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

:root {
    --bg-primary: #121212;
    --bg-secondary: #1e1e1e;
    --bg-card: #2a2a2a;
    --accent: #f59e0b;
    --accent-hover: #fbbf24;
    --text-primary: #e5e5e5;
    --text-secondary: #a3a3a3;
    --text-hint: #737373;
    --border: #404040;
    --success: #22c55e;
    --danger: #ef4444;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-primary);
    background-image: url('./images/logo.png');
    background-repeat: no-repeat;
    background-position: center center;
    background-attachment: fixed;
    background-size: 70% auto;
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(30, 30, 30, 0.85);
    border-radius: 12px;
    border: 1px solid var(--border);
    backdrop-filter: blur(5px);
}

header h1 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.file-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
}

.btn-danger {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
}

.btn-danger:hover {
    background: var(--danger);
    color: white;
}

.btn-add {
    background: transparent;
    color: var(--success);
    border: 1px dashed var(--success);
    width: 100%;
    padding: 15px;
    margin-top: 15px;
}

.btn-add:hover:not(:disabled) {
    background: rgba(74, 222, 128, 0.1);
}

.btn-add:disabled {
    color: var(--text-hint);
    border-color: var(--text-hint);
    cursor: not-allowed;
    opacity: 0.6;
}

.config-section {
    background: rgba(30, 30, 30, 0.85);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 20px;
    border: 1px solid var(--border);
    backdrop-filter: blur(5px);
}

.config-section h2 {
    font-size: 1.3rem;
    margin-bottom: 5px;
    color: var(--accent);
}

.section-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

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

.config-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.config-group input[type="number"],
.config-group input[type="text"],
.config-group select {
    width: 100%;
    max-width: 200px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 1rem;
}

.config-group input[type="number"]:focus,
.config-group input[type="text"]:focus,
.config-group select:focus {
    outline: none;
    border-color: var(--accent);
}

.config-group .hint {
    display: block;
    margin-top: 6px;
    font-size: 0.8rem;
    color: var(--text-hint);
}

.slider-group input[type="range"] {
    width: 100%;
    max-width: 400px;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-card);
    appearance: none;
    cursor: pointer;
}

.slider-group input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    transition: transform 0.1s;
}

.slider-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

/* Color Card */
.color-card {
    background: rgba(42, 42, 42, 0.9);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    border: 1px solid var(--border);
}

.color-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
}

.color-card-header input[type="text"] {
    font-size: 1.1rem;
    font-weight: 500;
    background: transparent;
    border: 1px solid transparent;
    padding: 5px 10px;
    max-width: none;
    flex: 1;
    color: var(--text-primary);
}

.color-card-header input[type="text"]:hover {
    border-color: var(--border);
}

.color-card-header input[type="text"]:focus {
    border-color: var(--accent);
    background: var(--bg-secondary);
}

.btn-delete {
    background: transparent;
    color: var(--danger);
    border: none;
    padding: 5px 10px;
    font-size: 1.2rem;
    cursor: pointer;
}

.btn-delete:hover {
    color: #ff6b6b;
}

.color-row {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.color-preview {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    border: 2px solid var(--border);
    cursor: pointer;
    position: relative;
}

.color-preview input[type="color"] {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.color-values {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.color-value-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.color-value-group label {
    font-size: 0.75rem;
    color: var(--text-hint);
    margin: 0;
}

.color-value-group input {
    width: 70px;
    padding: 6px 8px;
    font-size: 0.9rem;
}

/* Theme Card */
.theme-card {
    background: rgba(42, 42, 42, 0.9);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    border: 1px solid var(--border);
}

.theme-hues {
    margin: 15px 0;
}

.theme-hues-label {
    font-size: 0.9rem;
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.theme-hue-list {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.theme-hue-item {
    display: flex;
    align-items: center;
    gap: 5px;
    background: var(--bg-secondary);
    padding: 8px 12px;
    border-radius: 6px;
}

.theme-hue-item .color-preview {
    width: 30px;
    height: 30px;
}

.theme-hue-item input[type="number"] {
    width: 60px;
    padding: 5px;
    font-size: 0.85rem;
}

.theme-hue-item .btn-delete {
    font-size: 1rem;
    padding: 2px 6px;
}

.btn-add-hue {
    background: transparent;
    color: var(--success);
    border: 1px dashed var(--success);
    padding: 8px 15px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
}

.btn-add-hue:hover {
    background: rgba(74, 222, 128, 0.1);
}

.theme-options {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border);
}

.theme-option {
    display: flex;
    align-items: center;
    gap: 8px;
}

.theme-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

.theme-option label {
    font-size: 0.9rem;
    margin: 0;
}

.theme-option input[type="number"] {
    width: 60px;
    padding: 5px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: rgba(30, 30, 30, 0.95);
    border-radius: 12px;
    padding: 25px;
    width: 90%;
    max-width: 600px;
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.modal-content h3 {
    margin-bottom: 15px;
    color: var(--accent);
}

.modal-content textarea {
    width: 100%;
    height: 300px;
    padding: 15px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.85rem;
    resize: vertical;
}

.modal-content textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 15px;
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 15px;
    }

    header h1 {
        font-size: 1.4rem;
    }

    .file-actions {
        flex-direction: column;
    }

    .file-actions .btn {
        width: 100%;
    }

    .config-section {
        padding: 15px;
    }

    .color-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .theme-options {
        flex-direction: column;
        gap: 10px;
    }
}