/* Analytics Container */
.analytics-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.analytics-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.analytics-header h1 {
    margin: 0;
    font-size: 2rem;
    font-weight: 600;
}

.btn-back {
    padding: 10px 20px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-back:hover {
    background-color: var(--hover-bg);
    transform: translateY(-2px);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

/* Stat Card */
.stat-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--accent-contrast);
    box-shadow: var(--accent-glow);
}

.stat-content {
    flex: 1;
}

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

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-subtext {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Chart Sections */
.chart-section {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
}

.chart-section h3 {
    margin: 0 0 20px 0;
    font-size: 1.3rem;
    font-weight: 600;
}

/* Simple Bar Chart */
.simple-chart {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    height: 250px;
    padding: 20px 0;
}

.chart-bar-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}

.chart-bar-wrapper {
    flex: 1;
    width: 100%;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.chart-bar {
    width: 80%;
    background: linear-gradient(to top, var(--accent-secondary), var(--accent-primary));
    border-radius: 4px 4px 0 0;
    position: relative;
    transition: all 0.3s ease;
    min-height: 4px;
}

.chart-bar:hover {
    opacity: 0.8;
}

.chart-bar-value {
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

.chart-bar-label {
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Activity Heatmap */
.activity-heatmap {
    padding: 10px 0;
}

.heatmap-with-years {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.heatmap-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: fit-content;
}

.heatmap-months {
    padding-left: 32px;
}

.heatmap-month-labels {
    display: flex;
    gap: 4px;
}

.heatmap-month-label {
    width: 14px;
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 600;
    text-align: left;
}

.heatmap-grid {
    display: flex;
    gap: 4px;
    padding: 5px 0;
    width: fit-content;
}

.heatmap-days-labels {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-right: 4px;
    justify-content: space-around;
}

.heatmap-day-label {
    height: 14px;
    font-size: 10px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    line-height: 14px;
}

.heatmap-weeks {
    display: flex;
    gap: 4px;
}

.heatmap-week {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.heatmap-day {
    width: 14px;
    height: 14px;
    border-radius: 2px;
    transition: all 0.2s ease;
    cursor: pointer;
    border: 1px solid rgba(27, 31, 35, 0.06);
}

.year-selector {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 20px;
}

.year-btn {
    padding: 4px 10px;
    background-color: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.year-btn:hover {
    color: var(--accent-primary);
}

.year-btn.active {
    color: var(--accent-primary);
}

.heatmap-day.level-0 {
    background-color: var(--hover-bg);
}

.heatmap-day.level-1 {
    background-color: #9be9a8;
}

.heatmap-day.level-2 {
    background-color: #40c463;
}

.heatmap-day.level-3 {
    background-color: #30a14e;
}

.heatmap-day.level-4 {
    background-color: #216e39;
}

.heatmap-day.today {
    border: 2px solid var(--accent-primary);
    box-shadow: 0 0 4px var(--accent-primary);
}

.heatmap-day.future {
    opacity: 0.3;
    pointer-events: none;
}

.heatmap-day:hover:not(.future) {
    transform: scale(1.3);
    z-index: 10;
}

.heatmap-legend {
    display: flex;
    align-items: center;
    gap: 5px;
    justify-content: flex-end;
    margin-top: 15px;
    font-size: 11px;
    color: var(--text-secondary);
}

.heatmap-legend .heatmap-day {
    margin: 0 2px;
}

/* Dual Section Layout */
.analytics-dual-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

@media (max-width: 968px) {
    .analytics-dual-section {
        grid-template-columns: 1fr;
    }
}

.muscle-groups-section,
.top-exercises-section {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
}

.muscle-groups-section h3,
.top-exercises-section h3 {
    margin: 0 0 15px 0;
    font-size: 1.3rem;
    font-weight: 600;
}

/* Equipment Section (standalone) */
.equipment-section {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
}

.equipment-section h3 {
    margin: 0 0 20px 0;
    font-size: 1.3rem;
    font-weight: 600;
}

/* Muscle Tabs */
.muscle-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.muscle-tab {
    padding: 10px 20px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: -2px;
}

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

.muscle-tab.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

/* Muscle Volume List */
.muscle-volume-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.muscle-volume-item {
    display: grid;
    grid-template-columns: 120px 1fr 100px;
    align-items: center;
    gap: 12px;
}

.muscle-volume-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.muscle-volume-bar-container {
    background-color: var(--hover-bg);
    height: 24px;
    border-radius: 12px;
    overflow: hidden;
}

.muscle-volume-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-secondary), var(--accent-primary));
    transition: width 0.5s ease;
}

.muscle-volume-value {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: right;
}

/* Exercise Leaderboard */
.exercise-leaderboard h4 {
    margin: 0 0 20px 0;
    font-size: 1.3rem;
    font-weight: 600;
}

.exercise-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.exercise-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    background-color: var(--hover-bg);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.exercise-item:hover {
    background-color: var(--border-color);
}

.exercise-rank {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.exercise-info {
    flex: 1;
}

.exercise-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.exercise-stats {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.exercise-pr {
    font-size: 12px;
    color: var(--accent-primary);
    font-weight: 600;
}

/* Equipment Grid */
.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
}

.equipment-card {
    background-color: var(--hover-bg);
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    transition: all 0.2s ease;
}

.equipment-card:hover {
    transform: translateY(-2px);
    background-color: var(--border-color);
}

.equipment-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.equipment-count {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Personal Records */
.pr-section {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
}

.pr-section h3 {
    margin: 0 0 20px 0;
    font-size: 1.3rem;
    font-weight: 600;
}

.pr-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 12px;
}

.pr-item {
    background-color: var(--hover-bg);
    border-radius: 8px;
    padding: 15px;
    transition: all 0.2s ease;
}

.pr-item:hover {
    background-color: var(--border-color);
    transform: translateY(-2px);
}

.pr-exercise {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.pr-value {
    font-size: 14px;
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 4px;
}

.pr-date {
    font-size: 12px;
    color: var(--text-muted);
}

/* Achievements */
.achievements-section {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
}

.achievements-section h4 {
    margin: 0 0 20px 0;
    font-size: 1.3rem;
    font-weight: 600;
}

.achievements-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    border-radius: 10px;
    background-color: var(--hover-bg);
    transition: all 0.3s ease;
}

.achievement-item:hover {
    transform: translateX(5px);
    background-color: var(--border-color);
}

.achievement-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.achievement-milestone .achievement-icon {
    background: linear-gradient(135deg, #f093fb, #f5576c);
    color: white;
}

.achievement-personalrecord .achievement-icon {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
}

.achievement-streak .achievement-icon {
    background: linear-gradient(135deg, #fa709a, #fee140);
    color: white;
}

.achievement-volume .achievement-icon {
    background: linear-gradient(135deg, #30cfd0, #330867);
    color: white;
}

.achievement-content {
    flex: 1;
}

.achievement-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.achievement-description {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.achievement-date {
    font-size: 12px;
    color: var(--text-muted);
}

/* Workout Activity Panel */
.workout-activity-panel {
    margin-top: 20px;
    background-color: var(--hover-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.workout-activity-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.workout-activity-header h5 {
    margin: 0 0 4px 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.clear-btn {
    background: none;
    border: none;
    font-size: 1rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 5px;
    transition: color 0.2s ease;
}

.clear-btn:hover {
    color: var(--text-primary);
}

.workout-activity-body {
    padding: 20px;
}

.workout-date {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.workout-count {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.workout-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.analytics-workout-item {
    display: flex;
    align-items: center;
    padding: 12px;
    background-color: var(--hover-bg);
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.analytics-workout-item .bi-check-circle-fill {
    color: var(--accent-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .analytics-container {
        padding: 15px;
    }

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

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

    .simple-chart,
    .day-of-week-chart {
        height: 180px;
    }

    .pr-list {
        grid-template-columns: 1fr;
    }
}