:root {
    --bg-overlay: rgba(15, 23, 42, 0.45);
    /* Dark overlay for readability */
    --card-bg: rgba(20, 30, 46, 0.65);
    /* More transparent for glass effect */
    --card-border: rgba(255, 255, 255, 0.15);
    --text-primary: #ffffff;
    --text-secondary: #e2e8f0;
    --accent-color: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.5);
    --success-color: #4ade80;
    --danger-color: #f87171;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

body {
    background: url('homer.jpeg') no-repeat center center fixed;
    background-size: cover;
    color: var(--text-primary);
    font-family: var(--font-family);
    margin: 0;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Background Overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(4px);
    /* Subtle blur for artistic feel */
    z-index: -1;
}

* {
    box-sizing: border-box;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    gap: 2rem;
    height: 100vh;
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
        align-items: center;
        /* Fix: Center children */
        padding: 0.5rem;
        height: auto;
    }

    /* Fix: Allow panels to take full width on mobile */
    .controls-panel,
    .leaderboard-panel {
        max-width: none;
        width: 100% !important;
    }

    /* Compact Card padding on mobile */
    .card {
        padding: 1rem;
    }

    /* Adjust Grid Layout: 3 Columns, hidden 4th */
    .leaderboard-header,
    .player-row {
        grid-template-columns: 50px 1fr 60px !important;
        gap: 0.5rem;
        padding: 0.75rem 0.5rem;
    }

    /* Text Truncation for Name - Strict Rules */
    .player-name {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        font-size: 1rem;
        max-width: 100%;
    }

    /* Centering Rank and Score strictly */
    .player-rank {
        justify-self: center;
        text-align: center;
        font-size: 1.2rem;
    }

    .player-score {
        justify-self: center;
        text-align: center;
        font-size: 1.1rem;
    }

    /* Hide Action Button Column Completely */
    .player-row>div:nth-child(4),
    .leaderboard-header>div:nth-child(4) {
        display: none !important;
    }

    .action-btn {
        display: none;
    }

    /* Header Alignment - Force Center for Rank/Score */
    .leaderboard-header>div:nth-child(1),
    .leaderboard-header>div:nth-child(3) {
        text-align: center !important;
        justify-self: center;
    }
}

/* Sidebar / Controls */
.controls-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 350px;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--glass-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.3);
}

h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin: 0;
    background: linear-gradient(135deg, #fff 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.03em;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

h2 {
    font-size: 1.25rem;
    margin-top: 0;
    margin-bottom: 1rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 0.5rem;
}

.version-badge {
    background: linear-gradient(90deg, #10b981, #3b82f6);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    display: inline-block;
    margin-bottom: 1rem;
    box-shadow: 0 4px 10px rgba(59, 130, 246, 0.4);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }

    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

/* Buttons */
.btn {
    background: linear-gradient(135deg, var(--accent-color) 0%, #0284c7 100%);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    margin-bottom: 0.75rem;
    font-size: 1rem;
    box-shadow: 0 4px 15px -1px var(--accent-glow);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px -3px var(--accent-glow);
}

.btn:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--card-border);
    box-shadow: none;
    backdrop-filter: blur(5px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--text-primary);
}

.btn-danger {
    background: transparent;
    border: 1px solid var(--danger-color);
    color: var(--danger-color);
    box-shadow: none;
}

.btn-danger:hover {
    background: rgba(248, 113, 113, 0.15);
}

/* Leaderboard */
.leaderboard-panel {
    flex: 3;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.leaderboard-header {
    display: grid;
    grid-template-columns: 80px 2fr 100px 1fr;
    padding: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px 12px 0 0;
}

.leaderboard-list {
    flex: 1;
    overflow-y: auto;
    padding-right: 0.5rem;
    margin-top: 0.5rem;
}

/* Scrollbar */
.leaderboard-list::-webkit-scrollbar {
    width: 6px;
}

.leaderboard-list::-webkit-scrollbar-track {
    background: transparent;
}

.leaderboard-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.player-row {
    display: grid;
    grid-template-columns: 80px 2fr 100px 1fr;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    margin-bottom: 0.75rem;
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: slideIn 0.3s ease-out;
}

.player-row:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-color);
    transform: translateX(4px);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.player-rank {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--text-secondary);
    opacity: 0.6;
    font-style: italic;
}

.player-row:nth-child(1) .player-rank {
    color: #fbbf24;
    opacity: 1;
    text-shadow: 0 0 10px rgba(251, 191, 36, 0.5);
}

.player-row:nth-child(2) .player-rank {
    color: #e2e8f0;
    opacity: 1;
    text-shadow: 0 0 10px rgba(226, 232, 240, 0.5);
}

.player-row:nth-child(3) .player-rank {
    color: #b45309;
    opacity: 1;
    text-shadow: 0 0 10px rgba(180, 83, 9, 0.5);
}

.player-name {
    font-weight: 600;
    font-size: 1.15rem;
    letter-spacing: 0.01em;
}

.player-score {
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent-color);
    text-shadow: 0 0 8px var(--accent-glow);
}

.action-btn {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    /* Squircle */
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.action-btn:hover {
    background: var(--accent-color);
    transform: scale(1.1);
    box-shadow: 0 0 15px var(--accent-glow);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    /* Darker backdrop */
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background: rgba(30, 41, 59, 0.9);
    width: 90%;
    max-width: 500px;
    padding: 2.5rem;
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--card-border);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

.form-input {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--card-border);
    padding: 1rem;
    border-radius: 12px;
    color: white;
    font-size: 1.1rem;
    transition: border-color 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.targets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.target-chip {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1rem;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
}

.target-chip:hover {
    background: rgba(56, 189, 248, 0.15);
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.target-chip.selected:hover {
    background: var(--danger-color);
    color: white;
    cursor: pointer !important;
    /* Force to show it's clickable */
}

.target-chip.selected {
    background: var(--accent-color);
    color: #0f172a;
    font-weight: 800;
    box-shadow: 0 4px 15px var(--accent-glow);
    cursor: pointer;
    /* Ensure it's not not-allowed */
}

.target-points {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-top: 0.4rem;
}

.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--success-color);
    color: #064e3b;
    padding: 1rem 2rem;
    border-radius: 16px;
    font-weight: 700;
    transform: translateY(100px);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    z-index: 2000;
}

.toast.show {
    transform: translateY(0);
}

/* Admin Helper Classes */
.hidden {
    display: none !important;
}