/* ===== CSS Variables ===== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: #15151f;
    --bg-hover: #1e1e2a;
    --accent-primary: #ff6b35;
    --accent-secondary: #f7931e;
    --accent-gradient: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    --strava-orange: #fc4c02;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;
    --border-color: #2a2a3a;
    --success: #22c55e;
    --warning: #eab308;
    --danger: #ef4444;
    --info: #3b82f6;
    --sidebar-width: 260px;
    --header-height: 80px;
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== App Container ===== */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--accent-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    list-style: none;
    padding: 16px 12px;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 12px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    margin-bottom: 4px;
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--accent-gradient);
    color: white;
}

.nav-icon {
    font-size: 1.2rem;
}

.sidebar-bottom {
    padding: 16px;
    border-top: 1px solid var(--border-color);
}

.data-sources {
    margin-bottom: 16px;
}

.data-sources h4 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.source-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.source-status {
    margin-left: auto;
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 4px;
}

.source-status.connected {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.source-status.disconnected {
    background: rgba(96, 96, 112, 0.2);
    color: var(--text-muted);
}

.btn-settings {
    width: 100%;
    padding: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

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

/* ===== Main Content ===== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 24px 32px;
    min-height: 100vh;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(255, 107, 53, 0.08), transparent),
        var(--bg-primary);
}

/* ===== Pages ===== */
.page {
    display: none;
}

.page.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

/* ===== Page Header ===== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
}

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-primary {
    background: var(--accent-gradient);
    border: none;
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 107, 53, 0.3);
}

.btn-strava {
    background: var(--strava-orange);
    border: none;
    color: white;
}

.btn-strava:hover {
    background: #e54402;
    transform: translateY(-2px);
}

.btn-danger {
    background: var(--danger);
    border: none;
    color: white;
}

/* ===== Stats Grid ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    gap: 16px;
    transition: all 0.2s;
}

.stat-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.stat-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-content {
    flex: 1;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

.stat-unit {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.stat-compare {
    font-size: 0.8rem;
    margin-top: 4px;
}

.stat-compare.positive {
    color: var(--success);
}

.stat-compare.negative {
    color: var(--danger);
}

/* ===== Charts ===== */
.charts-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

.analytics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

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

.custom-date-range {
    display: none;
    align-items: center;
    gap: 10px;
}

.custom-date-range.active {
    display: flex;
}

.date-input {
    padding: 10px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.date-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.date-input:hover {
    border-color: var(--accent-primary);
}

/* Style date input calendar icon and text color for webkit browsers */
.date-input::-webkit-calendar-picker-indicator {
    filter: invert(1);
    opacity: 0.7;
    cursor: pointer;
    transition: opacity 0.2s;
}

.date-input::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

.date-input::-webkit-datetime-edit-text,
.date-input::-webkit-datetime-edit-month-field,
.date-input::-webkit-datetime-edit-day-field,
.date-input::-webkit-datetime-edit-year-field {
    color: var(--text-primary);
    padding: 0 2px;
}

.date-input::-webkit-datetime-edit-text:focus,
.date-input::-webkit-datetime-edit-month-field:focus,
.date-input::-webkit-datetime-edit-day-field:focus,
.date-input::-webkit-datetime-edit-year-field:focus {
    background-color: transparent;
    color: var(--text-primary);
    outline: none;
}

/* Note: Native date picker calendar popup cannot be fully styled with CSS.
   The calendar modal is rendered by the browser and styling is very limited.
   For full dark theme support, a custom date picker would be needed. */

/* Attempt to style the date picker popup where possible (very limited browser support) */
.date-input::-webkit-inner-spin-button,
.date-input::-webkit-outer-spin-button {
    display: none;
}

/* Firefox date input styling */
.date-input[type="date"] {
    color-scheme: dark;
}

/* Additional date input styling for better consistency */
.date-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.date-separator {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

/* ===== Custom Date Picker Modal ===== */
.date-picker-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.date-picker-modal.active {
    display: flex;
}

.date-picker-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    min-width: 320px;
    max-width: 380px;
}

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

.date-picker-nav {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1.2rem;
}

.date-picker-nav:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.date-picker-month-year {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.2s;
}

.date-picker-month-year:hover {
    background: var(--bg-tertiary);
}

.date-picker-calendar {
    margin-bottom: 16px;
}

.date-picker-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 8px;
}

.date-picker-weekdays div {
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 8px 4px;
}

.date-picker-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.date-picker-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
    color: var(--text-primary);
    background: transparent;
    border: 1px solid transparent;
}

.date-picker-day:hover {
    background: var(--bg-hover);
    border-color: var(--border-color);
}

.date-picker-day.other-month {
    color: var(--text-muted);
    opacity: 0.4;
}

.date-picker-day.today {
    border-color: var(--accent-primary);
    background: rgba(255, 107, 53, 0.1);
    font-weight: 600;
}

.date-picker-day.selected {
    background: var(--accent-primary);
    color: white;
    font-weight: 600;
    border-color: var(--accent-primary);
}

.date-picker-day.in-range {
    background: rgba(255, 107, 53, 0.2);
    border-color: rgba(255, 107, 53, 0.4);
}

.date-picker-day.range-start,
.date-picker-day.range-end {
    background: var(--accent-primary);
    color: white;
    font-weight: 600;
}

.date-picker-footer {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.date-picker-btn {
    flex: 1;
    padding: 10px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

.date-picker-btn-today {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.date-picker-btn-today:hover {
    background: var(--accent-secondary);
    border-color: var(--accent-secondary);
}

.comparison-section {
    margin-top: 32px;
}

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

.comparison-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.comparison-controls {
    display: flex;
    gap: 12px;
}

.comparison-charts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.comparison-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.comparison-workout-item {
    transition: all 0.2s;
}

.comparison-workout-item:hover {
    border-color: var(--accent-primary) !important;
    transform: translateX(4px);
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
}

.chart-card.large {
    grid-column: span 2;
}

.chart-card h3 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.chart-card canvas {
    max-height: 300px;
}

/* ===== Activity List ===== */
.activity-list {
    max-height: 350px;
    overflow-y: auto;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    margin-bottom: 12px;
    transition: all 0.2s;
    cursor: pointer;
}

.activity-item:hover {
    background: var(--bg-hover);
    transform: translateX(4px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.activity-date {
    text-align: center;
    min-width: 50px;
}

.activity-date .day {
    font-size: 1.25rem;
    font-weight: 600;
}

.activity-date .month {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.activity-details {
    flex: 1;
}

.activity-title {
    font-weight: 500;
    margin-bottom: 4px;
}

.activity-meta {
    display: flex;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.activity-source {
    display: flex;
    gap: 4px;
}

.source-badge {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

.source-badge.apple {
    background: rgba(255, 255, 255, 0.1);
}

.source-badge.strava {
    background: rgba(252, 76, 2, 0.2);
}

/* ===== Workouts Table ===== */
.workouts-table-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
}

.workouts-table {
    width: 100%;
    border-collapse: collapse;
}

.workouts-table th {
    text-align: left;
    padding: 16px 20px;
    background: var(--bg-tertiary);
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: color 0.2s;
    white-space: nowrap;
}

.workouts-table th:hover {
    color: var(--accent-primary);
}

.workouts-table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

.workouts-table tr:last-child td {
    border-bottom: none;
}

.workouts-table tr:hover td {
    background: rgba(255, 107, 53, 0.03);
}

.search-box {
    position: relative;
}

.search-box input {
    padding: 10px 16px 10px 40px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    width: 250px;
    transition: all 0.2s;
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.search-box .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
}

select {
    padding: 10px 36px 10px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23a0a0b0'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px;
}

select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* ===== Pagination ===== */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 12px;
}

.pagination-info {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.pagination-controls {
    display: flex;
    gap: 8px;
}

.pagination-controls button {
    padding: 8px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
}

.pagination-controls button:hover:not(:disabled) {
    border-color: var(--accent-primary);
}

.pagination-controls button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination-controls button.active {
    background: var(--accent-gradient);
    border-color: transparent;
}

/* ===== Calendar ===== */
.calendar-legend {
    display: flex;
    gap: 24px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.legend-dot.completed { background: var(--success); }
.legend-dot.planned { background: var(--info); }
.legend-dot.missed { background: var(--danger); }
.legend-dot.exceeded { background: var(--warning); }

.calendar-month {
    font-size: 1.1rem;
    font-weight: 600;
    min-width: 180px;
    text-align: center;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
}

.calendar-header {
    text-align: center;
    padding: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
}

.calendar-day {
    min-height: 100px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    padding: 12px;
    transition: all 0.2s;
    cursor: pointer;
}

.calendar-day:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
}

.calendar-day.other-month {
    opacity: 0.4;
}

.calendar-day.today {
    border: 2px solid var(--accent-primary);
}

.calendar-day .day-number {
    font-weight: 500;
    margin-bottom: 8px;
}

.calendar-day .day-workout {
    font-size: 0.75rem;
    padding: 4px 8px;
    border-radius: 6px;
    margin-bottom: 4px;
    transition: all 0.2s ease;
    cursor: pointer;
}

.calendar-day .day-workout:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    opacity: 0.9;
}

.calendar-day .day-workout.completed {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.calendar-day .day-workout.completed:hover {
    background: rgba(34, 197, 94, 0.3);
}

.calendar-day .day-workout.planned {
    background: rgba(59, 130, 246, 0.2);
    color: var(--info);
    cursor: default;
}

.calendar-day .day-workout.planned:hover {
    transform: none;
    box-shadow: none;
}

.calendar-day .day-workout.missed {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
    text-decoration: line-through;
    cursor: default;
}

.calendar-day .day-workout.missed:hover {
    transform: none;
    box-shadow: none;
}

.calendar-day .day-workout.exceeded {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.calendar-day .day-workout.exceeded:hover {
    background: rgba(245, 158, 11, 0.3);
}

/* ===== Modals ===== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.modal-content.modal-large {
    max-width: 900px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background: var(--bg-secondary);
    z-index: 10;
    border-radius: 20px 20px 0 0;
}

.modal-header h2 {
    font-size: 1.25rem;
}

.modal-close {
    width: 36px;
    height: 36px;
    background: var(--bg-tertiary);
    border: none;
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.2s;
}

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

.modal-body {
    padding: 24px;
}

.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.modal-actions .btn {
    flex: 1;
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    border: none;
    color: white;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(239, 68, 68, 0.3);
}

/* Completed Workout Info */
.completed-workout-info {
    background: var(--bg-tertiary);
    border: 1px solid var(--success);
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 16px;
}

.completed-workout-info h4 {
    margin: 0 0 8px 0;
    font-size: 0.9rem;
    color: var(--success);
}

.completed-stats {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.completed-stats span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ===== Workout Detail Modal ===== */
.workout-detail-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.detail-stat {
    background: var(--bg-tertiary);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.detail-icon {
    font-size: 1.5rem;
}

.detail-value {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
}

.detail-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.detail-section h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.hr-zones-container {
    background: var(--bg-tertiary);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
    height: 300px;
}

.hr-zones-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.8rem;
}

.zone-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.zone-legend-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
}

.zone-legend-text {
    color: var(--text-secondary);
}

.zone-legend-percent {
    color: var(--text-primary);
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

.additional-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
}

/* Workout table row hover */
.workout-row:hover {
    background: var(--bg-tertiary);
}

/* Route detail stats in workout modal */
.route-detail-stats {
    display: flex;
    gap: 24px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.route-detail-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.route-detail-stat .stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.route-detail-stat .stat-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
}

.additional-stat {
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.additional-stat .stat-name {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.additional-stat .stat-value {
    color: var(--text-primary);
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

.detail-chart-section {
    margin-bottom: 16px;
}

.chart-container-small {
    background: var(--bg-tertiary);
    border-radius: 12px;
    padding: 12px;
    height: 450px;
    max-height: 450px;
}

.chart-container-small canvas {
    max-height: 420px !important;
}

/* ===== Upload Zone ===== */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: 16px;
    padding: 48px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--accent-primary);
    background: rgba(255, 107, 53, 0.05);
}

/* Style the file input for better iOS compatibility */
.upload-zone input[type="file"] {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.upload-progress {
    text-align: center;
}

.progress-bar-container {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 12px;
}

.progress-bar {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s;
}

/* ===== Form Elements ===== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.setting-group {
    margin-bottom: 24px;
}

.setting-group h4 {
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.toggle-group {
    display: flex;
    gap: 8px;
}

.toggle-btn {
    flex: 1;
    padding: 10px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
}

.toggle-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
}

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-secondary);
}

.empty-state .icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .charts-row {
        grid-template-columns: 1fr;
    }

    .analytics-grid {
        grid-template-columns: 1fr;
    }

    .chart-card.large {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    /* Mobile sidebar - hidden by default */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        z-index: 1000;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    /* Overlay when sidebar is open */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.6);
        z-index: 999;
    }

    .sidebar-overlay.active {
        display: block;
    }

    /* Mobile hamburger menu */
    .mobile-header {
        display: flex !important;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: 60px;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        align-items: center;
        justify-content: space-between;
        padding: 0 16px;
        z-index: 998;
    }

    .hamburger {
        display: flex;
        flex-direction: column;
        gap: 5px;
        cursor: pointer;
        padding: 8px;
    }

    .hamburger span {
        width: 24px;
        height: 2px;
        background: var(--text-primary);
        transition: all 0.3s;
    }

    .mobile-logo {
        display: flex;
        align-items: center;
        gap: 8px;
        font-weight: 600;
        font-size: 1.1rem;
    }

    .mobile-logo-icon {
        font-size: 1.5rem;
    }

    .main-content {
        margin-left: 0;
        padding: 16px;
        padding-top: 76px; /* Account for mobile header */
    }

    .page-header {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .page-header h1 {
        font-size: 1.5rem;
    }

    .header-actions {
        width: 100%;
        flex-wrap: wrap;
        gap: 8px;
    }

    .header-actions .btn {
        flex: 1;
        min-width: 120px;
        font-size: 0.85rem;
        padding: 10px 12px;
    }

    .sync-status-container {
        width: 100%;
        justify-content: center;
    }

    .search-box {
        width: 100%;
    }

    .search-box input {
        width: 100%;
    }

    /* Stats grid - 2 columns on mobile */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .stat-card {
        padding: 16px;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    /* Calendar mobile */
    .calendar-grid {
        font-size: 0.75rem;
    }

    .calendar-day {
        min-height: 60px;
        padding: 4px;
    }

    .calendar-day-number {
        font-size: 0.85rem;
    }

    .calendar-workout {
        font-size: 0.65rem;
        padding: 2px 4px;
    }

    .calendar-header {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
    }

    .calendar-nav {
        justify-content: center;
    }

    .calendar-actions {
        justify-content: center;
        flex-wrap: wrap;
    }

    .calendar-actions .btn {
        font-size: 0.8rem;
        padding: 8px 12px;
    }

    /* Workouts table mobile */
    .workouts-table {
        display: block;
        overflow-x: auto;
    }

    .workouts-table th,
    .workouts-table td {
        padding: 10px 8px;
        font-size: 0.85rem;
    }

    /* Activity items */
    .activity-item {
        padding: 12px;
    }

    .activity-stats {
        gap: 12px;
        flex-wrap: wrap;
    }

    /* Modal mobile */
    .modal-content {
        width: 95%;
        max-width: 95%;
        max-height: 90vh;
        margin: 5vh auto;
    }

    .modal-large {
        width: 95%;
    }

    /* Workout detail modal */
    .workout-detail-summary {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .detail-stat {
        padding: 12px;
    }

    .detail-value {
        font-size: 1.2rem;
    }

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

    /* Charts */
    .chart-container-small {
        height: 200px;
        max-height: 200px;
    }

    /* Unit toggle */
    .unit-toggle {
        width: 100%;
        justify-content: center;
    }

    /* Settings */
    .setting-group {
        padding: 16px;
    }

    .sources-list {
        gap: 12px;
    }
}

/* Extra small devices */
@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .workout-detail-summary {
        grid-template-columns: 1fr;
    }

    .additional-stats-grid {
        grid-template-columns: 1fr;
    }

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

    .calendar-actions .btn {
        flex: 1;
    }
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ===== Routes Page ===== */
.routes-container {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 20px;
    height: calc(100vh - 160px);
}

.routes-sidebar {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.routes-search {
    padding: 16px 16px 8px;
}

.routes-search input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
}

.routes-filters {
    display: flex;
    gap: 8px;
    padding: 0 16px 12px;
    border-bottom: 1px solid var(--border-color);
}

.routes-filters select {
    flex: 1;
    padding: 8px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.8rem;
    cursor: pointer;
}

.routes-filters select:first-child {
    flex: 0.8;
}

.routes-sort {
    padding: 0 16px 12px;
    border-bottom: 1px solid var(--border-color);
}

.routes-sort select {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
}

.routes-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.route-item {
    padding: 14px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.route-item:hover {
    border-color: var(--accent-primary);
}

.route-item.selected {
    border-color: var(--accent-primary);
    background: rgba(255, 107, 53, 0.1);
}

.route-item-name {
    font-weight: 500;
    margin-bottom: 6px;
    font-size: 0.95rem;
}

.route-item-date {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.route-item-stats {
    display: flex;
    gap: 12px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.hr-badge {
    margin-left: 6px;
    font-size: 0.85rem;
    cursor: help;
    padding: 2px 4px;
    border-radius: 4px;
}

.hr-badge.detailed {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.4);
}

.hr-badge.avg {
    background: rgba(156, 163, 175, 0.2);
    border: 1px solid rgba(156, 163, 175, 0.4);
}

.route-item-location {
    font-size: 0.75rem;
    color: var(--accent-primary);
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Location Group Headers */
.location-group {
    margin-bottom: 16px;
}

.location-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.15), rgba(255, 158, 67, 0.1));
    border: 1px solid rgba(255, 107, 53, 0.3);
    border-radius: 10px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.location-group-header:hover {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.25), rgba(255, 158, 67, 0.15));
}

.location-group-header h4 {
    margin: 0;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.location-group-header .group-count {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: 12px;
}

.location-group-header .group-toggle {
    color: var(--text-muted);
    transition: transform 0.2s;
}

.location-group.collapsed .group-toggle {
    transform: rotate(-90deg);
}

.location-group.collapsed .location-group-routes {
    display: none;
}

.location-group-routes {
    padding-left: 8px;
    border-left: 2px solid rgba(255, 107, 53, 0.2);
    margin-left: 12px;
}

.routes-main {
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow-y: auto;
}

.map-container {
    flex: 1;
    min-height: 400px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
}

#routeMap {
    width: 100%;
    height: 100%;
}

/* Route Markers */
.route-marker {
    background: none;
    border: none;
}

.marker-dot {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: white;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.drag-marker .marker-dot {
    cursor: grab;
    border: 2px dashed white;
    animation: pulse-drag 1.5s infinite;
}

.drag-marker .marker-dot:active {
    cursor: grabbing;
}

@keyframes pulse-drag {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.runner-marker {
    background: none;
    border: none;
}

.runner-marker .runner-dot {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 14px;
    color: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

/* Race Stats Widget */
.race-stats-widget {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px;
    min-width: 160px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.race-widget-runner {
    padding: 10px;
    border-left: 3px solid;
    margin-bottom: 8px;
    background: var(--bg-tertiary);
    border-radius: 8px;
}

.race-widget-runner:last-child {
    margin-bottom: 0;
}

.race-widget-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.race-widget-marker {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 12px;
    color: white;
}

.race-widget-label {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.race-widget-stats {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.race-widget-stat {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
}

.race-widget-icon {
    font-size: 0.85rem;
    width: 18px;
}

.race-widget-stat span:nth-child(2) {
    font-weight: 600;
    color: var(--text-primary);
    min-width: 45px;
}

.race-widget-unit {
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* Runner with stats */
.runner-with-stats {
    pointer-events: none;
}

.runner-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.runner-container .runner-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    font-weight: bold;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

.runner-stats {
    padding: 2px 6px;
    border-radius: 4px;
    color: white;
    font-size: 10px;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    white-space: nowrap;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    gap: 1px;
}

.runner-stats .stats-unit {
    font-size: 8px;
    opacity: 0.8;
}

.runner-stats-above {
    flex-direction: column;
}

/* Playback Controls */
.playback-controls {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px 20px;
}

.playback-info {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 12px;
}

.playback-stat {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.playback-slider-container {
    margin-bottom: 12px;
}

#playbackSlider {
    width: 100%;
    height: 8px;
    -webkit-appearance: none;
    background: var(--bg-tertiary);
    border-radius: 4px;
    outline: none;
}

#playbackSlider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(255, 107, 53, 0.4);
}

.playback-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
}

.playback-buttons select {
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    cursor: pointer;
}

/* Route Info Panel */
.route-info-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
}

.route-info-panel h3 {
    margin-bottom: 16px;
    font-size: 1.1rem;
}

.route-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}

.route-stat {
    text-align: center;
}

.route-stat .stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.route-stat .stat-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.route-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* Comparison Panel */
.comparison-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px 24px;
    flex-shrink: 0;
}

.comparison-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.comparison-header h3 {
    margin: 0;
}

.comparison-routes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 16px;
}

.comparison-route {
    padding: 16px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    border-left: 4px solid;
}

.comparison-route h4 {
    margin: 0 0 12px 0;
    font-size: 0.95rem;
}

.comparison-route select {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    margin-bottom: 12px;
}

.comparison-stats {
    display: flex;
    gap: 16px;
    font-size: 0.85rem;
}

.comparison-options {
    margin-bottom: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.race-speed-control {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.race-speed-control label {
    color: var(--text-secondary);
}

.race-speed-control select {
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    cursor: pointer;
}

.overlay-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.overlay-toggle:hover {
    border-color: var(--accent-primary);
}

.overlay-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

.overlay-toggle input[type="checkbox"]:checked + span {
    color: var(--accent-primary);
}

.comparison-diff {
    text-align: center;
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    margin-bottom: 16px;
    font-family: 'JetBrains Mono', monospace;
}

.comparison-diff .faster {
    color: var(--success);
}

.comparison-diff .slower {
    color: var(--danger);
}

#raceRoutesBtn {
    width: 100%;
    font-size: 1.1rem;
    padding: 14px;
}

/* Similar Routes */
.similar-routes {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.similar-routes h4 {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.similar-route-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    margin-bottom: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.similar-route-item:hover {
    background: rgba(255, 107, 53, 0.15);
}

.similarity-badge {
    background: var(--accent-gradient);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    color: white;
}

.similar-route-stats {
    color: var(--text-muted);
    font-size: 0.8rem;
    white-space: nowrap;
}

/* Route Loading */
.route-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: var(--text-secondary);
}

@media (max-width: 1024px) {
    .routes-container {
        grid-template-columns: 1fr;
        height: auto;
    }

    .routes-sidebar {
        max-height: 300px;
    }

    .comparison-routes {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .routes-container {
        grid-template-columns: 1fr;
        height: auto;
        gap: 12px;
    }

    .routes-sidebar {
        max-height: 250px;
        order: 1;
    }

    .routes-main {
        order: 2;
        height: auto;
        min-height: 400px;
    }

    .map-container {
        height: 300px !important;
        min-height: 300px;
    }

    .route-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .route-stat {
        padding: 12px;
    }

    .playback-controls {
        padding: 12px;
    }

    .playback-info {
        gap: 12px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .playback-stat {
        font-size: 0.85rem;
        min-width: 80px;
    }

    .playback-buttons {
        gap: 8px;
    }

    .playback-buttons .btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

    /* Comparison panel mobile */
    .comparison-panel {
        padding: 16px;
    }

    .comparison-routes {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .comparison-actions {
        flex-wrap: wrap;
        gap: 8px;
    }

    .comparison-actions .btn {
        flex: 1;
        min-width: 100px;
    }

    /* Route info panel */
    .route-info-panel {
        padding: 16px;
    }

    .route-info-panel h3 {
        font-size: 1.1rem;
    }

    /* Similar routes */
    .similar-routes {
        padding: 12px;
    }

    .similar-route-item {
        padding: 10px;
        font-size: 0.85rem;
    }

    /* Route filters */
    .routes-filters {
        flex-direction: column;
        gap: 8px;
    }

    .routes-filters select {
        width: 100%;
    }

    /* Race stats widget */
    .race-stats-widget {
        top: 10px;
        right: 10px;
        padding: 10px 14px;
        font-size: 0.85rem;
    }
}

/* ===== Sync Status Indicator ===== */
.sync-status-container {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.sync-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: all 0.3s ease;
}

.sync-indicator.syncing {
    background: var(--warning);
    animation: pulse 1s infinite;
}

.sync-indicator.success {
    background: var(--success);
}

.sync-indicator.error {
    background: var(--danger);
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.last-sync {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Loading spinner for buttons */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Settings enhancements */
.setting-row {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-top: 12px;
    flex-wrap: wrap;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--text-secondary);
}

.toggle-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

.info-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.6;
}

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

/* Secondary button style */
.btn-secondary {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

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