/* Color Converter Styles */

/* Color Preview Section */
.color-preview-section {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    padding: 2rem;
    background-color: var(--bg-secondary);
    border-radius: 6px;
}

@media (max-width: 768px) {
    .color-preview-section {
        flex-direction: column;
    }
}

.color-preview {
    width: 120px;
    height: 120px;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.color-preview:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.color-info {
    flex: 1;
}

.color-info p {
    margin-bottom: 0.5rem;
}

.color-info p:first-child {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
}

.brightness-info {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Input Section */
.input-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.input-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.input-wrapper {
    display: flex;
    gap: 0.5rem;
}

.input-group input[type="text"],
.input-group input[type="color"] {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    transition: all 0.3s ease;
}

.input-group input[type="text"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-group input[type="color"] {
    width: 100%;
    height: auto;
    min-height: 2.5rem;
    cursor: pointer;
}

/* Sliders Section */
.sliders-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    border-radius: 6px;
}

.sliders-section h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.slider-group {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.slider-item {
    display: flex;
    flex-direction: column;
}

.slider-item label {
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.slider-control {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.slider-control input[type="range"] {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: linear-gradient(to right, var(--border-color), var(--primary));
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.slider-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.slider-control input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.slider-value {
    min-width: 50px;
    text-align: right;
    font-weight: 600;
    color: var(--primary);
    font-family: 'Courier New', monospace;
}

/* Color Space Section */
.color-space-section {
    margin-bottom: 2rem;
}

.color-space-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.color-space-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.color-space-card {
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-align: center;
}

.color-space-card h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--primary);
}

.color-value {
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    padding: 0.75rem;
    background-color: var(--bg-primary);
    border-radius: 4px;
    margin-bottom: 0.75rem;
    word-break: break-all;
    color: var(--text-primary);
}

/* Palettes Section */
.palettes-section {
    margin: 2rem 0;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.palettes-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.palette-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.palette-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.palette-color {
    padding: 1rem;
    border-radius: 6px;
    border: 2px solid var(--border-color);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.palette-color:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border-color: var(--primary);
}

.palette-hex {
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 0.5rem;
}

/* Button Styling */
.button-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.875rem;
}

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

.btn-primary:hover {
    background-color: var(--secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

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

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

/* Error Message */
.error-message {
    margin-top: 1rem;
    padding: 0.75rem;
    background-color: #fee;
    color: #c33;
    border-radius: 4px;
    font-size: 0.875rem;
    display: none;
    border-left: 4px solid #c33;
}

.error-message.show {
    display: block;
}

/* Unit Definition */
.unit-definition {
    background-color: var(--bg-secondary);
    border-left: 4px solid var(--primary);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: 6px;
}

.unit-definition h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--primary);
}

.unit-definition p {
    margin-bottom: 0.5rem;
    line-height: 1.6;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.unit-definition strong {
    color: var(--text-primary);
}

/* Quick Reference */
.quick-reference {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    border-radius: 6px;
}

.quick-reference h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.quick-ref-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.quick-ref-item {
    padding: 1rem;
    background-color: var(--bg-primary);
    border-radius: 4px;
    border-left: 4px solid var(--primary);
}

.quick-ref-item p {
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--primary);
}

.ref-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.ref-list li {
    padding: 0.25rem 0;
}

/* Sidebar Color Palette */
.color-palette-mini {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

.color-dot {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 6px;
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.color-dot:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border-color: var(--primary);
}

/* Tips List */
.tips-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.tips-list li {
    margin-bottom: 0.5rem;
    padding-left: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .input-row {
        grid-template-columns: 1fr;
    }

    .color-space-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .palette-buttons {
        grid-template-columns: repeat(2, 1fr);
    }

    .button-group {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .color-preview-section {
        gap: 1rem;
        padding: 1rem;
    }

    .color-space-grid {
        grid-template-columns: 1fr;
    }

    .quick-ref-grid {
        grid-template-columns: 1fr;
    }
}

/* Utility Classes */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}