/* Mandelbrot Set Deep Zoom Simulator - Dark Theme */

:root {
    --bg-primary: #0a0e27;
    --bg-secondary: #1a1f3a;
    --bg-tertiary: #2a2f4a;
    --text-primary: #e0e6ed;
    --text-secondary: #a0a6ad;
    --accent: #4a9eff;
    --accent-hover: #6ab0ff;
    --border: #3a4f6a;
    --success: #00d4aa;
    --danger: #ff4a6a;
    --warning: #ffaa4a;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 10px;
    border: 1px solid var(--border);
}

header h1 {
    font-size: 2.5em;
    color: var(--accent);
    margin-bottom: 10px;
    text-shadow: 0 0 20px rgba(74, 158, 255, 0.3);
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1em;
}

.main-content {
    display: grid;
    grid-template-columns: 280px 1fr 220px;
    gap: 20px;
    margin-bottom: 20px;
}

.controls-panel {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.controls-panel h2 {
    font-size: 1.3em;
    margin-bottom: 20px;
    color: var(--accent);
}

.control-group {
    margin-bottom: 20px;
}

.control-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 500;
}

.control-group input[type="range"] {
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
}

.control-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s;
}

.control-group input[type="range"]::-webkit-slider-thumb:hover {
    background: var(--accent-hover);
}

.control-group input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.control-group span {
    display: inline-block;
    margin-top: 5px;
    color: var(--accent);
    font-weight: bold;
}

.control-group select {
    width: 100%;
    padding: 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
}

.control-group select:focus {
    outline: none;
    border-color: var(--accent);
}

.control-group input[type="checkbox"] {
    margin-right: 8px;
    cursor: pointer;
}

.control-group small {
    display: block;
    margin-top: 5px;
    color: var(--text-secondary);
    font-size: 0.85em;
}

.btn {
    width: 100%;
    padding: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    margin-bottom: 10px;
}

.btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(74, 158, 255, 0.3);
}

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

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

.bookmarks-section {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.bookmarks-section h3 {
    font-size: 1.1em;
    margin-bottom: 15px;
    color: var(--accent);
}

.bookmark-buttons {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.bookmark-btn {
    padding: 8px;
    font-size: 13px;
    margin-bottom: 0;
}

.canvas-container {
    position: relative;
    background: var(--bg-secondary);
    padding: 10px;
    border-radius: 10px;
    border: 1px solid var(--border);
}

#mandelbrot-canvas {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 5px;
    cursor: crosshair;
    background: black;
}

.coordinates-overlay {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(26, 31, 58, 0.95);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border);
    min-width: 200px;
    backdrop-filter: blur(10px);
}

.coordinate-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 13px;
}

.coordinate-item:last-child {
    margin-bottom: 0;
}

.coordinate-item .label {
    color: var(--text-secondary);
    font-weight: 500;
}

.coordinate-item span:last-child {
    color: var(--accent);
    font-family: 'Courier New', monospace;
    font-weight: bold;
}

.instructions {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(26, 31, 58, 0.9);
    padding: 10px 20px;
    border-radius: 20px;
    border: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-secondary);
    backdrop-filter: blur(10px);
    white-space: nowrap;
}

.minimap-container {
    background: var(--bg-secondary);
    padding: 15px;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.minimap-container h3 {
    font-size: 1.1em;
    margin-bottom: 15px;
    color: var(--accent);
}

.minimap-container {
    position: relative;
}

#minimap-canvas {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 5px;
    border: 1px solid var(--border);
}

#view-rectangle {
    position: absolute;
    border: 2px solid var(--accent);
    background: rgba(74, 158, 255, 0.1);
    pointer-events: none;
    top: 0;
    left: 0;
}

.info-panel {
    background: var(--bg-secondary);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.info-panel h3 {
    font-size: 1.3em;
    margin-bottom: 15px;
    color: var(--accent);
}

.info-panel p {
    margin-bottom: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.info-panel strong {
    color: var(--text-primary);
}

.info-panel .stats {
    display: flex;
    gap: 30px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-item span:last-child {
    color: var(--accent);
    font-weight: bold;
    font-family: 'Courier New', monospace;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
    }

    .controls-panel {
        order: 2;
    }

    .canvas-container {
        order: 1;
    }

    .minimap-container {
        order: 3;
    }
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.8em;
    }

    .subtitle {
        font-size: 0.9em;
    }

    .coordinates-overlay {
        position: static;
        margin-top: 15px;
        min-width: auto;
    }

    .instructions {
        position: static;
        transform: none;
        margin-top: 10px;
        text-align: center;
    }

    .info-panel .stats {
        flex-direction: column;
        gap: 15px;
    }
}

/* Animations */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.coordinates-overlay {
    animation: pulse 2s ease-in-out infinite;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 5px;
}

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

/* Loading State */
.loading {
    opacity: 0.5;
    pointer-events: none;
}

/* Focus Styles */
button:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}