/* Mandelbrot Explorer Styles */

.hidden {
    display: none !important;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0a0a2e 0%, #1a0066 50%, #0d0d3d 100%);
    color: #e0e0ff;
    min-height: 100vh;
    overflow-x: hidden;
}

.back-to-projects {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
    background: rgba(20, 10, 60, 0.9);
    border: 2px solid rgba(136, 102, 255, 0.4);
    border-radius: 12px;
    padding: 10px 20px;
    text-decoration: none;
    color: #8866ff;
    font-weight: 600;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(136, 102, 255, 0.2);
}

.back-to-projects:hover {
    background: linear-gradient(135deg, #5533cc, #8844ff);
    color: white;
    transform: translateX(-5px);
    box-shadow: 0 6px 20px rgba(136, 102, 255, 0.5);
    border-color: rgba(136, 102, 255, 0.8);
}

.back-to-projects::before {
    content: "← ";
}

.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: 80px 20px 20px 20px;
}

.project-header {
    text-align: center;
    margin-bottom: 20px;
    color: white;
}

.project-header h1 {
    font-size: 2.5em;
    margin-bottom: 6px;
    background: linear-gradient(135deg, #8866ff, #ff66aa, #66aaff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
}

.subtitle {
    font-size: 1.05em;
    color: #9988cc;
}

/* Main layout */
.main-content {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 20px;
    flex: 1;
    align-items: start;
}

/* Canvas area */
.canvas-wrapper {
    background: #050515;
    border-radius: 15px;
    padding: 15px;
    box-shadow: 0 0 40px rgba(136, 102, 255, 0.3), 0 10px 40px rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(136, 102, 255, 0.2);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#mandelbrotCanvas {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 10px;
    cursor: crosshair;
    border: 1px solid rgba(136, 102, 255, 0.15);
    touch-action: none;
}

#mandelbrotCanvas.cursor-grab {
    cursor: grab;
}

#mandelbrotCanvas.cursor-grabbing,
#mandelbrotCanvas.dragging {
    cursor: grabbing;
}

.canvas-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 14px;
    background: rgba(30, 15, 90, 0.8);
    border-radius: 8px;
    font-size: 0.8em;
    color: #9988cc;
    gap: 10px;
    flex-wrap: wrap;
}

.status-coords {
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.status-zoom {
    font-family: 'Courier New', monospace;
    font-size: 0.95em;
    color: #aaaaff;
    font-weight: 600;
}

.status-render {
    font-size: 0.85em;
    color: #7766aa;
    font-style: italic;
    min-width: 100px;
    text-align: right;
}

.precision-warning {
    color: #ff9933;
    font-weight: 600;
    animation: pulse-warn 1.5s ease-in-out infinite;
}

@keyframes pulse-warn {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Deep zoom mode indicator — perturbation theory active */
.precision-warning.status-deep {
    color: #44ffcc;
    animation: pulse-deep 2.5s ease-in-out infinite;
}

@keyframes pulse-deep {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* Controls panel */
.controls-panel {
    background: rgba(20, 10, 60, 0.95);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(136, 102, 255, 0.2);
    height: fit-content;
    backdrop-filter: blur(10px);
}

.controls-panel h2 {
    color: #8866ff;
    margin-bottom: 20px;
    font-size: 1.4em;
    text-align: center;
    letter-spacing: 1px;
}

.control-section {
    margin-bottom: 18px;
    padding-bottom: 18px;
    border-bottom: 1px solid rgba(136, 102, 255, 0.15);
}

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

.control-section h3 {
    font-size: 0.75em;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #6655aa;
    margin-bottom: 12px;
}

/* Mode toggle */
.mode-toggle {
    display: flex;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(136, 102, 255, 0.4);
}

.mode-toggle button {
    flex: 1;
    padding: 9px;
    border: none;
    background: transparent;
    color: #7766aa;
    font-size: 0.85em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
}

.mode-toggle button.active {
    background: linear-gradient(135deg, #5533cc, #8844ff);
    color: white;
}

.mode-toggle button:hover:not(.active) {
    background: rgba(136, 102, 255, 0.15);
    color: #9988cc;
}

/* Coordinate display */
.coord-display {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-family: 'Courier New', monospace;
    font-size: 0.78em;
}

.coord-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 8px;
    background: rgba(10, 5, 40, 0.6);
    border-radius: 5px;
    border: 1px solid rgba(136, 102, 255, 0.1);
}

.coord-label {
    color: #6655aa;
    font-size: 0.9em;
}

.coord-value {
    color: #aaaaff;
    font-weight: 600;
}

/* Sliders */
.control-group {
    margin-bottom: 14px;
}

.control-group:last-child {
    margin-bottom: 0;
}

.control-group label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
    font-size: 0.85em;
    color: #9988cc;
    font-weight: 500;
}

.control-group label span {
    color: #aaaaff;
    font-family: 'Courier New', monospace;
}

.control-group input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 5px;
    background: rgba(50, 30, 120, 0.8);
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.control-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: white;
    border: 3px solid #8866ff;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(136, 102, 255, 0.5);
    transition: all 0.2s ease;
}

.control-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 14px rgba(136, 102, 255, 0.7);
}

.control-group input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: white;
    border: 3px solid #8866ff;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(136, 102, 255, 0.5);
}

/* Auto-iter checkbox */
.iter-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.auto-checkbox-label {
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 400;
    color: #9988cc;
    cursor: pointer;
    font-size: 0.9em;
}

.auto-checkbox-label input[type="checkbox"] {
    accent-color: #8866ff;
    cursor: pointer;
    width: 14px;
    height: 14px;
}

#iterValue[type="number"] {
    width: 68px;
    background: #1a1a2e;
    border: 1px solid #444;
    border-radius: 4px;
    color: #e0e0e0;
    padding: 2px 6px;
    font-size: 0.9em;
    text-align: right;
}

#iterValue[type="number"]:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.control-group input[type="range"]:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.control-group input[type="range"]:disabled::-webkit-slider-thumb {
    cursor: not-allowed;
    background: #666;
    border-color: #555;
    transform: none;
    box-shadow: none;
}

.control-group input[type="range"]:disabled::-moz-range-thumb {
    cursor: not-allowed;
    background: #666;
    border-color: #555;
}

/* Dropdown */
.control-group select {
    width: 100%;
    padding: 8px 10px;
    background: rgba(10, 5, 40, 0.8);
    border: 1px solid rgba(136, 102, 255, 0.35);
    border-radius: 7px;
    color: #ccbbff;
    font-size: 0.9em;
    cursor: pointer;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238866ff' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
}

.control-group select:focus {
    border-color: rgba(136, 102, 255, 0.7);
    box-shadow: 0 0 0 2px rgba(136, 102, 255, 0.2);
}

/* Buttons */
.button-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.button-row {
    display: flex;
    gap: 8px;
}

.btn {
    padding: 9px 14px;
    border: none;
    border-radius: 8px;
    font-size: 0.85em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
    letter-spacing: 0.5px;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #5533cc, #8844ff);
    color: white;
    box-shadow: 0 4px 14px rgba(136, 102, 255, 0.4);
    flex: 1;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(136, 102, 255, 0.6);
}

.btn-secondary {
    background: rgba(30, 15, 80, 0.8);
    color: #9988cc;
    border: 1px solid rgba(136, 102, 255, 0.3);
    flex: 1;
}

.btn-secondary:hover {
    background: rgba(60, 30, 150, 0.8);
    color: #ccbbff;
    border-color: rgba(136, 102, 255, 0.6);
}

.btn-accent {
    background: linear-gradient(135deg, #cc3366, #ff6699);
    color: white;
    box-shadow: 0 4px 14px rgba(255, 100, 150, 0.3);
    flex: 1;
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 100, 150, 0.5);
}

/* Julia hover hint */
.julia-hint {
    margin-top: 8px;
    font-size: 0.75em;
    color: #6655aa;
    text-align: center;
}

/* Hints section */
.hints {
    font-size: 0.75em;
    color: #554477;
    line-height: 1.7;
}

.hint-row {
    display: flex;
    justify-content: space-between;
    padding: 2px 0;
}

.hint-key {
    color: #7766aa;
    font-family: 'Courier New', monospace;
    background: rgba(136, 102, 255, 0.1);
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 0.9em;
}

/* Info section */
.info-section {
    background: rgba(20, 10, 60, 0.8);
    border-radius: 15px;
    padding: 35px 40px;
    margin-top: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(136, 102, 255, 0.15);
    grid-column: 1 / -1;
}

.info-section h2 {
    color: #8866ff;
    margin-bottom: 15px;
    font-size: 1.8em;
}

.info-section p {
    line-height: 1.8;
    color: #9988cc;
    margin-bottom: 15px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.info-card {
    background: rgba(30, 15, 80, 0.6);
    padding: 20px;
    border-radius: 10px;
    border-left: 3px solid #8866ff;
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(136, 102, 255, 0.3);
    border-left-color: #ff66aa;
}

.info-card h3 {
    color: #aaaaff;
    margin-bottom: 8px;
    font-size: 1.1em;
}

.info-card p {
    margin: 0;
    font-size: 0.9em;
    color: #7766aa;
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 1100px) {
    .main-content {
        grid-template-columns: 1fr;
    }

    .controls-panel {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .controls-panel h2 {
        grid-column: 1 / -1;
        margin-bottom: 0;
    }

    .control-section:last-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 640px) {
    .page-wrapper {
        padding-top: 70px;
    }

    .project-header h1 {
        font-size: 1.8em;
    }

    .controls-panel {
        display: block;
    }

    .canvas-status-bar {
        font-size: 0.72em;
    }

    .info-section {
        padding: 20px;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }
}