/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #007bff;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --dark-bg: #1a1a1a;
    --dark-surface: #2d2d2d;
    --darker-surface: #252525;
    --dark-border: #404040;
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-muted: #a0a0a0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.4);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background: var(--dark-bg);
    color: var(--text-secondary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
.main-header {
    background: linear-gradient(135deg, var(--darker-surface) 0%, #333 100%);
    border-bottom: 1px solid var(--dark-border);
    padding: 1rem 0;
    margin-bottom: 1rem;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.main-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.tagline {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 300;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 0 20px 1rem;
}

.container {
    display: flex;
    max-width: 1200px;
    margin: 0 auto;
    gap: 20px;
}

.left, .right {
    background: var(--dark-surface);
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    border: 1px solid var(--dark-border);
}

.left {
    width: 50%;
}

.right {
    width: 50%;
}

/* Compact Form Elements */
#element-select {
    width: 100%;
    padding: 8px;
    margin-bottom: 15px;
    border-radius: 4px;
    border: 1px solid var(--dark-border);
    background: var(--darker-surface);
    color: var(--text-secondary);
    font-size: 14px;
}

#reset-btn {
    width: 100%;
    padding: 10px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-bottom: 20px;
    font-size: 14px;
}

#reset-btn:hover {
    background: #0056b3;
}

/* Compact Details/Sections */
details {
    margin-bottom: 10px;
    border: 1px solid var(--dark-border);
    border-radius: 6px;
    background: #363636;
}

details[open] {
    background: #404040;
}

summary {
    cursor: pointer;
    font-weight: 600;
    padding: 12px;
    background: #4a4a4a;
    color: var(--text-primary);
    transition: background 0.2s;
    list-style: none;
    font-size: 14px;
    border-radius: 6px 6px 0 0;
}

details[open] summary {
    background: #555555;
    border-radius: 6px 6px 0 0;
}

/* Compact Control Groups */
.control-group {
    padding: 10px;
    display: flex;
    flex-flow: column wrap;
    justify-content: space-between;
    gap: 5px;
}

.control-row {
    width: 100%;
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between;
    gap: 8px;
}

.control-cell {
    width: 46%;
}

.control-group input[type=text],
.control-group input[type=range],
.control-group select {
    width: 100%;
    padding: 6px;
    border: 1px solid var(--dark-border);
    border-radius: 4px;
    font-size: 14px;
    flex: 1;
    background: var(--darker-surface);
    color: var(--text-secondary);
}

.control-group label {
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 2px;
    display: block;
}

/* Hide color inputs */
input[type="color"]:not(#preview-bg) {
    width: 0 !important;
    height: 0 !important;
    border: none !important;
    padding: 0 !important;
    margin: 0 !important;
    opacity: 0;
    position: absolute;
}

/* Compact Preview Area */
.preview-area {
    text-align: center;
}

#preview-bg {
    margin-bottom: 15px;
    background: var(--darker-surface);
    border: 1px solid var(--dark-border);
    border-radius: 4px;
    width: 40px;
    height: 30px;
}

.preview-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 40px;
    min-height: 200px;
    background: var(--preview-bg, #2d2d2d);
    padding: 60px 40px;
    border: 1px solid var(--dark-border);
    border-radius: 4px;
    margin-bottom: 15px;
}

.preview-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1px 1px;
    border: 1px solid #666666;
    white-space: nowrap;
    background: #3d3d3d;
}

.preview-item label {
    white-space: nowrap;
    color: var(--text-secondary);
}

/* Compact Save Section */
#save-section {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--dark-border);
}

#save_btn {
    width: 100%;
    padding: 10px;
    background: var(--success-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

#save_btn:hover {
    background: #218838;
}

.save-options {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.save-options label {
    font-size: 12px;
    color: var(--text-secondary);
}

.save-options select,
.save-options input {
    padding: 4px;
    border-radius: 4px;
    border: 1px solid var(--dark-border);
    background: var(--darker-surface);
    color: var(--text-secondary);
    font-size: 12px;
}

/* Compact Micro Controls */
.mico-text {
    width: 30px !important;
    height: 20px;
    line-height: 1;
    margin: 0 2px;
    padding: 2px 4px;
    text-align: center;
    background: var(--darker-surface);
    border: 1px solid var(--dark-border);
    color: var(--text-secondary);
    border-radius: 2px;
    font-size: 11px;
}

.mico-check {
    width: 14px !important;
    height: 14px;
    margin: 0 2px;
    accent-color: var(--primary-color);
}

.opt-row {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
}

.opt-row label {
    font-size: 10px;
    display: flex;
    align-items: center;
    gap: 2px;
}

/* Compact Range Inputs */
.control-group input[type=range] {
    height: 4px;
    max-width: 95%;
    border: 1px solid #555555;
    background-color: #676767;
    -webkit-appearance: none;
    cursor: pointer;
    margin-top: 4px;
    border-radius: 2px;
}

.control-group input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    background-color: #26a7c4;
    border: 1px solid #e6e6e6;
    border-radius: 50%;
}

.control-group input[type=range]::-moz-range-thumb {
    width: 12px;
    height: 12px;
    background-color: #26a7c4;
    border: 1px solid #e6e6e6;
    border-radius: 50%;
    cursor: pointer;
}

/* Footer */
.main-footer {
    background: var(--darker-surface);
    border-top: 1px solid var(--dark-border);
    padding: 1rem 0;
    margin-top: 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.footer-content p {
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.8rem;
}

.footer-links a:hover {
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    
    .left, .right {
        width: 100%;
    }
    
    .preview-wrapper {
        padding: 40px 20px;
        gap: 30px;
    }
    
    .control-row {
        flex-direction: column;
    }
    
    .control-cell {
        width: 100%;
    }
    
    .save-options {
        flex-direction: column;
        gap: 5px;
    }
}

/* Focus states for accessibility */
button:focus-visible,
input:focus-visible,
select:focus-visible,
details summary:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 1px;
}