:root {
    /* Blue-Whiteish Theme (Light Mode Defaults) */
    --bg-color: #f0f4f8; 
    --card-bg: #ffffff;
    --card-hover: #eef2ff;
    --primary: #004e92; 
    --secondary: #000428; 
    --accent: #3b82f6; 
    --text-main: #1e293b; 
    --text-muted: #64748b;
    --danger: #ef4444;
    --warning: #f59e0b;
    --modal-bg: #ffffff;
    --modal-overlay: rgba(0, 4, 40, 0.8);
    
    /* Logo Gradients */
    --logo-dark: #000428;
    --logo-light: #004e92;
}

body.dark-mode {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --card-hover: #334155;
    --primary: #60a5fa; /* Lighter blue for dark mode */
    --secondary: #f8fafc; /* Almost white */
    --accent: #3b82f6;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --modal-bg: #1e293b;
    --modal-overlay: rgba(0, 0, 0, 0.9);
    
    /* Logo Gradients Inverse */
    --logo-dark: #60a5fa;
    --logo-light: #3b82f6;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.1), transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(0, 78, 146, 0.1), transparent 40%);
    filter: blur(60px);
}

header {
    text-align: center;
    padding: 4rem 1rem 2rem;
    animation: fadeInDown 0.8s ease-out;
    position: relative;
}

.logo {
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--logo-dark), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    letter-spacing: -2px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

.tagline {
    color: var(--text-muted);
    font-size: 1.2rem;
    font-weight: 500;
}

/* User Status */
.user-status {
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    background: var(--card-bg);
    border-radius: 8px;
    display: inline-block;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    transition: background-color 0.3s;
}

#settings-btn, .role-btn, #theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    margin-left: 0.5rem;
    transition: transform 0.3s ease;
    padding: 0;
    color: inherit;
}

#settings-btn:hover, #theme-toggle:hover { transform: rotate(20deg) scale(1.1); }
.role-btn:hover { transform: scale(1.2); }

/* Leaderboard */
#leaderboard-container {
    position: absolute;
    top: 2rem;
    right: 2rem;
    width: 220px;
    background: var(--card-bg);
    padding: 1rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    z-index: 10;
    animation: fadeInRight 1s ease-out;
    transition: background-color 0.3s;
}

#leaderboard-container h3 {
    font-size: 1rem;
    color: var(--secondary);
    margin-bottom: 0.8rem;
    border-bottom: 2px solid var(--accent);
    padding-bottom: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#leaderboard-list {
    list-style: none;
    font-size: 0.85rem;
}

#leaderboard-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0;
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

#leaderboard-list li:last-child { border-bottom: none; }

#leaderboard-list li span:first-child {
    font-weight: 600;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 130px;
}

#leaderboard-list li span:last-child {
    color: var(--accent);
    font-weight: 700;
}

.webber-badge { margin-left: 5px; font-size: 1rem; }

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--modal-overlay);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal.visible { opacity: 1; pointer-events: auto; }

.modal-content {
    background: var(--modal-bg);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    transform: translateY(20px);
    transition: transform 0.3s ease, background-color 0.3s;
    position: relative;
    color: var(--text-main);
}

.modal-content.large-modal { max-width: 600px; }
.modal.visible .modal-content { transform: translateY(0); }

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
}

.modal-content h2 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.modal-content input {
    width: 100%;
    padding: 0.8rem;
    margin: 1rem 0;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
    background: var(--bg-color);
    color: var(--text-main);
}

.modal-content input:focus { border-color: var(--accent); }

.modal-content button {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 0.5rem;
}

.modal-content button:hover { background: var(--accent); }

/* Console Box */
.console-box {
    background: #0f0f13;
    color: #4ade80;
    font-family: monospace;
    padding: 1rem;
    border-radius: 8px;
    height: 200px;
    overflow-y: auto;
    text-align: left;
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
    white-space: pre-wrap;
    border: 1px solid #333;
}

/* Settings Modal Specifics */
.settings-section, .admin-actions, .tester-actions {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.settings-section:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.danger-zone h3, .admin-actions h3 {
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.danger-btn { background: var(--danger) !important; }
.danger-btn:hover { background: #dc2626 !important; }
.danger-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.warning-btn { background: var(--warning) !important; color: black !important; }

.btn-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.full-width { width: 100%; }

.warning-text {
    font-size: 0.9rem;
    color: var(--danger);
    margin: 1rem 0 0.5rem;
}

.hidden { display: none !important; }

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem 4rem;
}

.category {
    margin-bottom: 4rem;
    animation: fadeInUp 0.8s ease-out;
}

.category h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--secondary);
    border-left: 5px solid var(--accent);
    padding-left: 1rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.5rem;
}

.card {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 16px;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

.card:hover {
    transform: translateY(-8px);
    background-color: var(--card-hover);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-color: rgba(59, 130, 246, 0.3);
}

.icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.card:hover .icon { transform: scale(1.1); }

.card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--secondary);
}

.card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.5;
}

footer {
    text-align: center;
    padding: 3rem;
    border-top: 1px solid rgba(148, 163, 184, 0.2);
    color: var(--text-muted);
    background: var(--card-bg);
    transition: background-color 0.3s;
}

#random-btn {
    margin-top: 1.5rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--logo-dark), var(--logo-light));
    border: none;
    border-radius: 50px;
    color: white;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    box-shadow: 0 4px 6px rgba(0, 78, 146, 0.2);
}

#random-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 12px rgba(0, 78, 146, 0.3);
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

@media (max-width: 900px) {
    #leaderboard-container {
        position: static;
        width: 100%;
        margin-bottom: 2rem;
        box-shadow: none;
        background: transparent;
        padding: 0 1.5rem;
    }
    .logo { font-size: 3rem; }
    header { padding-top: 2rem; }
}