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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #1e1e2e 0%, #2a2a3e 100%);
    color: #e0e0e0;
    overflow: hidden;
}

/* Title Bar */
.title-bar {
    -webkit-app-region: drag;
    background: rgba(0, 0, 0, 0.3);
    padding: 8px 12px;
    padding-left: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    height: 36px;
}

.title {
    color: #e0e0e0;
    font-family: 'Libre Baskerville', serif;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.app-logo {
    width: 19px;
    height: 19px;
    border-radius: 6px;
    opacity: 0.8;
}

.controls {
    -webkit-app-region: no-drag;
    display: flex;
    gap: 8px;
    margin-right: -10px;
}

.control-btn {
    width: 28px;
    height: 28px;
    border: none;
    background: rgba(255, 255, 255, 0.05);
    color: #a0a0a0;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all 0.2s ease;
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.close-btn:hover {
    background: #e74c3c;
    color: white;
}

#settings-app {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.settings-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 24px;
    flex: 1;
    overflow-y: auto;
    max-height: calc(100vh - 36px); /* Account for title bar height */
}

.settings-section {
    margin-bottom: 24px;
}

.settings-section h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #e0e0e0;
    letter-spacing: 0.3px;
}

/* 2-Column Grid for Color Pickers */
.color-grid-2col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}

.color-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.color-item label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #a0a0a0;
    text-align: center;
}

.color-item input[type="color"] {
    width: 80px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: transparent;
    cursor: pointer;
    padding: 4px;
    transition: all 0.2s ease;
}

.color-item input[type="color"]:hover {
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.color-item input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-item input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 6px;
}

/* Buttons */
.btn-secondary,
.btn-danger,
.btn-coffee {
    width: 100%;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #e0e0e0;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

.btn-danger {
    background: transparent;
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.5);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.7);
}

.btn-coffee {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: #1a1a1a;
}

.btn-coffee:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 165, 0, 0.4);
}

.btn-coffee svg {
    flex-shrink: 0;
}

/* Divider */
.divider {
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.15);
    margin: 24px 0;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Disclaimer */
.disclaimer {
    font-size: 11px;
    color: #666;
    text-align: center;
    line-height: 1.5;
}

.disclaimer strong {
    color: #888;
}

/* Disclaimer spacing */
.disclaimer {
    margin-top: 16px;
}

/* Setting Groups */
.setting-group {
    margin-bottom: 24px;
}

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

.setting-group h3 {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #e5e7eb;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.setting-description {
    color: #9ca3af;
    font-size: 12px;
    margin-bottom: 12px;
    line-height: 1.4;
}

/* Radio Buttons */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.radio-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: all 0.2s;
    background: rgba(255, 255, 255, 0.03);
}

.radio-item:hover {
    background: rgba(139, 92, 246, 0.1);
    border-color: rgba(139, 92, 246, 0.3);
}

.radio-item input[type="radio"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    margin: 0;
    flex-shrink: 0;
    accent-color: #8b5cf6;
}

.radio-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.radio-label {
    font-weight: 500;
    color: #e5e7eb;
    font-size: 13px;
}

.radio-sublabel {
    font-size: 11px;
    color: #9ca3af;
}

/* Slider */
.slider-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 12px;
    margin-bottom: 20px;
}

.slider-container input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    -webkit-appearance: none;
}

.slider-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #8b5cf6;
    cursor: pointer;
    transition: background 0.2s;
}

.slider-container input[type="range"]::-webkit-slider-thumb:hover {
    background: #a78bfa;
}

.slider-container input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #8b5cf6;
    cursor: pointer;
    border: none;
    transition: background 0.2s;
}

.slider-container input[type="range"]::-moz-range-thumb:hover {
    background: #a78bfa;
}

.slider-value {
    text-align: center;
    font-size: 14px;
    color: #e5e7eb;
}

.slider-value span {
    font-weight: 600;
    color: #8b5cf6;
    font-size: 16px;
}

/* Toggle Switch */
.toggle-switch {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.toggle-switch input[type="checkbox"] {
    display: none;
}

.toggle-slider {
    position: relative;
    width: 48px;
    height: 24px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    transition: background 0.3s;
    flex-shrink: 0;
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #9ca3af;
    top: 2px;
    left: 2px;
    transition: all 0.3s;
}

.toggle-switch input[type="checkbox"]:checked + .toggle-slider {
    background: rgba(139, 92, 246, 0.3);
}

.toggle-switch input[type="checkbox"]:checked + .toggle-slider::before {
    background: #8b5cf6;
    transform: translateX(24px);
}

.toggle-label {
    font-size: 13px;
    color: #9ca3af;
    transition: color 0.3s;
}

.toggle-switch input[type="checkbox"]:checked ~ .toggle-label {
    color: #8b5cf6;
}

/* Custom Scrollbar */
.settings-container::-webkit-scrollbar {
    width: 8px;
}

.settings-container::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

.settings-container::-webkit-scrollbar-thumb {
    background: rgba(139, 92, 246, 0.3);
    border-radius: 4px;
    transition: background 0.3s;
}

.settings-container::-webkit-scrollbar-thumb:hover {
    background: rgba(139, 92, 246, 0.5);
}

/* Collapsible Sections */
.collapsible-section {
    margin-top: 20px;
    margin-bottom: 20px;
}

.collapsible-section:first-child {
    margin-top: 0;
}

/* Add extra space when a setting-group follows a collapsible-section */
.collapsible-section + .setting-group {
    margin-top: 28px;
}

.collapsible-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    color: #e5e7eb;
    font-size: 13px;
    font-weight: 600;
}

.collapsible-header:hover {
    background: rgba(139, 92, 246, 0.1);
    border-color: rgba(139, 92, 246, 0.3);
}

.collapsible-header span {
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.collapsible-header .chevron {
    transition: transform 0.3s ease;
    color: #9ca3af;
}

.collapsible-header.active .chevron {
    transform: rotate(180deg);
}

.collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 16px;
}

.collapsible-content.active {
    max-height: 1000px;
    padding: 16px;
    padding-top: 16px;
}

/* Setting Item Spacing */
.setting-item {
    margin-bottom: 12px;
}

.setting-item:last-child {
    margin-bottom: 0;
}

.setting-item .setting-description {
    margin: 4px 0 0 60px;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.4;
}

/* Theme Grid */
.theme-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}

.theme-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.theme-item label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #a0a0a0;
    text-align: center;
}

.theme-item input[type="color"] {
    width: 80px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: transparent;
    cursor: pointer;
    padding: 4px;
    transition: all 0.2s ease;
}

.theme-item input[type="color"]:hover {
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.theme-item input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

.theme-item input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 6px;
}