/**
 * Settings UI Styles
 */

.settings-ui {
    padding: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

/* Header (reuse from settings-models) */
.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.settings-header h2 {
    font-size: 24px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
    margin: 0;
    letter-spacing: -0.01em;
}

.header-actions {
    display: flex;
    gap: 12px;
}

.btn-reset,
.btn-save {
    padding: 10px 18px;
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-reset {
    background: var(--bg-secondary, #f5f5f5);
    color: var(--text-primary, #1a1a1a);
}

.btn-reset:hover {
    background: var(--bg-hover, #e8e8e8);
}

.btn-save {
    background: var(--accent-color, #4a90e2);
    color: #ffffff;
    border-color: var(--accent-color, #4a90e2);
}

.btn-save:hover {
    background: var(--accent-dark, #3a7bc8);
    transform: translateY(-1px);
}

/* Settings Sections */
.settings-sections {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.settings-section {
    background: rgba(11, 18, 32, 0.78);
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 8px 24px rgba(8, 15, 35, 0.2);
    backdrop-filter: blur(12px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.settings-section:hover {
    border-color: rgba(148, 163, 184, 0.28);
    box-shadow: 0 12px 32px rgba(8, 15, 35, 0.3);
}

.settings-section h3 {
    font-size: 20px;
    color: rgba(226, 232, 240, 0.95);
    letter-spacing: -0.01em;
    font-weight: 600;
    color: var(--text-primary, #1a1a1a);
    margin: 0 0 20px 0;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-light, #f0f0f0);
}

/* Settings Group */
.settings-group {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Setting Item */
.setting-item {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.setting-label {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.label-text {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary, #1a1a1a);
}

.label-hint {
    font-size: 12px;
    font-weight: 400;
    color: var(--text-secondary, #666666);
}

/* Theme Selector */
.theme-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.theme-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px;
    background: var(--bg-secondary, #f9f9f9);
    border: 2px solid var(--border-color, #e0e0e0);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.theme-option:hover {
    background: var(--bg-hover, #f0f0f0);
    border-color: var(--border-hover, #d0d0d0);
}

.theme-option.active {
    background: var(--accent-light, #e3f2fd);
    border-color: var(--accent-color, #4a90e2);
}

.theme-icon {
    font-size: 32px;
}

.theme-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary, #1a1a1a);
}

/* Font Size Slider */
.font-size-slider {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--bg-secondary, #f0f0f0);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.font-size-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent-color, #4a90e2);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
}

.font-size-slider::-webkit-slider-thumb:hover {
    background: var(--accent-dark, #3a7bc8);
    transform: scale(1.1);
}

.font-size-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--accent-color, #4a90e2);
    border: none;
    border-radius: 50%;
    cursor: pointer;
}

.slider-marks {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    padding: 0 4px;
}

.slider-marks span {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-tertiary, #999999);
}

/* Select Inputs */
.density-select,
.language-select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary, #f9f9f9);
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-primary, #1a1a1a);
    cursor: pointer;
    transition: all 0.2s ease;
}

.density-select:hover,
.language-select:hover {
    border-color: var(--border-hover, #d0d0d0);
}

.density-select:focus,
.language-select:focus {
    outline: none;
    border-color: var(--accent-color, #4a90e2);
    background: var(--bg-card, #ffffff);
}

/* Toggle Items */
.toggle-item {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--bg-secondary, #f9f9f9);
    border: 1px solid var(--border-light, #f0f0f0);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.toggle-item:hover {
    background: var(--bg-hover, #f0f0f0);
}

.toggle-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.3s;
    border-radius: 28px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: var(--accent-color, #4a90e2);
}

input:checked + .toggle-slider:before {
    transform: translateX(24px);
}

/* Preview Section */
.settings-preview {
    margin-top: 8px;
}

.preview-box {
    background: var(--bg-secondary, #f9f9f9);
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 8px;
    padding: 20px;
}

.preview-message {
    display: flex;
    gap: 16px;
}

.preview-avatar {
    width: 40px;
    height: 40px;
    background: var(--accent-light, #e3f2fd);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.preview-content {
    flex: 1;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.preview-header strong {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary, #1a1a1a);
}

.preview-time {
    font-size: 12px;
    color: var(--text-tertiary, #999999);
}

.preview-text {
    font-size: 14px;
    color: var(--text-primary, #1a1a1a);
    line-height: 1.6;
    margin-bottom: 12px;
}

.preview-code {
    background: var(--bg-code, #282c34);
    color: #abb2bf;
    padding: 12px;
    border-radius: 6px;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 13px;
    line-height: 1.6;
    overflow-x: auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    .settings-ui {
        padding: 16px;
    }

    .settings-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .header-actions {
        width: 100%;
        flex-direction: column;
    }

    .btn-reset,
    .btn-save {
        width: 100%;
    }

    .theme-selector {
        grid-template-columns: 1fr;
    }

    .toggle-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .toggle-switch {
        align-self: flex-end;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .settings-ui {
        --bg-card: #2a2a2a;
        --bg-secondary: #1e1e1e;
        --bg-hover: #353535;
        --bg-code: #1e1e1e;
        --text-primary: #ffffff;
        --text-secondary: #b0b0b0;
        --text-tertiary: #808080;
        --border-color: #404040;
        --border-light: #353535;
        --border-hover: #505050;
        --accent-light: rgba(74, 144, 226, 0.2);
    }

    .settings-section {
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    }

    .preview-code {
        background: #1e1e1e;
        color: #abb2bf;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.settings-section {
    animation: fadeIn 0.3s ease;
}