@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --bg-0: #06080e;
    --bg-1: #0a0e1a;
    --bg-2: #111827;
    --bg-3: #1a2236;
    --bg-4: #232d44;
    --bg-glass: rgba(17, 24, 39, 0.6);
    --bg-glass-hover: rgba(26, 34, 54, 0.7);
    --text: #f1f5f9;
    --text-2: #cbd5e1;
    --text-3: #94a3b8;
    --text-4: #64748b;
    --text-5: #475569;
    --accent: #fc4c02;
    --accent-2: #ff6b2b;
    --accent-glow: rgba(252, 76, 2, 0.3);
    --accent-soft: rgba(252, 76, 2, 0.1);
    --green: #34d399;
    --green-soft: rgba(52, 211, 153, 0.1);
    --blue: #60a5fa;
    --blue-soft: rgba(96, 165, 250, 0.1);
    --purple: #a78bfa;
    --purple-soft: rgba(167, 139, 250, 0.1);
    --red: #f87171;
    --yellow: #fbbf24;
    --cyan: #22d3ee;
    --border: rgba(148, 163, 184, 0.08);
    --border-light: rgba(148, 163, 184, 0.12);
    --r: 16px;
    --r-sm: 12px;
    --r-xs: 8px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg-0);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== AMBIENT GLOW ===== */
body::before {
    content: '';
    position: fixed;
    top: -200px; left: 50%;
    transform: translateX(-50%);
    width: 1000px; height: 600px;
    background: radial-gradient(ellipse, rgba(252, 76, 2, 0.06) 0%, transparent 70%);
    pointer-events: none; z-index: 0;
}
body::after {
    content: '';
    position: fixed;
    bottom: -300px; right: -200px;
    width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.04) 0%, transparent 70%);
    pointer-events: none; z-index: 0;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-2); }

/* ===== NAVBAR ===== */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.75rem;
    height: 60px;
    background: rgba(6, 8, 14, 0.8);
    backdrop-filter: blur(24px) saturate(1.4);
    -webkit-backdrop-filter: blur(24px) saturate(1.4);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 100;
}
.nav-brand {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 0.55rem;
    letter-spacing: -0.03em;
}
.nav-brand-icon { width: 26px; height: 26px; border-radius: 7px; }
.nav-links { display: flex; align-items: center; gap: 0.15rem; }
.nav-link {
    color: var(--text-3);
    font-size: 0.82rem;
    font-weight: 500;
    padding: 0.4rem 0.75rem;
    border-radius: var(--r-xs);
    transition: all 0.2s;
}
.nav-link:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.nav-link.active { color: var(--text); background: rgba(255,255,255,0.07); }
.nav-sync { color: var(--accent) !important; }
.nav-sync:hover { background: var(--accent-soft) !important; }
.nav-user {
    color: var(--text-4);
    font-size: 0.78rem;
    font-weight: 500;
    padding-left: 0.75rem;
    margin-left: 0.35rem;
    border-left: 1px solid var(--border);
}

/* ===== CONTAINER ===== */
.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 1.75rem 2rem;
    position: relative; z-index: 1;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: var(--r-xs);
    font-size: 0.82rem; font-weight: 600;
    border: 1px solid var(--border-light);
    cursor: pointer;
    background: rgba(255,255,255,0.04);
    color: var(--text-2);
    transition: all 0.2s;
    font-family: inherit;
    letter-spacing: -0.01em;
}
.btn:hover {
    background: rgba(255,255,255,0.08);
    color: var(--text);
    border-color: rgba(255,255,255,0.15);
    transform: translateY(-1px);
}
.btn-primary {
    background: var(--accent);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 2px 16px var(--accent-glow), inset 0 1px 0 rgba(255,255,255,0.1);
}
.btn-primary:hover {
    background: var(--accent-2);
    color: #fff;
    box-shadow: 0 4px 24px var(--accent-glow);
    border-color: transparent;
}
.btn-strava { background: var(--accent); color: #fff; border-color: transparent; box-shadow: 0 2px 16px var(--accent-glow); }
.btn-strava:hover { background: var(--accent-2); color: #fff; border-color: transparent; }
.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.75rem; }
.btn-sm.active { background: var(--accent); color: #fff; border-color: transparent; }
.btn-lg { padding: 0.75rem 2.25rem; font-size: 1rem; border-radius: var(--r-sm); }

/* ===== GLASS CARD ===== */
.card {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--r);
    transition: all 0.3s;
}
.card:hover {
    border-color: var(--border-light);
    box-shadow: 0 4px 24px rgba(0,0,0,0.2);
}

/* ===== HERO / LANDING ===== */
.hero {
    text-align: center;
    padding: 5rem 1rem 4rem;
    position: relative;
}
.hero::before {
    content: '';
    position: absolute;
    top: -50px; left: 50%;
    transform: translateX(-50%);
    width: 600px; height: 400px;
    background: radial-gradient(circle, rgba(252, 76, 2, 0.1) 0%, transparent 70%);
    pointer-events: none;
}
.hero h1 {
    font-size: 3.8rem;
    font-weight: 900;
    letter-spacing: -0.05em;
    line-height: 1.05;
    margin-bottom: 0.6rem;
    background: linear-gradient(135deg, #fff 30%, var(--text-3) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-sub { color: var(--text-3); font-size: 1.15rem; margin-bottom: 3.5rem; font-weight: 400; }
.hero-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin: 0 auto 3rem;
    max-width: 740px;
}
.feature-card {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border-radius: var(--r);
    padding: 2rem 1.5rem;
    border: 1px solid var(--border);
    transition: all 0.35s;
    text-align: left;
}
.feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent);
    box-shadow: 0 12px 40px rgba(252, 76, 2, 0.08);
}
.feature-icon {
    font-size: 1.5rem;
    width: 48px; height: 48px;
    display: flex; align-items: center; justify-content: center;
    background: var(--accent-soft);
    border-radius: 14px;
    margin-bottom: 1rem;
}
.feature-card h3 { font-size: 0.92rem; font-weight: 700; margin-bottom: 0.35rem; letter-spacing: -0.02em; }
.feature-card p { font-size: 0.8rem; color: var(--text-4); line-height: 1.5; }
.hero-note { margin-top: 1rem; font-size: 0.82rem; color: var(--text-4); }

/* ===== ALERT ===== */
.alert {
    padding: 0.75rem 1.1rem;
    border-radius: var(--r-sm);
    margin-bottom: 1.5rem;
    font-size: 0.84rem;
    font-weight: 500;
}
.alert-success {
    background: var(--green-soft);
    border: 1px solid rgba(52, 211, 153, 0.15);
    color: var(--green);
}

/* ===== PAGE HEADER ===== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.75rem;
}
.page-title {
    font-size: 1.65rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.2;
}
.page-subtitle {
    font-size: 0.84rem;
    color: var(--text-4);
    margin-top: 0.15rem;
}

/* ===== DASHBOARD ===== */
.dash-top {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: flex-end;
    gap: 1.5rem;
    margin-bottom: 1.75rem;
}

/* Race countdown */
.countdown-card {
    background: linear-gradient(135deg, rgba(252, 76, 2, 0.12) 0%, rgba(252, 76, 2, 0.03) 100%);
    border: 1px solid rgba(252, 76, 2, 0.15);
    border-radius: var(--r);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}
.countdown-ring {
    position: relative;
    width: 56px; height: 56px;
    flex-shrink: 0;
}
.countdown-ring svg { transform: rotate(-90deg); }
.countdown-ring .ring-bg { fill: none; stroke: rgba(252, 76, 2, 0.15); stroke-width: 4; }
.countdown-ring .ring-fill {
    fill: none; stroke: var(--accent); stroke-width: 4;
    stroke-linecap: round;
    transition: stroke-dashoffset 1s ease;
}
.countdown-number {
    position: absolute;
    inset: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; font-weight: 900; color: var(--accent);
    letter-spacing: -0.03em;
}
.countdown-text { font-size: 0.82rem; color: var(--text-3); line-height: 1.4; }
.countdown-text strong { color: var(--text); display: block; font-size: 0.85rem; }

/* Stats strip */
.stats-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.75rem;
}
.stat-card {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 1.15rem;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    transition: all 0.25s;
}
.stat-card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
}
.stat-icon {
    width: 42px; height: 42px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.15rem;
    flex-shrink: 0;
}
.stat-icon.orange { background: var(--accent-soft); }
.stat-icon.blue { background: var(--blue-soft); }
.stat-icon.green { background: var(--green-soft); }
.stat-icon.purple { background: var(--purple-soft); }
.stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    display: block;
    letter-spacing: -0.03em;
    line-height: 1.15;
    font-variant-numeric: tabular-nums;
}
.stat-label {
    font-size: 0.72rem;
    color: var(--text-4);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Dashboard sections */
.dash-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.dash-section {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 1.25rem;
}
.dash-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}
.dash-section-title {
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

/* Weekly volume chart */
.chart-section {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}
.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}
.chart-title { font-size: 0.88rem; font-weight: 700; }
.chart-subtitle { font-size: 0.75rem; color: var(--text-4); }
.chart-container {
    position: relative;
    height: 180px;
    display: flex;
    align-items: flex-end;
    gap: 4px;
    padding-bottom: 24px;
}
.chart-bar-wrap {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    justify-content: flex-end;
    position: relative;
}
.chart-bar {
    width: 100%;
    max-width: 48px;
    border-radius: 6px 6px 2px 2px;
    background: linear-gradient(180deg, var(--accent) 0%, rgba(252, 76, 2, 0.4) 100%);
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    min-height: 3px;
    cursor: default;
}
.chart-bar:hover {
    filter: brightness(1.2);
    transform: scaleY(1.03);
    transform-origin: bottom;
}
.chart-bar-value {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-3);
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.2s;
    font-variant-numeric: tabular-nums;
}
.chart-bar-wrap:hover .chart-bar-value { opacity: 1; }
.chart-bar-label {
    position: absolute;
    bottom: -20px;
    font-size: 0.62rem;
    color: var(--text-5);
    white-space: nowrap;
    font-weight: 500;
}

/* Personal records */
.records-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}
.record-card {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 1rem 1.15rem;
    transition: all 0.25s;
}
.record-card:hover { border-color: var(--border-light); }
.record-label {
    font-size: 0.68rem;
    color: var(--text-4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-bottom: 0.35rem;
}
.record-value {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
}
.record-detail {
    font-size: 0.72rem;
    color: var(--text-4);
    margin-top: 0.2rem;
}
.record-value.orange { color: var(--accent); }
.record-value.green { color: var(--green); }
.record-value.blue { color: var(--blue); }
.record-value.purple { color: var(--purple); }

/* ===== SESSION CARDS ===== */
.week-sessions { display: flex; flex-direction: column; gap: 0.35rem; }
.session-card {
    display: flex; align-items: center; gap: 0.65rem;
    padding: 0.6rem 0.75rem;
    border-radius: var(--r-xs);
    background: rgba(255,255,255,0.02);
    border: 1px solid transparent;
    transition: all 0.2s;
}
.session-card:hover { background: rgba(255,255,255,0.04); border-color: var(--border); }
.session-card.completed { opacity: 0.35; }
.session-day {
    font-weight: 700;
    font-size: 0.72rem;
    width: 30px; flex-shrink: 0;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.session-info { flex: 1; display: flex; align-items: center; gap: 0.45rem; flex-wrap: wrap; }
.session-type-badge {
    font-size: 0.65rem;
    padding: 0.15rem 0.55rem;
    border-radius: 20px;
    color: #fff; white-space: nowrap;
    font-weight: 700;
    letter-spacing: 0.01em;
}
.session-title { font-size: 0.8rem; font-weight: 500; }
.session-target { font-size: 0.75rem; color: var(--text-4); }
.btn-check {
    background: none; border: none; cursor: pointer;
    font-size: 1rem; padding: 0.15rem;
    transition: transform 0.2s;
}
.btn-check:hover { transform: scale(1.25); }

/* ===== ACTIVITY LIST (dashboard) ===== */
.activity-list { display: flex; flex-direction: column; gap: 0.35rem; }
.activity-card {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    border-radius: var(--r-xs);
    background: rgba(255,255,255,0.02);
    border: 1px solid transparent;
    transition: all 0.2s;
    text-decoration: none;
    color: inherit;
}
.activity-card:hover { background: rgba(255,255,255,0.04); border-color: var(--border); color: inherit; }
.activity-sport {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.04);
    border-radius: 10px;
    font-size: 1rem;
    flex-shrink: 0;
}
.activity-info { flex: 1; min-width: 0; }
.activity-name {
    display: block; font-size: 0.82rem; font-weight: 600;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    letter-spacing: -0.01em;
}
.activity-date { font-size: 0.7rem; color: var(--text-4); }
.activity-metrics { display: flex; gap: 0.75rem; }
.metric {
    font-size: 0.75rem;
    color: var(--text-3);
    white-space: nowrap;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

/* ===== ACTIVITIES PAGE ===== */
.activities-month-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}
.month-stat {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    padding: 0.85rem 1rem;
}
.month-stat-value {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
}
.month-stat-label {
    font-size: 0.68rem;
    color: var(--text-4);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
}

.filters { display: flex; gap: 0.3rem; }

/* Activity cards grid */
.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 0.75rem;
}
.act-card {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 1.15rem;
    transition: all 0.25s;
    display: block;
    color: inherit;
    text-decoration: none;
}
.act-card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0,0,0,0.2);
    color: inherit;
}
.act-card-top {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.85rem;
}
.act-card-sport {
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    background: var(--accent-soft);
    border-radius: 12px;
    font-size: 1.15rem;
    flex-shrink: 0;
}
.act-card-title {
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.3;
}
.act-card-date { font-size: 0.72rem; color: var(--text-4); margin-top: 0.1rem; }
.act-card-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}
.act-metric {
    text-align: center;
    padding: 0.5rem 0;
    background: rgba(255,255,255,0.02);
    border-radius: var(--r-xs);
}
.act-metric-value {
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
}
.act-metric-label {
    font-size: 0.62rem;
    color: var(--text-4);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
}

.pagination {
    display: flex; align-items: center; justify-content: center;
    gap: 1rem; margin-top: 1.75rem;
}
.page-info { font-size: 0.82rem; color: var(--text-4); }

/* ===== ACTIVITY DETAIL ===== */
.detail-hero {
    margin-bottom: 1.5rem;
}
.detail-back {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.8rem;
    color: var(--text-4);
    margin-bottom: 0.75rem;
}
.detail-back:hover { color: var(--text); }
.detail-sport-icon {
    font-size: 1.5rem;
    display: inline-block;
    margin-right: 0.5rem;
    vertical-align: middle;
}
.detail-title {
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 1.15;
}
.detail-date { font-size: 0.85rem; color: var(--text-4); margin-top: 0.25rem; }

.detail-metrics {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}
.detail-metric {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 1.15rem;
    text-align: center;
}
.detail-metric-value {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
}
.detail-metric-label {
    font-size: 0.68rem;
    color: var(--text-4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-top: 0.3rem;
}

.detail-splits {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--r);
    overflow: hidden;
}
.detail-splits h3 {
    font-size: 0.88rem;
    font-weight: 700;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

/* ===== TABLE (shared) ===== */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}
.data-table th {
    text-align: left;
    padding: 0.7rem 1.1rem;
    color: var(--text-4);
    font-weight: 700;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 1px solid var(--border);
}
.data-table td {
    padding: 0.7rem 1.1rem;
    border-bottom: 1px solid rgba(255,255,255,0.025);
    font-variant-numeric: tabular-nums;
}
.data-table tbody tr { transition: background 0.15s; }
.data-table tbody tr:hover td { background: rgba(255,255,255,0.02); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* Pace bar in splits */
.pace-bar-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.pace-bar {
    height: 6px;
    border-radius: 3px;
    transition: width 0.4s ease;
}
.pace-fast { background: var(--green); }
.pace-mid { background: var(--accent); }
.pace-slow { background: var(--text-4); }

/* ===== PLAN ===== */
.plan-info {
    display: flex; align-items: center; gap: 1.25rem;
    margin-bottom: 1.5rem; flex-wrap: wrap;
}
.plan-name { font-size: 1.1rem; font-weight: 700; letter-spacing: -0.01em; }
.plan-detail {
    font-size: 0.8rem; color: var(--text-4);
    display: inline-flex; align-items: center; gap: 0.35rem;
}
.plan-detail::before {
    content: '';
    width: 3px; height: 3px;
    border-radius: 50%;
    background: var(--text-5);
}

.week-selector {
    display: flex; gap: 0.25rem; margin-bottom: 1.75rem;
    overflow-x: auto; padding-bottom: 0.5rem;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.08) transparent;
}
.week-selector::-webkit-scrollbar { height: 3px; }
.week-selector::-webkit-scrollbar-track { background: transparent; }
.week-selector::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }

.week-pill {
    display: flex; flex-direction: column; align-items: center;
    padding: 0.4rem 0.55rem;
    border-radius: var(--r-xs);
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    font-size: 0.72rem; color: var(--text-4);
    min-width: 46px;
    transition: all 0.2s;
    cursor: pointer;
    text-decoration: none;
}
.week-pill:hover { background: rgba(255,255,255,0.06); color: var(--text-2); border-color: var(--border-light); }
.week-pill.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 2px 12px var(--accent-glow);
}
.week-pill.has-data { border-color: rgba(252, 76, 2, 0.2); }
.week-num { font-weight: 700; font-size: 0.72rem; }
.week-progress { font-size: 0.58rem; opacity: 0.8; }

.plan-week-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 1rem;
}
.plan-week-title { font-size: 1.25rem; font-weight: 800; letter-spacing: -0.03em; }
.week-stats { display: flex; gap: 1.25rem; font-size: 0.8rem; color: var(--text-4); }

.plan-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
    margin-bottom: 2rem;
}
.plan-day {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    overflow: hidden;
    transition: all 0.25s;
}
.plan-day:hover { border-color: var(--border-light); }
.plan-day-header {
    padding: 0.5rem;
    text-align: center;
    font-weight: 700;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-3);
    background: rgba(255,255,255,0.02);
    border-bottom: 1px solid var(--border);
}
.plan-session { padding: 0.75rem; display: flex; flex-direction: column; gap: 0.4rem; }
.plan-session.completed { opacity: 0.35; }
.plan-session.empty { text-align: center; padding: 1.75rem 0.75rem; }
.empty-day { color: var(--text-5); font-size: 0.75rem; }
.session-desc { font-size: 0.7rem; color: var(--text-4); line-height: 1.4; }
.session-targets {
    display: flex; gap: 0.4rem; font-size: 0.7rem;
    color: var(--text-4); flex-wrap: wrap;
    font-variant-numeric: tabular-nums;
}

/* ===== FORMS ===== */
.form-section {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 1.5rem;
}
.form-section h3 {
    margin-bottom: 1.25rem;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}
.session-form, .setup-form { max-width: 720px; }
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.85rem;
    margin-bottom: 0.25rem;
}
.form-group { margin-bottom: 0.85rem; }
.form-group label {
    display: block;
    font-size: 0.68rem;
    color: var(--text-4);
    margin-bottom: 0.35rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.6rem 0.8rem;
    border-radius: var(--r-xs);
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 0.85rem;
    font-family: inherit;
    transition: all 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: rgba(255,255,255,0.06);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-5); }
.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2rem;
}

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: 2.5rem 1.5rem;
}
.empty-state p { color: var(--text-4); margin-bottom: 1.25rem; font-size: 0.88rem; }

/* ===== SYNC LOADING ===== */
.sync-loading { display: inline-flex; align-items: center; gap: 0.45rem; }
.spinner {
    width: 14px; height: 14px;
    border: 2px solid rgba(255,255,255,0.15);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .plan-grid { grid-template-columns: repeat(4, 1fr); }
    .detail-metrics { grid-template-columns: repeat(3, 1fr); }
    .activities-month-bar { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .container { padding: 1rem; }
    .navbar { padding: 0 0.75rem; }
    .nav-links { gap: 0; }
    .nav-link { padding: 0.35rem 0.5rem; font-size: 0.78rem; }
    .hero h1 { font-size: 2.2rem; }
    .hero-features { grid-template-columns: 1fr; max-width: 320px; }
    .stats-strip { grid-template-columns: 1fr 1fr; }
    .dash-grid { grid-template-columns: 1fr; }
    .dash-top { grid-template-columns: 1fr; }
    .plan-grid { grid-template-columns: repeat(2, 1fr); }
    .detail-metrics { grid-template-columns: repeat(2, 1fr); }
    .activities-grid { grid-template-columns: 1fr; }
    .records-grid { grid-template-columns: 1fr 1fr; }
    .page-header { flex-direction: column; align-items: flex-start; gap: 0.6rem; }
}

@media (max-width: 480px) {
    .stats-strip { grid-template-columns: 1fr; }
    .plan-grid { grid-template-columns: 1fr; }
    .detail-metrics { grid-template-columns: 1fr; }
    .navbar { height: 52px; }
    .nav-user { display: none; }
    .hero { padding: 2.5rem 0.5rem 2rem; }
    .hero h1 { font-size: 1.7rem; }
    .records-grid { grid-template-columns: 1fr; }
}