/* Last Man Standing - Main Stylesheet */

/* ========================================
   CSS Custom Properties (Design Tokens)
   ======================================== */
:root {
    /* Backgrounds */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a2e;
    --bg-elevated: #252538;

    /* Accent Colors */
    --accent: #00d4ff;
    --accent-light: #5ce1ff;
    --accent-dark: #0099cc;
    --accent-glow: rgba(0, 212, 255, 0.4);
    --accent-subtle: rgba(0, 212, 255, 0.1);

    /* Status Colors */
    --success: #00ff88;
    --success-glow: rgba(0, 255, 136, 0.4);
    --success-subtle: rgba(0, 255, 136, 0.1);

    --danger: #ff0055;
    --danger-glow: rgba(255, 0, 85, 0.4);
    --danger-subtle: rgba(255, 0, 85, 0.1);

    --warning: #ffaa00;
    --warning-glow: rgba(255, 170, 0, 0.4);
    --warning-subtle: rgba(255, 170, 0, 0.1);

    /* Text */
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #52525b;

    /* Borders */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(0, 212, 255, 0.3);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--accent-glow);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

/* ========================================
   Base Styles
   ======================================== */
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-elevated);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-dark);
}

/* ========================================
   Component Classes
   ======================================== */

/* Cards */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
    border-color: var(--border-accent);
}

.card-glow {
    box-shadow: var(--shadow-glow);
    border-color: var(--border-accent);
}

.card-header {
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card-body {
    padding: 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-weight: 500;
    font-size: 0.875rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background: var(--accent-light);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-accent);
    color: var(--accent);
}

.btn-outline:hover {
    background: var(--accent-subtle);
    border-color: var(--accent);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-success {
    background: var(--success);
    color: var(--bg-primary);
}

.btn-success:hover {
    box-shadow: 0 0 20px var(--success-glow);
}

.btn-danger {
    background: var(--danger);
    color: var(--text-primary);
}

.btn-danger:hover {
    box-shadow: 0 0 20px var(--danger-glow);
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: 0.75rem;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-accent {
    background: var(--accent-subtle);
    color: var(--accent);
    border: 1px solid var(--border-accent);
}

.badge-success {
    background: var(--success-subtle);
    color: var(--success);
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.badge-danger {
    background: var(--danger-subtle);
    color: var(--danger);
    border: 1px solid rgba(255, 0, 85, 0.3);
}

.badge-warning {
    background: var(--warning-subtle);
    color: var(--warning);
    border: 1px solid rgba(255, 170, 0, 0.3);
}

.badge-muted {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

/* Status indicators */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot-active {
    background: var(--success);
    box-shadow: 0 0 8px var(--success-glow);
    animation: pulse 2s infinite;
}

.status-dot-eliminated {
    background: var(--danger);
}

.status-dot-pending {
    background: var(--warning);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Glow effects */
.glow-accent {
    box-shadow: 0 0 30px var(--accent-glow);
}

.glow-success {
    box-shadow: 0 0 30px var(--success-glow);
}

.glow-danger {
    box-shadow: 0 0 30px var(--danger-glow);
}

/* Text glow */
.text-glow {
    text-shadow: 0 0 20px var(--accent-glow);
}

/* ========================================
   Navigation
   ======================================== */
.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-weight: 500;
    font-size: 0.875rem;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-link.active {
    color: var(--accent);
    background: var(--accent-subtle);
}

/* ========================================
   Toast/Alert System
   ======================================== */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
}

.toast-success {
    border-color: rgba(0, 255, 136, 0.3);
    background: linear-gradient(135deg, var(--bg-secondary), var(--success-subtle));
}

.toast-error {
    border-color: rgba(255, 0, 85, 0.3);
    background: linear-gradient(135deg, var(--bg-secondary), var(--danger-subtle));
}

.toast-warning {
    border-color: rgba(255, 170, 0, 0.3);
    background: linear-gradient(135deg, var(--bg-secondary), var(--warning-subtle));
}

.toast-info {
    border-color: var(--border-accent);
    background: linear-gradient(135deg, var(--bg-secondary), var(--accent-subtle));
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ========================================
   Forms
   ======================================== */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
    line-height: 1.5;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-subtle);
    background: var(--bg-elevated);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input.error {
    border-color: var(--danger);
}

.form-input.error:focus {
    box-shadow: 0 0 0 3px var(--danger-subtle);
}

.form-hint {
    display: block;
    margin-top: 0.375rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.form-error {
    display: block;
    margin-top: 0.375rem;
    font-size: 0.813rem;
    color: var(--danger);
}

/* Checkbox styling */
.form-checkbox {
    width: 1rem;
    height: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    cursor: pointer;
    accent-color: var(--accent);
}

.form-checkbox:checked {
    background: var(--accent);
    border-color: var(--accent);
}

/* ========================================
   Tables
   ======================================== */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    background: var(--bg-tertiary);
    padding: 0.875rem 1rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
}

.table tr:last-child td {
    border-bottom: none;
}

.table tr:hover td {
    background: var(--bg-tertiary);
}

/* ========================================
   Countdown Timer
   ======================================== */
.countdown {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

.countdown-segment {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    min-width: 4rem;
}

.countdown-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.countdown-label {
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ========================================
   Leaderboard
   ======================================== */
.leaderboard-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.leaderboard-item:hover {
    border-color: var(--border-accent);
    transform: translateX(4px);
}

.leaderboard-item.eliminated {
    opacity: 0.5;
}

.leaderboard-rank {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-elevated);
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.875rem;
}

.leaderboard-rank.top-3 {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--bg-primary);
}

/* ========================================
   HTMX Loading States
   ======================================== */
.htmx-request {
    opacity: 0.7;
    pointer-events: none;
}

.htmx-request .btn {
    position: relative;
}

.htmx-request .btn::after {
    content: '';
    position: absolute;
    width: 1rem;
    height: 1rem;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Loading skeleton */
.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-elevated) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* ========================================
   Utilities
   ======================================== */
.gradient-text {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.border-glow {
    position: relative;
}

.border-glow::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, var(--accent), transparent, var(--accent));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.border-glow:hover::before {
    opacity: 1;
}