:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --bg-primary: #ffffff;
    --bg-secondary: #f3f4f6;
    --bg-tertiary: #e5e7eb;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --border-color: #d1d5db;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Ubuntu Font - Local Fallback */
@font-face {
    font-family: 'Ubuntu';
    font-style: normal;
    font-weight: 300;
    font-display: swap;
    src: local('Ubuntu Light'), local('Ubuntu-Light'),
         url('./fonts/Ubuntu-Light.ttf') format('truetype');
}

@font-face {
    font-family: 'Ubuntu';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: local('Ubuntu Regular'), local('Ubuntu-Regular'),
         url('./fonts/Ubuntu-Regular.ttf') format('truetype');
}

@font-face {
    font-family: 'Ubuntu';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: local('Ubuntu Medium'), local('Ubuntu-Medium'),
         url('./fonts/Ubuntu-Medium.ttf') format('truetype');
}

@font-face {
    font-family: 'Ubuntu';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: local('Ubuntu Bold'), local('Ubuntu-Bold'),
         url('./fonts/Ubuntu-Bold.ttf') format('truetype');
}

[data-theme="dark"] {
    --primary-color: #818cf8;
    --secondary-color: #a78bfa;
    --success-color: #34d399;
    --warning-color: #fbbf24;
    --danger-color: #f87171;
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-tertiary: #374151;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-tertiary: #9ca3af;
    --border-color: #4b5563;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
}

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

/* Material Icons */
.material-symbols-outlined {
    font-variation-settings:
    'FILL' 0,
    'wght' 400,
    'GRAD' 0,
    'opsz' 24;
    user-select: none;
}

body {
    font-family: 'Ubuntu', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    overflow: hidden;
}

.sphinx-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-controls {
    display: flex;
    gap: 12px;
    align-items: center;
}

.theme-selector {
    position: relative;
}

.theme-toggle {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    transform: scale(1.05);
}

.theme-toggle .material-symbols-outlined {
    font-size: 20px;
}

.theme-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 8px;
    min-width: 150px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.theme-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.theme-option {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 10px 12px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
}

.theme-option:hover {
    background: var(--bg-tertiary);
}

.theme-option .material-symbols-outlined {
    font-size: 20px;
}

.theme-option.active {
    background: var(--primary-color);
    color: white;
}

.main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

@media (max-width: 768px) {
    .main-grid {
        grid-template-columns: 1fr;
    }
}

.card {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.timer-display {
    text-align: center;
    padding: 40px 20px;
}

.timer-mode {
    display: inline-block;
    padding: 6px 16px;
    background: var(--bg-tertiary);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.timer-mode.work {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.timer-mode.break {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.timer-mode.long-break {
    background: rgba(139, 92, 246, 0.1);
    color: var(--secondary-color);
}

.timer-time {
    font-size: 72px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 30px;
}

.timer-controls {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 30px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn .material-symbols-outlined {
    font-size: 20px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 10px 20px -5px rgba(99, 102, 241, 0.4), 0 0 20px rgba(99, 102, 241, 0.3);
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--border-color);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15), 0 0 15px rgba(156, 163, 175, 0.3);
    color: var(--text-primary);
}

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

.btn-danger:hover {
    background: #dc2626;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.4), 0 0 20px rgba(239, 68, 68, 0.3);
}

.btn-icon {
    padding: 10px;
    border-radius: 10px;
}

.session-settings {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.setting-label {
    font-size: 12px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.setting-input {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.setting-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

button:hover {
    transform: scale(1.05);
    transition: all 0.2s ease;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.stat-item {
    background: var(--bg-primary);
    padding: 16px;
    border-radius: 12px;
    text-align: center;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.task-input-group {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.task-input {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 14px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.task-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.mode-toggle-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1), 0 0 10px rgba(99, 102, 241, 0.2);
}

.mode-toggle-btn.active:hover {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4), 0 0 15px rgba(99, 102, 241, 0.3);
}

.mode-settings-btn:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1), 0 0 10px rgba(99, 102, 241, 0.2);
}

.modal-close:hover, .modal-info:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1), 0 0 10px rgba(99, 102, 241, 0.2);
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1), 0 0 10px rgba(99, 102, 241, 0.2);
}

.theme-option:hover {
    background: var(--bg-tertiary);
    transform: scale(1.02);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.task-delete:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    transform: scale(1.1);
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.2);
}

.toggle-switch:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.task-checkbox:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.version-badge:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--primary-color);
    transform: translateY(-1px) scale(1.05);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.2), 0 0 10px rgba(99, 102, 241, 0.3);
}

.task-list {
    flex: 1;
    overflow-y: auto;
    min-height: 200px;
}

.task-item {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 12px 16px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.3s ease;
    cursor: grab;
    user-select: none;
}

.task-item:hover {
    background: var(--bg-tertiary);
}

.task-item:active {
    cursor: grabbing;
}

.task-item.dragging {
    opacity: 0.5;
    cursor: grabbing;
    transform: scale(1.02);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.task-item.drag-over {
    border: 2px dashed var(--primary-color);
    background: var(--bg-tertiary);
    transform: scale(1.02);
}

.task-item.completed {
    opacity: 0.6;
}

.task-item.completed .task-text {
    text-decoration: line-through;
}

.task-checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    margin-right: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.task-checkbox.checked {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.task-checkbox.checked::after {
    content: '✓';
    color: white;
    font-size: 14px;
}

.task-content {
    display: flex;
    align-items: center;
    flex: 1;
}

.task-text {
    flex: 1;
    color: var(--text-primary);
}

.task-delete {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.task-delete:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.chart-container {
    height: 400px;
    margin-top: 20px;
    position: relative;
}

.progress-ring {
    width: 200px;
    height: 200px;
    margin: 0 auto;
}

.progress-ring-circle {
    transition: stroke-dashoffset 0.35s;
    transform: rotate(-90deg);
    transform-origin: 50% 50%;
}

.session-history {
    max-height: 400px;
    overflow-y: auto;
}

.session-item {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.session-info {
    flex: 1;
}

.session-date {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-bottom: 4px;
}

.session-details {
    font-size: 14px;
    color: var(--text-secondary);
}

.session-duration {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
}

.export-import-controls {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px 20px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    z-index: 1000;
}

.notification.show {
    transform: translateX(0);
}

.notification-icon {
    font-size: 24px;
}

.notification-content {
    flex: 1;
}

.notification-title {
    font-weight: 600;
    margin-bottom: 2px;
}

.notification-message {
    font-size: 14px;
    color: var(--text-secondary);
}

.settings-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    align-items: center;
    justify-content: center;
}

.settings-modal.show {
    display: flex;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: 20px;
    padding: 30px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

/* Desktop landscape layout for settings modal */
@media (min-width: 768px) {
    #settingsModal .modal-content {
        max-width: 900px;
        width: 85%;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 30px;
        padding: 40px;
    }

    #settingsModal .storage-usage-section {
        grid-column: 1 / -1;
        margin-bottom: 0;
    }

    #settingsModal .settings-section {
        margin-bottom: 0;
    }

    #settingsModal .settings-section:nth-child(3) { /* Notifications */
        grid-column: 1;
    }

    #settingsModal .settings-section:nth-child(4) { /* Timer Settings */
        grid-column: 2;
    }

    #settingsModal .settings-section:nth-child(5) { /* Quality Tracking */
        grid-column: 1;
    }

    #settingsModal .settings-section:nth-child(6) { /* Sessions */
        grid-column: 2;
    }

    #settingsModal .settings-section:nth-child(7) { /* Data Management */
        grid-column: 1 / -1;
    }

    #settingsModal .settings-section:last-child { /* Clear All Data */
        grid-column: 1 / -1;
        margin-top: 20px;
        padding-top: 20px;
        border-top: 1px solid var(--border-color);
    }
}

/* Wider modal for changelog */
#changelogModal .modal-content {
    max-width: 900px;
    width: 85%;
    /* Prevent double scrollbar: only inner .changelog-content should scroll */
    overflow-y: hidden;
}

/* Prevent double scrollbar on Storage Info modal: only inner content should scroll */
#storageInfoModal .modal-content {
    overflow-y: hidden;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.modal-title {
    font-size: 24px;
    font-weight: 600;
}

.modal-info, .modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--primary-color);
    cursor: pointer;
    padding: 4px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.modal-info:hover, .modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

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

.settings-section-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.toggle-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
}

.toggle-label {
    font-size: 14px;
    color: var(--text-primary);
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 24px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.toggle-switch.active {
    background: var(--primary-color);
}

.toggle-switch-handle {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.toggle-switch.active .toggle-switch-handle {
    transform: translateX(24px);
}

.hidden {
    display: none;
}

/* Modal Logo */
.modal-logo {
    text-align: center;
    margin-bottom: 24px;
    background: transparent;
}

.modal-logo-img {
    width: 360px;
    height: auto;
    border-radius: 20px;
    background: transparent;
    transition: filter 0.3s ease;
}

.modal-logo-img:hover {
    filter: drop-shadow(0 10px 30px rgba(99, 102, 241, 0.4));
}

/* Disclaimer Modal */
.disclaimer-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.disclaimer-modal.show {
    display: flex;
}

.disclaimer-content {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: 32px;
    max-width: 900px;
    width: 85%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.3s ease;
    padding-right: 48px; /* spacing from scrollbar */
    scrollbar-gutter: stable both-edges;
}

/* Beautiful custom scrollbar for disclaimer */
.disclaimer-content::-webkit-scrollbar {
    width: 8px;
}

.disclaimer-content::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.disclaimer-content::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
}

.disclaimer-content::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

/* Firefox scrollbar */
.disclaimer-content {
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--bg-tertiary);
}

.disclaimer-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary-color);
    text-align: center;
}

.disclaimer-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.disclaimer-text p {
    margin-bottom: 16px;
}

.disclaimer-text p:last-child {
    margin-bottom: 0;
}

.disclaimer-text strong {
    color: var(--primary-color);
    font-weight: 600;
}

.disclaimer-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.disclaimer-actions .btn {
    flex: 1;
    max-width: 150px;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Responsive disclaimer */
@media (max-width: 768px) {
    .modal-logo-img {
        width: 240px;
    }
    
    .disclaimer-content {
        margin: 20px;
        padding: 24px;
        padding-right: 38px;
        max-width: calc(100% - 40px);
        width: 95%;
        scrollbar-gutter: stable both-edges;
    }
    
    .disclaimer-title {
        font-size: 22px;
    }
    
    .disclaimer-text {
        font-size: 14px;
    }
    
    .disclaimer-actions {
        flex-direction: column-reverse;
    }
    
    .disclaimer-actions .btn {
        max-width: 100%;
    }
    
    /* Mobile improvements */
    .container {
        padding: 16px;
    }
    
    .header {
        padding: 16px 0;
        margin-bottom: 20px;
    }
    
    .logo-text {
        font-size: 20px;
    }
    
    .logo-icon {
        width: 36px;
        height: 36px;
    }
    
    .card {
        padding: 20px;
    }
    
    .card-title {
        font-size: 18px;
        margin-bottom: 16px;
    }
    
    .timer-display {
        padding: 30px 16px;
    }
    
    .timer-time {
        font-size: 56px;
        margin-bottom: 20px;
    }
    
    .timer-controls {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .btn {
        padding: 10px 16px;
        font-size: 14px;
    }
    
    .btn .material-symbols-outlined {
        font-size: 18px;
    }
    
    .session-settings {
        gap: 8px;
    }
    
    .setting-label {
        font-size: 11px;
    }
    
    .setting-input {
        padding: 8px;
        font-size: 13px;
    }
    
    .stats-grid {
        gap: 12px;
    }
    
    .stat-item {
        padding: 12px;
    }
    
    .stat-value {
        font-size: 24px;
    }
    
    .stat-label {
        font-size: 13px;
    }
    
    .quality-stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 12px;
    }
    
    .chart-container {
        height: 250px;
    }
    
    .progress-ring {
        width: 160px;
        height: 160px;
    }
    
    .export-import-controls {
        flex-direction: column;
    }
    
    .export-import-controls .btn {
        width: 100%;
    }
}

/* Version Badge */
.version-badge {
    display: flex;
    align-items: center;
    padding: 6px 12px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-right: 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-color);
}

.version-badge:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.2);
}

.version-text {
    font-family: 'Ubuntu Mono', monospace;
    letter-spacing: 0.5px;
}

/* Changelog Modal */
.changelog-content {
    max-height: 70vh;
    overflow-y: auto;
    padding: 20px 0;
    padding-right: 16px; /* spacing from scrollbar */
    scrollbar-gutter: stable both-edges; /* keep space for styled scrollbar */
}

/* Beautiful custom scrollbar */
.changelog-content::-webkit-scrollbar {
    width: 8px;
}

.changelog-content::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.changelog-content::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
}

.changelog-content::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

/* Firefox scrollbar */
.changelog-content {
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--bg-tertiary);
}

.changelog-version {
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 2px solid var(--border-color);
}

.changelog-version:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.version-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.version-header h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.version-badge-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.version-badge-tag.current {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

.version-date {
    font-size: 14px;
    color: var(--text-secondary);
    font-style: italic;
}

.changelog-section {
    margin-bottom: 20px;
    break-inside: avoid;
}

.changelog-section h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
}

/* Two-column layout for better space usage */
@media (min-width: 769px) {
    .changelog-version {
        column-gap: 40px;
    }
    
    .changelog-version:first-child {
        column-count: 2;
    }
}

.changelog-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.changelog-section li {
    padding: 8px 0 8px 24px;
    position: relative;
    line-height: 1.6;
    color: var(--text-primary);
}

.changelog-section li::before {
    content: '•';
    position: absolute;
    left: 8px;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 18px;
}

.changelog-section li strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* Responsive changelog */
@media (max-width: 768px) {
    .version-badge {
        padding: 4px 10px;
        font-size: 12px;
        margin-right: 8px;
    }
    
    #changelogModal .modal-content {
        max-width: 95%;
        width: 95%;
        padding: 20px;
        /* Prevent double scrollbar on mobile as well */
        overflow-y: hidden;
    }
    
    .changelog-content {
        max-height: 65vh;
        padding-right: 14px;
        scrollbar-gutter: stable both-edges;
    }
    
    .version-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .version-header h3 {
        font-size: 18px;
    }
    
    .changelog-section h4 {
        font-size: 15px;
    }
    
    .changelog-section li {
        font-size: 14px;
    }
}

/* Quality Dialog Modal */
.quality-dialog-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.quality-dialog-modal.show {
    display: flex;
}

.quality-dialog-modal .modal-content {
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.quality-dialog-content {
    padding: 24px;
}

.quality-dialog-message {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    text-align: center;
}

.quality-slider-container {
    margin-bottom: 32px;
    position: relative;
}

.quality-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    text-align: center;
}

.quality-value-display {
    position: absolute;
    top: 45px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    z-index: 1;
    pointer-events: none;
}

.quality-slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--bg-tertiary);
    outline: none;
    margin: 80px 0 20px 0;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

.quality-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.quality-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.6);
}

.quality-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.quality-slider::-moz-range-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.6);
}

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

.quality-scale span {
    font-size: 12px;
    color: var(--text-tertiary);
    font-weight: 500;
}

.quality-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.quality-buttons .btn {
    flex: 1;
    max-width: 200px;
}

/* Quality Dialog Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.quality-dialog-modal .modal-content {
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Settings Disclaimer */
.settings-disclaimer {
    margin-top: 12px;
    padding: 12px;
    background: var(--bg-secondary);
    border-left: 3px solid var(--primary-color);
    border-radius: 4px;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Quality Stats Grid */
.quality-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.quality-empty-state {
    display: none;
    text-align: center;
    padding: 48px 24px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.quality-empty-state.show {
    display: flex;
}

/* Storage Usage Section in Settings */
.storage-usage-section {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
}

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

.storage-usage-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.storage-usage-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--success-color);
    transition: color 0.3s ease;
}

.storage-progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.storage-progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
    transition: width 0.5s ease, background 0.3s ease;
}

.storage-usage-details {
    font-size: 12px;
    color: var(--text-tertiary);
    text-align: center;
}

/* Storage Info Modal */
.storage-info-content {
    max-height: 70vh;
    overflow-y: auto;
    padding: 20px 0;
    padding-right: 16px; /* spacing from scrollbar */
    scrollbar-gutter: stable both-edges;
}

.storage-info-content::-webkit-scrollbar {
    width: 8px;
}

.storage-info-content::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.storage-info-content::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
}

.storage-info-section {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.storage-info-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.storage-info-section h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.storage-info-section p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.storage-info-section p:last-child {
    margin-bottom: 0;
}

/* Storage Limits Grid */
.storage-limits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 16px;
}

.limit-item {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.limit-label {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-bottom: 4px;
}

.limit-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
}

/* Storage Features List */
.storage-features-list {
    list-style: none;
    padding: 0;
    margin: 12px 0 0 0;
}

.storage-features-list li {
    padding: 8px 0 8px 28px;
    position: relative;
    line-height: 1.6;
    color: var(--text-primary);
}

.storage-features-list li::before {
    content: '✓';
    position: absolute;
    left: 8px;
    color: var(--success-color);
    font-weight: bold;
    font-size: 16px;
}

/* Storage Cleanup Stages */
.storage-cleanup-stages {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cleanup-stage {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.stage-badge {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
    text-align: center;
    min-width: 60px;
}

.stage-badge.stage-light {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.stage-badge.stage-medium {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
    border: 1px solid var(--warning-color);
}

.stage-badge.stage-aggressive {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
}

.stage-description {
    flex: 1;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
}

.stage-description strong {
    color: var(--primary-color);
}

/* Storage Info Note */
.storage-info-note {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 8px;
    padding: 12px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.storage-info-note span {
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.5;
}

/* ============================================
   Info Modal with Tabs (Landscape on Desktop)
   ============================================ */

/* Make info modal wider on desktop for landscape layout */
#storageInfoModal .modal-content.info-modal-content {
    max-width: 1000px;
    width: 90%;
}

/* Tab Navigation */
.info-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0;
}

.info-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    position: relative;
    bottom: -2px;
}

.info-tab:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.info-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 600;
}

.info-tab .material-symbols-outlined {
    font-size: 20px;
}

/* Tab Content */
.info-tab-content {
    display: none;
}

.info-tab-content.active {
    display: block;
}

/* Fibonacci Info Content (similar to storage-info-content) */
.fibonacci-info-content {
    max-height: 65vh;
    overflow-y: auto;
    padding: 20px 0;
    padding-right: 16px;
    scrollbar-gutter: stable both-edges;
}

.fibonacci-info-content::-webkit-scrollbar {
    width: 8px;
}

.fibonacci-info-content::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.fibonacci-info-content::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
}

.fibonacci-info-content::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

.fibonacci-info-content {
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--bg-tertiary);
}

/* Fibonacci Steps List */
.fibonacci-steps {
    list-style: none;
    padding: 0;
    margin: 12px 0;
    counter-reset: step-counter;
}

.fibonacci-steps li {
    padding: 12px 0 12px 40px;
    position: relative;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.fibonacci-steps li::before {
    counter-increment: step-counter;
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 12px;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

/* Desktop Landscape Layout */
@media (min-width: 1024px) {
    #storageInfoModal .modal-content.info-modal-content {
        max-width: 1200px;
        max-height: 85vh;
    }
    
    .storage-info-content,
    .fibonacci-info-content {
        max-height: 70vh;
    }
}

/* Tablet adjustments */
@media (max-width: 768px) {
    #storageInfoModal .modal-content.info-modal-content {
        max-width: 95%;
        width: 95%;
    }
    
    .info-tabs {
        gap: 4px;
    }
    
    .info-tab {
        padding: 10px 12px;
        font-size: 14px;
        flex-direction: column;
        gap: 4px;
    }
    
    .info-tab .material-symbols-outlined {
        font-size: 18px;
    }
    
    .info-tab span:not(.material-symbols-outlined) {
        font-size: 12px;
    }
}

/* Mobile adjustments */
@media (max-width: 480px) {
    .info-tab {
        padding: 8px;
    }
    
    .info-tab span:not(.material-symbols-outlined) {
        display: none;
    }
    
    .fibonacci-steps li {
        padding-left: 36px;
        font-size: 14px;
    }
    
    .fibonacci-steps li::before {
        width: 24px;
        height: 24px;
        font-size: 12px;
    }
}
/* ============================================
   BlurControl Styles
   ============================================ */

/* Blur Control Layer - Overlay with backdrop blur */
.blur-control-layer {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 9000;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

[data-theme="dark"] .blur-control-layer {
    background-color: rgba(0, 0, 0, 0.5);
}

/* Focused elements - kept sharp and interactive */
.blur-control-focused {
    position: relative !important;
    z-index: 9001 !important;
    pointer-events: auto !important;
    filter: none !important;
    transition: all 0.3s ease;
}

/* Optional highlight for focused elements */
.blur-control-focused.blur-control-highlight {
    box-shadow: 0 0 0 3px var(--primary-color),
                0 10px 40px rgba(0, 0, 0, 0.3);
}

/* Ensure focused elements maintain their border radius */
.blur-control-focused:not([style*="border-radius"]) {
    border-radius: 12px;
}

/* Animation for blur activation */
@keyframes blurFadeIn {
    from {
        opacity: 0;
        backdrop-filter: blur(0px);
        -webkit-backdrop-filter: blur(0px);
    }
    to {
        opacity: 1;
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
    }
}

.blur-control-layer {
    animation: blurFadeIn 0.3s ease;
}

/* Focus mode indicator */
.blur-control-indicator {
    position: fixed;
    top: 80px;
    right: 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 8px 16px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 9002;
    opacity: 0;
    transform: translateX(300px);
    transition: all 0.3s ease;
    pointer-events: none;
}

.blur-control-indicator.show {
    opacity: 1;
    transform: translateX(0);
}

.blur-control-indicator .material-symbols-outlined {
    font-size: 18px;
    color: var(--primary-color);
}

.blur-control-indicator-text {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

/* Mobile adjustments for blur control */
@media (max-width: 480px) {
    .blur-control-indicator {
        top: 70px;
        right: 10px;
        padding: 6px 12px;
    }
    
    .blur-control-indicator-text {
        font-size: 12px;
    }
}


/* Extra small devices (phones in portrait, less than 480px) */
@media (max-width: 480px) {
    .container {
        padding: 12px;
    }
    
    .header {
        padding: 12px 0;
        margin-bottom: 16px;
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .logo-text {
        font-size: 18px;
    }
    
    .logo-icon {
        width: 32px;
        height: 32px;
    }
    
    .header-controls {
        gap: 8px;
    }
    
    .version-badge {
        padding: 4px 8px;
        font-size: 11px;
        margin-right: 0;
    }
    
    .card {
        padding: 16px;
        margin-bottom: 16px;
    }
    
    .card-title {
        font-size: 16px;
        margin-bottom: 12px;
    }
    
    .main-grid {
        gap: 16px;
        margin-bottom: 16px;
    }
    
    .timer-display {
        padding: 20px 12px;
    }
    
    .timer-mode {
        font-size: 12px;
        padding: 4px 12px;
        margin-bottom: 16px;
    }
    
    .timer-time {
        font-size: 48px;
        margin-bottom: 16px;
    }
    
    .timer-controls {
        gap: 6px;
        margin-bottom: 20px;
    }
    
    .btn {
        padding: 8px 12px;
        font-size: 13px;
        gap: 4px;
    }
    
    .btn .material-symbols-outlined {
        font-size: 16px;
    }
    
    .btn span:not(.material-symbols-outlined) {
        display: none;
    }
    
    .btn-icon span {
        display: inline !important;
    }
    
    .session-settings {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
        margin-bottom: 0;
    }
    
    .setting-label {
        font-size: 10px;
        line-height: 1.2;
    }
    
    .setting-input {
        padding: 6px 8px;
        font-size: 12px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        margin-bottom: 16px;
    }
    
    .stat-item {
        padding: 10px;
    }
    
    .stat-value {
        font-size: 20px;
        margin-bottom: 2px;
    }
    
    .stat-label {
        font-size: 11px;
        line-height: 1.3;
    }
    
    .quality-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        margin-bottom: 16px;
    }
    
    .quality-stats-grid .stat-item:nth-child(3) {
        grid-column: span 2;
    }
    
    .chart-container {
        height: 200px;
        margin-top: 16px;
    }
    
    .progress-ring {
        width: 140px;
        height: 140px;
    }
    
    .task-input-group {
        gap: 8px;
        margin-bottom: 16px;
    }
    
    .task-input {
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .task-list {
        min-height: 150px;
    }
    
    .task-item {
        padding: 10px 12px;
        margin-bottom: 6px;
    }
    
    .session-history {
        max-height: 300px;
    }
    
    .session-item {
        padding: 12px;
        margin-bottom: 8px;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .session-duration {
        font-size: 16px;
        align-self: flex-end;
    }
    
    .modal-content {
        width: 95%;
        padding: 20px;
        max-height: 85vh;
    }
    
    .modal-title {
        font-size: 18px;
    }
    
    #changelogModal .modal-content {
        width: 95%;
        padding: 16px;
    }
    
    .changelog-section li {
        font-size: 13px;
        padding: 6px 0 6px 20px;
    }
    
    .quality-dialog-modal .modal-content {
        width: 95%;
        padding: 16px;
    }
    
    .quality-dialog-content {
        padding: 16px;
    }
    
    .quality-dialog-message {
        font-size: 14px;
        margin-bottom: 24px;
    }
    
    .quality-value-display {
        font-size: 40px;
        top: 40px;
    }
    
    .quality-slider {
        margin: 70px 0 16px 0;
    }
    
    .quality-buttons .btn {
        max-width: none;
        flex: 1;
    }
    
    .notification {
        top: 10px;
        right: 10px;
        left: 10px;
        padding: 12px 16px;
        transform: translateY(-100px);
    }
    
    .notification.show {
        transform: translateY(0);
    }
    
    .notification-title {
        font-size: 14px;
    }
    
    .notification-message {
        font-size: 13px;
    }
    
    .storage-limits-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    /* Ensure spacing near scrollbar in storage info on mobile */
    .storage-info-content {
        padding-right: 14px;
        scrollbar-gutter: stable both-edges;
    }
    
    .limit-item {
        padding: 10px;
    }
    
    .limit-value {
        font-size: 18px;
    }
    
    .cleanup-stage {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .stage-badge {
        width: 100%;
    }
    
    .storage-info-section h3 {
        font-size: 16px;
    }
    
    .storage-info-section p,
    .storage-features-list li,
    .stage-description {
        font-size: 13px;
    }
}

/* ============================================
   Fibonacci Guided Mode Styles
   ============================================ */

/* Card Header with Toggle */
.card-header-with-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.card-header-with-toggle .card-title {
    margin-bottom: 0;
}

/* Mode Controls Container */
.mode-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Mode Toggle Buttons */
.mode-toggle-buttons {
    display: flex;
    gap: 4px;
    background: var(--bg-tertiary);
    padding: 4px;
    border-radius: 12px;
}

/* Mode Settings Button (Cogwheel) */
.mode-settings-btn {
    padding: 8px;
    background: var(--bg-tertiary);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mode-settings-btn:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
    transform: scale(1.05);
}

.mode-settings-btn .material-symbols-outlined {
    font-size: 20px;
}

.mode-toggle-btn {
    padding: 8px 12px;
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.mode-toggle-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.mode-toggle-btn .material-symbols-outlined {
    font-size: 20px;
}

/* Fibonacci Modal Content */
.fibonacci-content {
    max-height: 70vh;
    overflow-y: auto;
    padding: 20px 0;
    padding-right: 16px;
    scrollbar-gutter: stable both-edges;
}

.fibonacci-content::-webkit-scrollbar {
    width: 8px;
}

.fibonacci-content::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.fibonacci-content::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
}

.fibonacci-content::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

.fibonacci-content {
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--bg-tertiary);
}

.fibonacci-section {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.fibonacci-modal-content .fibonacci-section {
    border-bottom: none;
    padding-bottom: 0;
}

.fibonacci-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.fibonacci-section h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.fibonacci-section p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: 12px;
}

/* Fibonacci Sequence Display */
.fibonacci-sequence-display {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 12px;
    margin: 16px 0;
}

.fibonacci-sequence-display span {
    padding: 8px 12px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    min-width: 40px;
    text-align: center;
}

.fibonacci-note {
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 8px;
}

/* Adjustment Rules */
.adjustment-rules {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
}

.rule-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border-left: 4px solid;
}

.rule-item.rule-decrease {
    border-left-color: var(--danger-color);
}

.rule-item.rule-maintain {
    border-left-color: var(--warning-color);
}

.rule-item.rule-increase {
    border-left-color: var(--success-color);
}

.rule-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.rule-item.rule-decrease .rule-icon {
    color: var(--danger-color);
}

.rule-item.rule-maintain .rule-icon {
    color: var(--warning-color);
}

.rule-item.rule-increase .rule-icon {
    color: var(--success-color);
}

.rule-content {
    flex: 1;
}

.rule-content strong {
    display: block;
    font-size: 15px;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.rule-content p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

/* Break Examples */
.break-examples {
    list-style: none;
    padding: 0;
    margin: 12px 0;
}

.break-examples li {
    padding: 8px 0 8px 28px;
    position: relative;
    line-height: 1.6;
    color: var(--text-primary);
}

.break-examples li::before {
    content: '→';
    position: absolute;
    left: 8px;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 16px;
}

/* Fibonacci Requirement */
.fibonacci-requirement {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 8px;
    padding: 12px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-top: 12px;
}

.fibonacci-requirement .material-symbols-outlined {
    font-size: 24px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.fibonacci-requirement p {
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
}

/* Customization Grid */
.customization-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 16px;
}

.custom-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.custom-item label {
    font-size: 12px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* Fibonacci Actions */
.fibonacci-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
    padding-top: 24px;
    border-top: none;
}

.fibonacci-actions .btn {
    flex: 1;
    max-width: 200px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .card-header-with-toggle {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .mode-controls {
        width: 100%;
        justify-content: space-between;
    }
    
    .mode-toggle-buttons {
        width: 100%;
        justify-content: center;
    }
    
    .fibonacci-sequence-display {
        padding: 16px;
    }
    
    .fibonacci-sequence-display span {
        padding: 6px 10px;
        font-size: 13px;
        min-width: 35px;
    }
    
    .customization-grid {
        grid-template-columns: 1fr;
    }
    
    .fibonacci-actions {
        flex-direction: column;
    }
    
    .fibonacci-actions .btn {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .mode-toggle-btn {
        padding: 6px 10px;
    }
    
    .mode-toggle-btn .material-symbols-outlined {
        font-size: 18px;
    }
    
    .fibonacci-sequence-display {
        gap: 6px;
        padding: 12px;
    }
    
    .fibonacci-sequence-display span {
        padding: 4px 8px;
        font-size: 12px;
        min-width: 30px;
    }
    
    .rule-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .rule-icon {
        font-size: 24px;
    }
}

/* Hide Focus Mode Button Temporarily */
#focusModeBtn {
    display: none !important;
}