:root {
    --bg-color: #0f172a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-primary: #3b82f6;
    --accent-hover: #60a5fa;
    --accent-glow: rgba(59, 130, 246, 0.5);
    --panel-bg: rgba(30, 41, 59, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
    
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background: radial-gradient(circle at top right, #1e293b, var(--bg-color));
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 1px;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    text-shadow: 0 0 10px var(--accent-glow);
}

nav {
    display: flex;
    gap: 1rem;
}

.nav-btn {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 6px;
}

.nav-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-btn.active {
    color: var(--text-primary);
    background: var(--accent-primary);
    box-shadow: 0 0 15px var(--accent-glow);
}

/* Views */
.view {
    display: none;
    padding: 2rem;
    animation: fadeIn 0.4s ease forwards;
}

.view.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Home View */
.hero {
    text-align: center;
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, #60a5fa, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.levels-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.level-card {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.level-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    border-color: var(--accent-primary);
}

.level-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.level-card p.author {
    font-size: 0.9rem;
    color: var(--accent-hover);
    margin-bottom: 1rem;
}

.level-card p.desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.4;
}

/* Buttons */
.btn-primary, .btn-secondary {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), #4f46e5);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Editor View */
.editor-layout {
    display: flex;
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.editor-sidebar {
    flex: 0 0 350px;
    background: var(--panel-bg);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.editor-sidebar h2, .editor-sidebar h3 {
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.3);
    color: var(--text-primary);
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.palette {
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.palette-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.palette-item {
    aspect-ratio: 1;
    border-radius: 6px;
    border: 2px solid transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: rgba(0, 0, 0, 0.4);
    transition: all 0.2s;
}

.palette-item:hover {
    transform: scale(1.1);
}

.palette-item.selected {
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px var(--accent-glow);
}

.palette-info {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
    padding: 0.5rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

.editor-canvas-container, .game-canvas-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #000;
    border-radius: 12px;
    padding: 1rem;
    box-shadow: inset 0 0 20px rgba(0,0,0,0.8);
    position: relative;
    border: 2px solid #2a3a5a;
}

canvas {
    image-rendering: pixelated;
    background: #000;
    max-width: 100%;
    cursor: crosshair;
}

.canvas-help, .game-controls-help {
    margin-top: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Game View */
.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.game-stats {
    display: flex;
    gap: 2rem;
    background: var(--panel-bg);
    padding: 0.5rem 1.5rem;
    border-radius: 30px;
    border: 1px solid var(--border-color);
}

.stat {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    font-family: 'Orbitron', sans-serif;
    color: var(--text-primary);
}

#game-title-display {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--accent-hover);
}

#game-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    z-index: 10;
}

#game-overlay.hidden {
    display: none;
}

#game-message {
    font-size: 3rem;
    margin-bottom: 2rem;
    text-shadow: 0 0 20px rgba(255,255,255,0.5);
}

.msg-win { color: var(--success); text-shadow: 0 0 20px rgba(16, 185, 129, 0.5) !important; }
.msg-lose { color: var(--danger); text-shadow: 0 0 20px rgba(239, 68, 68, 0.5) !important; }

/* Auth & Modals */
.hidden { display: none !important; }
.modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.6); z-index: 1000; display: flex; justify-content: center; align-items: center; }
.modal-content { background: var(--panel-bg); padding: 2rem; border-radius: 12px; border: 1px solid var(--accent-primary); width: 400px; max-width: 90%; backdrop-filter: blur(15px); position: relative; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5); }
.close-modal { position: absolute; top: 1rem; right: 1rem; font-size: 1.5rem; cursor: pointer; color: var(--text-secondary); transition: color 0.2s; }
.close-modal:hover { color: var(--danger); }
.auth-buttons { display: flex; gap: 1rem; margin-top: 1.5rem; }
.auth-buttons button { flex: 1; }
.error-msg { color: var(--danger); margin-top: 1rem; font-size: 0.9rem; text-align: center; }
#user-info { display: flex; align-items: center; gap: 1rem; color: var(--accent-primary); font-weight: bold; }

/* Card Actions */
.card-actions { display: flex; justify-content: space-between; align-items: center; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border-color); }
.card-stats { display: flex; gap: 1rem; }
.action-btn { background: none; border: none; cursor: pointer; font-size: 1.2rem; transition: transform 0.2s; }
.action-btn:hover { transform: scale(1.2); }
.btn-fav { color: #f43f5e; }
.btn-rate { color: #fbbf24; }
.card-controls { display: flex; gap: 0.5rem; }
.btn-edit { background: var(--accent-primary); color: white; border: none; padding: 0.3rem 0.6rem; border-radius: 4px; cursor: pointer; }
.btn-delete { background: var(--danger); color: white; border: none; padding: 0.3rem 0.6rem; border-radius: 4px; cursor: pointer; }
.btn-edit:hover, .btn-delete:hover { filter: brightness(1.2); }

button:disabled { opacity: 0.5; cursor: not-allowed !important; transform: none !important; }

/* Admin View Styling */
.admin-container {
    max-width: 1100px;
    margin: 0 auto;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.admin-header {
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.admin-header h2 {
    font-size: 1.8rem;
    color: var(--accent-hover);
    margin-bottom: 0.5rem;
}

.admin-header p {
    color: var(--text-secondary);
}

.admin-section {
    background: rgba(0, 0, 0, 0.25);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.admin-section h3 {
    font-size: 1.2rem;
    margin-bottom: 1.2rem;
    color: var(--accent-primary);
}

.inline-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.help-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.tiles-customize-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
}

.admin-tile-card {
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.tile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding-bottom: 0.5rem;
}

.tile-header h4 {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.tile-preview {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    border: 1px solid rgba(255,255,255,0.2);
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.tile-fields .form-group {
    margin-bottom: 0.6rem;
}

.tile-fields label {
    font-size: 0.75rem;
    margin-bottom: 0.2rem;
}

.tile-fields input[type="text"] {
    padding: 0.4rem;
    font-size: 1rem;
    text-align: center;
}

.tile-fields input[type="color"] {
    width: 100%;
    height: 36px;
    padding: 0;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    background: transparent;
}

.admin-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.status-msg {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-weight: bold;
}

.status-msg.success {
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid var(--success);
    color: var(--success);
}

.status-msg.error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid var(--danger);
    color: var(--danger);
}