:root {
    --bg: #050505;
    --card-bg: #111;
    --border: #222;
    /* I changed accent to Blue/Cyan to match your screenshots better */
    --accent: #00bcd4;
    --text-main: #fff;
    --text-dim: #666;
}

body {
    background-color: var(--bg);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    box-sizing: border-box;
}

/* CONTAINER */
.dashboard {
    width: 100%;
    max-width: 500px;
    /* Matched to mobile width */
    animation: fadeIn 0.8s ease;
}

/* HEADER */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.back-link {
    text-decoration: none;
    color: var(--text-dim);
    font-size: 14px;
    transition: 0.2s;
}

.back-link:hover {
    color: #fff;
}

.version-tag {
    font-size: 10px;
    color: #333;
    letter-spacing: 1px;
}

/* USER PROFILE CARD */
.profile-card {
    background: linear-gradient(145deg, #151515, #0a0a0a);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 25px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transition: border-color 0.5s ease;
}

.user-info h1 {
    margin: 0;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -1px;
    cursor: pointer;
    border-bottom: 1px dotted #333;
    display: inline-block;
}

.user-info h1:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.user-info p {
    margin: 0 0 5px 0;
    color: var(--accent);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.profile-icon {
    font-size: 32px;
    filter: grayscale(100%);
    transition: 0.5s;
}

.profile-card:hover .profile-icon {
    filter: grayscale(0%);
    transform: scale(1.1);
}

/* SEARCH BOX */
#user-search {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--accent);
    color: white;
    font-family: inherit;
    font-size: 20px;
    font-weight: 800;
    width: 100%;
    outline: none;
    display: none;
    /* Hidden by default */
    text-transform: uppercase;
}

/* METRICS GRID */
.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

.stat-card {
    background: var(--card-bg);
    padding: 15px;
    border-radius: 12px;
    border: 1px solid var(--border);
    text-align: center;
    transition: transform 0.2s;
}

.stat-card:hover {
    border-color: #333;
    transform: translateY(-2px);
}

.stat-num {
    font-size: 24px;
    font-weight: 700;
    display: block;
    margin-bottom: 4px;
    color: #eee;
}

.stat-label {
    font-size: 10px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* CHART CONTAINER */
.chart-container {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 15px;
    margin-bottom: 20px;
    height: 220px;
    position: relative;
}

/* HISTORY LIST */
.history-section h3 {
    font-size: 12px;
    color: var(--text-dim);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.history-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}

.history-item:last-child {
    border-bottom: none;
}

.date {
    color: #555;
}

.duration {
    font-weight: 600;
    color: #ddd;
    font-variant-numeric: tabular-nums;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* DISTRIBUTION TOGGLES */
.toggle-btn {
    background: transparent;
    border: none;
    color: #666;
    padding: 6px 12px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
}

.toggle-btn:hover {
    color: #fff;
}

.toggle-btn.active {
    background: #333;
    color: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

/* DAILY SCROLLER */
.day-scroller {
    display: flex;
    overflow-x: auto;
    gap: 4px;
    padding: 10px 0;
    margin-bottom: 20px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    /* Firefox */
    align-items: flex-end;
    /* Align to bottom for bars */
    min-height: 150px;
    /* Allow space for bars */
}

.day-scroller::-webkit-scrollbar {
    display: none;
}

/* Chrome/Safari */

.day-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: default;
    transition: transform 0.2s;
}

.day-col:hover {
    transform: translateY(-5px);
}

.day-bar {
    width: 20px;
    background: transparent;
    border-radius: 4px 4px 0 0;
    transition: height 0.5s ease;
    min-height: 2px;
    /* Always show small bar line for alignment */
    background-color: rgba(255, 255, 255, 0.05);
    /* Slight visibility for empty days if desired, or transparent */
}

.day-tile {
    min-width: 28px;
    height: 40px;
    background: #111;
    border: 1px solid #222;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #444;
    font-size: 9px;
    transition: all 0.2s;
}

.day-tile .day-name {
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 2px;
}

.day-tile .day-num {
    font-size: 8px;
}

.day-tile.has-data {
    border-color: #444;
    color: #888;
    background: #1a1a1a;
}

.day-tile.active {
    border-color: var(--accent);
    /* background set inline by JS for color matching */
    color: var(--accent);
}

/* HEATMAP */
.heatmap-grid {
    display: grid;
    grid-template-rows: repeat(7, 10px);
    /* 7 days of week */
    grid-auto-flow: column;
    gap: 3px;
    overflow-x: auto;
    padding-bottom: 5px;
    height: 100px;
    /* Constrain height */
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.heatmap-grid::-webkit-scrollbar {
    display: none;
}

.heatmap-day {
    width: 10px;
    height: 10px;
    background-color: #222;
    border-radius: 2px;
    transition: all 0.2s;
}

.heatmap-day:hover {
    transform: scale(1.5);
    z-index: 10;
    border: 1px solid #fff;
}