--asp-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    color: var(--asp-text-muted) !important;
    font-weight: 600;
    display: flex;
    align-items: center;
}

.nav-link.active,
.nav-link:hover {
    color: var(--asp-green) !important;
}

.btn-accent {
    background: var(--asp-gradient);
    border: none;
    color: white;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
}

#themeToggle {
    padding: 0.25rem 0.5rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-accent:hover {
    opacity: 0.9;
    color: white;
}

.btn-primary {
    background: var(--asp-green);
    border-color: var(--asp-green);
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--asp-green-dark);
    border-color: var(--asp-green-dark);
}

.btn-warning {
    background: var(--asp-orange);
    border-color: var(--asp-orange);
    color: white;
}

.btn-warning:hover {
    background: var(--asp-orange-dark);
    border-color: var(--asp-orange-dark);
    color: white;
}

.hero-panel,
.surface-card {
    border-radius: 24px;
    border: 1px solid var(--asp-card-border);
    background: var(--asp-card-bg);
    box-shadow: 0 24px 60px rgba(0,0,0,0.3);
}

.hero-panel {
    padding: 2rem;
    background: var(--asp-gradient);
    color: white;
}

.hero-panel .eyebrow {
    background: rgba(255,255,255,0.2);
    color: white;
}

.hero-panel h1,
.hero-panel p {
    color: white;
}

.eyebrow {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: rgba(40,167,69,0.15);
    color: var(--asp-green);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.text-secondary {
    color: var(--asp-text-muted) !important;
}

.info-card,
.starter-note {
    height: 100%;
    padding: 1rem 1.1rem;
    border-radius: 18px;
    border: 1px solid var(--asp-card-border);
    background: var(--asp-surface);
}

.game-card {
    border-radius: 18px;
    border: 2px solid var(--asp-card-border);
    background: var(--asp-card-bg);
    padding: 1.5rem;
    transition: all 0.3s ease;
    text-align: center;
    height: 100%;
}

.game-card:hover {
    border-color: var(--asp-green);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(40,167,69,0.2);
}

.game-card .game-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.game-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.game-card p {
    color: var(--asp-text-muted);
    font-size: 0.9rem;
}

.score-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 999px;
    background: var(--asp-gradient);
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
}

.leaderboard-row {
    padding: 0.75rem 1rem;
    border-radius: 12px;
    margin-bottom: 0.5rem;
    background: var(--asp-surface);
    border: 1px solid var(--asp-card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.leaderboard-row:hover {
    background: var(--asp-surface-hover);
}

.rank-badge {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.rank-1 {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #1a1a2e;
}

.rank-2 {
    background: linear-gradient(135deg, #C0C0C0, #A0A0A0);
    color: #1a1a2e;
}

.rank-3 {
    background: linear-gradient(135deg, #CD7F32, #B87333);
    color: white;
}

.rank-other {
    background: var(--asp-surface);
    color: var(--asp-text);
    border: 1px solid var(--asp-card-border);
}

.auth-card {
    max-width: 440px;
    margin: 0 auto;
    padding: 2rem;
    border-radius: 24px;
    background: var(--asp-card-bg);
    border: 1px solid var(--asp-card-border);
    box-shadow: 0 24px 60px rgba(0,0,0,0.3);
}

.auth-card h1 {
    text-align: center;
    margin-bottom: 1.5rem;
}

.form-control,
.form-select {
    background: var(--asp-surface);
    border: 1px solid var(--asp-card-border);
    color: var(--asp-text);
    border-radius: 12px;
}

.form-control:focus,
.form-select:focus {
    background: var(--asp-surface-hover);
    border-color: var(--asp-green);
    color: var(--asp-text);
    box-shadow: 0 0 0 0.2rem rgba(40,167,69,0.25);
}

.table {
    color: var(--asp-text);
}

.table > :not(caption) > * > * {
    background-color: transparent;
    color: var(--asp-text);
    border-bottom-color: var(--asp-border);
}

.table-hover > tbody > tr:hover > * {
    background-color: var(--asp-surface-hover);
    color: var(--asp-text);
}

.game-container {
    border-radius: 24px;
    border: 2px solid var(--asp-green);
    background: var(--asp-card-bg);
    overflow: hidden;
}

.game-header {
    padding: 1rem 1.5rem;
    background: var(--asp-gradient);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.game-canvas {
    width: 100%;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    font-size: 1.5rem;
    color: var(--asp-text-muted);
}

.game-canvas canvas {
    border: 2px solid rgba(255, 255, 255, 0.2);
}

[data-bs-theme="light"] .game-canvas canvas {
    border-color: rgba(0, 0, 0, 0.15);
}

.game-controls {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--asp-card-border);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.alert-success {
    background: rgba(40,167,69,0.15);
    border-color: var(--asp-green);
    color: var(--asp-green);
}

.alert-danger {
    background: rgba(220,53,69,0.15);
    border-color: #dc3545;
    color: #dc3545;
}

.alert-warning {
    background: rgba(253,126,20,0.15);
    border-color: var(--asp-orange);
    color: var(--asp-orange);
}

.modal-content {
    background: var(--asp-card-bg);
    border: 1px solid var(--asp-card-border);
    color: var(--asp-text);
}

.modal-header {
    border-bottom-color: var(--asp-card-border);
}

.modal-footer {
    border-top-color: var(--asp-card-border);
}

.badge {
    font-weight: 600;
}

.badge-success {
    background: var(--asp-green);
}

.badge-warning {
    background: var(--asp-orange);
}

footer {
    background: var(--asp-dark);
}

[data-bs-theme="light"] footer {
    background: #ffffff;
}

[data-bs-theme="light"] .btn-outline-light {
    color: #212529;
    border-color: #dee2e6;
}

[data-bs-theme="light"] .btn-outline-light:hover {
    background-color: #f8f9fa;
    color: #212529;
    border-color: #dee2e6;
}

[data-bs-theme="light"] .btn-outline-secondary {
    color: #212529;
    border-color: #dee2e6;
}

[data-bs-theme="light"] .btn-outline-secondary:hover {
    background-color: #e9ecef;
    color: #212529;
}

[data-bs-theme="light"] .hero-panel {
    box-shadow: 0 24px 60px rgba(0,0,0,0.1);
}

[data-bs-theme="light"] .surface-card,
[data-bs-theme="light"] .auth-card,
[data-bs-theme="light"] .game-container {
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
}

[data-bs-theme="light"] .game-card {
    background: #ffffff;
}

[data-bs-theme="light"] .game-card p {
    color: #6c757d;
}

[data-bs-theme="light"] .game-controls {
    background: #f8f9fa;
}

[data-bs-theme="light"] .leaderboard-row {
    background: #f8f9fa;
}

[data-bs-theme="light"] .rank-other {
    background: #f8f9fa;
    color: #212529;
}

[data-bs-theme="light"] .form-control,
[data-bs-theme="light"] .form-select {
    background: #ffffff;
    border-color: #dee2e6;
    color: #212529;
}

[data-bs-theme="light"] .form-control:focus,
[data-bs-theme="light"] .form-select:focus {
    background: #ffffff;
    color: #212529;
}

[data-bs-theme="light"] .text-secondary {
    color: #6c757d !important;
}

[data-bs-theme="light"] .info-card,
[data-bs-theme="light"] .starter-note {
    background: #f8f9fa;
    border-color: #dee2e6;
}

.score-modal {
    border: 1px solid var(--asp-card-border);
    border-radius: 16px;
    overflow: hidden;
}

.score-modal .modal-header {
    background: var(--asp-gradient);
    color: white;
    border-bottom: none;
    padding: 1.25rem 1.5rem;
}

.score-modal .modal-body {
    padding: 2rem 1.5rem;
}

.score-modal .modal-footer {
    border-top: 1px solid var(--asp-card-border);
    padding: 1rem 1.5rem;
    justify-content: center;
}

.score-modal-stats {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
}

.score-modal-stat {
    text-align: center;
}

.score-modal-stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--asp-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.score-modal-stat-label {
    font-size: 0.85rem;
    color: var(--asp-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.25rem;
}

[data-bs-theme="light"] .score-modal-stat-value {
    background: var(--asp-gradient);
    -webkit-background-clip: text;
    background-clip: text;
}

@media (max-width: 767px) {
    .hero-panel,
    .surface-card,
    .auth-card {
        border-radius: 20px;
    }
}