:root {
    color-scheme: dark;

    --bg: #0a0b12;
    --card-bg: #14151f;
    --card-bg-soft: #1a1c2b;
    --text-main: #f2f3f8;
    --text-muted: #9497ab;
    --text-dim: #5c5e75;

    --accent: #5b7cff;
    --accent-2: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, var(--accent), var(--accent-2));

    --danger: #f8536a;
    --danger-2: #e0304a;
    --success: #34d399;
    --warning: #fbbf24;

    --border: rgba(255, 255, 255, 0.09);
    --border-light: rgba(255, 255, 255, 0.05);
    --shadow-glow: 0 8px 30px rgba(0, 0, 0, 0.45);
}

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

html, body { background-color: var(--bg); }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-main);
    line-height: 1.6;
    position: relative;
    min-height: 100vh;
}

/* Faint fixed dot-grid texture behind everything, for depth without noise. */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.045) 1px, transparent 0);
    background-size: 26px 26px;
    -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 620px);
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 620px);
}

/* Custom scrollbar, matches the dark theme instead of the OS default. */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.14); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.22); }
html { scrollbar-color: rgba(255, 255, 255, 0.16) transparent; }

/* Ambient background glow, fixed behind all content */
.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(70px);
    opacity: 0.55;
    z-index: -1;
    pointer-events: none;
}
.bg-glow-a {
    width: 480px;
    height: 480px;
    top: -80px;
    left: -140px;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
}
.bg-glow-b {
    width: 540px;
    height: 540px;
    bottom: -200px;
    right: -180px;
    background: radial-gradient(circle, var(--accent-2) 0%, transparent 70%);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 16px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Top nav */
.topnav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(10, 11, 18, 0.75);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}
.topnav-inner {
    max-width: 1000px;
    margin: 0 auto;
    padding: 14px 16px 12px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 16px;
}
.topnav .brand {
    font-weight: 800;
    font-size: 1.05rem;
    text-decoration: none;
    margin-right: auto;
    background-image: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.01em;
    transition: filter 0.15s ease;
}
.topnav .brand:hover { filter: brightness(1.25); }

/* Two tiers: frequently-used tracking pages up top, config/account links
   below in a quieter style so the primary nav doesn't feel like one big
   wall of equally-weighted links. */
.topnav-links { display: flex; flex-direction: column; flex-basis: 100%; gap: 8px; }
.topnav-links-primary, .topnav-links-secondary {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
}
.topnav-links-secondary {
    padding-top: 8px;
    border-top: 1px solid var(--border-light);
}
.topnav-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 7px 12px;
    border-radius: 8px;
    font-weight: 500;
    transition: color 0.15s ease, background-color 0.15s ease;
}
.topnav-links a:hover { color: var(--text-main); background: rgba(255, 255, 255, 0.05); text-decoration: none; }
.topnav-links a.active { color: var(--text-main); background: rgba(91, 124, 255, 0.14); font-weight: 600; }
.topnav-links-secondary a { font-size: 0.82rem; color: var(--text-dim); }
.topnav-links-secondary a:hover, .topnav-links-secondary a.active { color: var(--text-main); }
.topnav-divider { width: 1px; height: 14px; background: var(--border); margin: 0 2px; }

.nav-toggle {
    display: none;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-main);
    font-size: 1.2rem;
    line-height: 1;
    padding: 6px 12px;
    cursor: pointer;
}

/* Flash messages */
.flash-list { margin: 16px 0; display: flex; flex-direction: column; gap: 8px; }
.flash {
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 0.9rem;
    border: 1px solid var(--border);
}
.flash-success { background: rgba(52, 211, 153, 0.1); color: var(--success); border-color: rgba(52, 211, 153, 0.35); }
.flash-error { background: rgba(248, 83, 106, 0.1); color: var(--danger); border-color: rgba(248, 83, 106, 0.35); }

/* Headings */
h1 { font-size: 1.9rem; margin-bottom: 8px; color: var(--text-main); font-weight: 800; letter-spacing: -0.01em; }
h2 { font-size: 1.25rem; margin: 24px 0 12px; color: var(--text-main); font-weight: 700; }
p.subtitle { color: var(--text-muted); margin-bottom: 24px; }

/* Cards */
.card {
    background: var(--card-bg);
    background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 80px);
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-glow);
    padding: 22px;
    margin-bottom: 20px;
}
@media (prefers-reduced-motion: no-preference) {
    .card { animation: card-in 0.4s ease both; }
}
@keyframes card-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: none; }
}

/* Icon-chip section header, used at the top of cards for visual consistency
   with the gradient day-headers already used on the plan/food pages. */
.card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.card-header .icon-chip {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    background-image: var(--accent-gradient);
    box-shadow: 0 4px 14px rgba(91, 124, 255, 0.35);
}
.card-header h2 { margin: 0; }
.card-header .card-subtitle { color: var(--text-muted); font-size: 0.85rem; margin-top: 2px; }

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
}
.stat-card {
    display: block;
    position: relative;
    overflow: hidden;
    background: var(--card-bg-soft);
    color: inherit;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 14px 16px 14px 20px;
    transition: transform 0.15s ease, border-color 0.15s ease;
}
.stat-card::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background-image: var(--accent-gradient);
}
.stat-card:nth-child(3n+2)::before { background-image: linear-gradient(135deg, var(--success), #22b8a1); }
.stat-card:nth-child(3n+3)::before { background-image: linear-gradient(135deg, var(--warning), var(--danger)); }
.stat-card .label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; }
.stat-card .value { font-size: 1.6rem; font-weight: 800; margin-top: 4px; color: var(--text-main); }
.stat-card .date { font-size: 0.75rem; color: var(--text-dim); margin-top: 2px; }
.stat-card.is-empty {
    border-style: dashed;
    background: transparent;
}
.stat-card.is-empty::before { opacity: 0.35; }
.stat-card.is-empty .value { font-size: 0.95rem; font-weight: 600; color: var(--text-dim); }
.stat-card:hover { transform: translateY(-2px); border-color: rgba(91, 124, 255, 0.4); }

/* Row of check-in / go-to-workout buttons at the top of the dashboard. */
.quick-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.quick-actions form { display: contents; }
.quick-action-done { cursor: default; opacity: 0.8; }
.quick-action-done:hover { transform: none; }

/* Quick-links style tile grid (dashboard, etc.) - a friendlier alternative
   to a bare bullet list of links. */
.link-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 10px;
}
.link-tile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--card-bg-soft);
    border: 1px solid var(--border);
    border-radius: 14px;
    color: var(--text-main);
    text-decoration: none;
    transition: transform 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}
.link-tile:hover {
    transform: translateY(-2px);
    border-color: rgba(91, 124, 255, 0.4);
    background: rgba(91, 124, 255, 0.09);
    text-decoration: none;
}
.link-tile .link-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 10px;
}
.link-tile .link-text { font-weight: 600; font-size: 0.88rem; }

/* Tables */
.table-wrapper { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
}
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border-light); font-size: 0.9rem; }
th { background-color: rgba(255, 255, 255, 0.03); font-weight: 600; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background-color: rgba(255, 255, 255, 0.03); }
.exercise-name { font-weight: 600; color: var(--text-main); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background-image: var(--accent-gradient);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 12px;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 6px 18px rgba(91, 124, 255, 0.35);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(91, 124, 255, 0.45); text-decoration: none; }
.btn:active { transform: translateY(0); }
.btn-sm { padding: 6px 14px; font-size: 0.78rem; border-radius: 9px; box-shadow: none; }
/* Ghost-style rather than a solid alarming block - delete is a common,
   low-stakes action here (undo is just "log it again"), so it shouldn't
   compete visually with primary actions. */
.btn-danger {
    background-image: none;
    background-color: rgba(248, 83, 106, 0.1);
    color: var(--danger);
    border: 1px solid rgba(248, 83, 106, 0.3);
    box-shadow: none;
}
.btn-danger:hover {
    background-color: rgba(248, 83, 106, 0.2);
    color: #ff9aa8;
    box-shadow: none;
}
.btn-secondary { background-image: none; background-color: rgba(255, 255, 255, 0.06); color: var(--text-main); border: 1px solid var(--border); box-shadow: none; }
.btn-secondary:hover { background-color: rgba(255, 255, 255, 0.1); box-shadow: none; }
.btn-group { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }

/* Forms */
label { display: block; font-size: 0.78rem; font-weight: 600; margin-bottom: 6px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.03em; }
input[type="text"], input[type="password"], input[type="number"], input[type="date"], select, textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 0.9rem;
    font-family: inherit;
    margin-bottom: 14px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-main);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input::placeholder, textarea::placeholder { color: var(--text-dim); }
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(91, 124, 255, 0.25);
}
textarea { font-family: "SF Mono", Consolas, Monaco, "Liberation Mono", monospace; font-size: 0.85rem; }
.form-row { display: flex; flex-wrap: wrap; gap: 12px; }
.form-row > div { flex: 1; min-width: 140px; }

/* Login */
.login-wrap { max-width: 380px; margin: 60px auto; }
.login-wrap p.subtitle { text-align: center; }
.login-wrap .card { box-shadow: 0 0 70px rgba(91, 124, 255, 0.18), var(--shadow-glow); }

/* Footer */
.footer {
    text-align: center;
    margin-top: 48px;
    padding: 24px;
    background-color: var(--card-bg);
    border-radius: 18px;
    border: 1px solid var(--border);
}
.footer a {
    background-image: var(--accent-gradient);
    color: white;
    text-decoration: none;
    border: none;
    padding: 10px 20px;
    border-radius: 12px;
    display: inline-block;
    font-weight: 600;
    box-shadow: 0 6px 18px rgba(91, 124, 255, 0.3);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.footer a:hover { text-decoration: none; transform: translateY(-1px); box-shadow: 0 10px 24px rgba(91, 124, 255, 0.4); }
.footer .credits { margin-top: 14px; color: var(--text-dim); font-size: 0.85rem; }

/* Day / category sections on public pages */
.day-section { margin-bottom: 28px; }
.day-title {
    font-size: 1.05rem;
    font-weight: 700;
    padding: 14px 18px;
    background-image: var(--accent-gradient);
    color: white;
    border-radius: 16px 16px 0 0;
    letter-spacing: 0.01em;
}
.day-section table { border-radius: 0 0 14px 14px; }

/* Accordion variant of the day/title pattern above - used for the workout
   plan, where "today's" day should be open on load and the rest collapsed.
   Native <details>/<summary> gives us that behavior with zero JS. */
.day-accordion { margin-bottom: 18px; border-radius: 16px; }
.day-accordion summary { list-style: none; cursor: pointer; }
.day-accordion summary::-webkit-details-marker { display: none; }
.day-accordion .day-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    border-radius: 16px;
    transition: border-radius 0.15s ease;
    user-select: none;
}
.day-accordion[open] .day-title { border-radius: 16px 16px 0 0; }
.day-accordion .day-title-text { display: flex; align-items: center; gap: 10px; }
.day-accordion .chevron { font-size: 0.8rem; opacity: 0.85; transition: transform 0.2s ease; flex-shrink: 0; }
.day-accordion[open] .chevron { transform: rotate(180deg); }
.day-accordion .today-badge {
    font-size: 0.66rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: rgba(255, 255, 255, 0.22);
    padding: 3px 9px;
    border-radius: 999px;
}
.day-accordion table { border-radius: 0 0 14px 14px; }

/* The exercise rows pack more into each cell (a stacked last-logged
   value/date/suggestion, plus an inline quick-log form) than the base
   table padding was designed for - give them a bit more room. */
.day-accordion td, .day-accordion th { padding: 16px 14px; }
.day-accordion td { vertical-align: middle; }
.day-accordion .last-log-date { margin-top: 3px; }
.day-accordion .progressive-suggestion { margin-top: 5px; }
.day-accordion .exercise-log-form { gap: 8px; row-gap: 6px; flex-wrap: wrap; }

/* ---------------------------------------------------------------- */
/* Dashboard "bento" overview grid                                   */
/* ---------------------------------------------------------------- */
.bento-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    grid-template-areas:
        "activity activity goals score"
        "activity activity goals bmi"
        "weight   metrics  metrics  distance"
        "weight   metrics  metrics  distance";
    gap: 14px;
    margin-bottom: 20px;
}
.bento-card { display: flex; flex-direction: column; margin-bottom: 0; }
.bento-activity { grid-area: activity; }
.bento-goals { grid-area: goals; align-items: center; text-align: center; }
.bento-score { grid-area: score; }
.bento-bmi { grid-area: bmi; }
.bento-weight { grid-area: weight; }
.bento-metrics { grid-area: metrics; }
.bento-distance { grid-area: distance; position: relative; overflow: hidden; justify-content: flex-end; }

.bento-card-title {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 12px;
}

/* Activity bars. flex-basis is explicit (not the shorthand's default 0%) so
   this keeps a sane minimum height even when the card has no extra space to
   grow into - e.g. on mobile, where .bento-activity no longer spans two
   grid rows and would otherwise have nothing to distribute the flex-grow
   into, collapsing the bars to ~0px. */
.activity-chart { display: flex; align-items: flex-end; gap: 8px; flex: 1 1 110px; }
.activity-bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 8px; height: 100%; justify-content: flex-end; }
.activity-bar {
    width: 100%;
    max-width: 30px;
    min-height: 4px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.08);
    transition: height 0.4s ease;
}
.activity-bar.is-today { background-image: var(--accent-gradient); box-shadow: 0 4px 14px rgba(91, 124, 255, 0.4); }
.activity-bar-label { font-size: 0.7rem; color: var(--text-dim); }
.activity-trend { font-size: 1.7rem; font-weight: 800; margin-top: 14px; color: var(--text-main); }
.activity-trend.is-up { color: var(--success); }
.activity-trend.is-down { color: var(--warning); }

/* Circular "ring" progress (weekly goal) */
.progress-ring {
    width: 128px;
    height: 128px;
    border-radius: 50%;
    background: conic-gradient(from -90deg, #8b5cf6 calc(var(--pct, 0) * 1%), rgba(255, 255, 255, 0.08) 0);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 4px auto 10px;
}
.progress-ring-inner {
    width: 72%;
    height: 72%;
    border-radius: 50%;
    background: var(--card-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.progress-ring-value { font-size: 1.5rem; font-weight: 800; color: var(--text-main); }
.progress-ring-sub { font-size: 0.72rem; color: var(--text-muted); margin-top: 2px; }

/* Health score */
.health-score-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.health-score-value { font-size: 2rem; font-weight: 800; color: var(--text-main); }
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 11px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    background: rgba(52, 211, 153, 0.15);
    color: var(--success);
    border: 1px solid rgba(52, 211, 153, 0.3);
}
.badge.is-warning { background: rgba(251, 191, 36, 0.15); color: var(--warning); border-color: rgba(251, 191, 36, 0.3); }
.badge.is-danger { background: rgba(248, 83, 106, 0.15); color: var(--danger); border-color: rgba(248, 83, 106, 0.3); }
.badge.is-neutral { background: rgba(255, 255, 255, 0.08); color: var(--text-muted); border-color: var(--border); }

.segmented-bar { display: flex; gap: 4px; margin-top: 14px; }
.segmented-bar .segment { flex: 1; height: 7px; border-radius: 4px; background: rgba(255, 255, 255, 0.08); }
.segmented-bar .segment.filled { background-image: var(--accent-gradient); }

/* Weight goal card */
.weight-stat-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.weight-stat-row { display: flex; justify-content: space-between; align-items: baseline; font-size: 0.85rem; }
.weight-stat-row span { color: var(--text-muted); }
.weight-stat-row strong { color: var(--text-main); font-size: 0.95rem; }
canvas.sparkline { display: block; width: 100%; height: 60px; margin-top: auto; }

/* Body metrics list ("Calories Analysis"-style rows) */
.metric-row-list { display: flex; flex-direction: column; gap: 6px; }
.metric-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    transition: background-color 0.15s ease;
}
.metric-row:hover { background: rgba(255, 255, 255, 0.05); text-decoration: none; }
.metric-row-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.06);
    font-size: 0.95rem;
}
.metric-row-label { flex: 1; font-weight: 600; font-size: 0.85rem; min-width: 70px; }
.metric-row-value { font-weight: 700; color: var(--text-main); font-size: 0.88rem; min-width: 90px; text-align: right; }
.metric-row-date { color: var(--text-dim); font-size: 0.76rem; min-width: 90px; text-align: right; }
@media (max-width: 640px) {
    .metric-row-date { display: none; }
}

/* Distance walked - map-flavored hero card */
.bento-distance::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 85% 20%, rgba(91, 124, 255, 0.25), transparent 55%),
        radial-gradient(circle at 1.5px 1.5px, rgba(255, 255, 255, 0.16) 1.5px, transparent 0);
    background-size: 100% 100%, 22px 22px;
    pointer-events: none;
}
.distance-value { position: relative; font-size: 2.4rem; font-weight: 800; color: var(--text-main); }
.distance-value small { font-size: 1rem; font-weight: 600; color: var(--text-muted); margin-left: 4px; }
.bento-distance p { position: relative; }
.bento-distance .btn { position: relative; align-self: flex-start; margin-top: 12px; }

@media (max-width: 900px) {
    .bento-grid {
        grid-template-columns: 1fr;
        grid-template-areas:
            "activity"
            "goals"
            "score"
            "bmi"
            "weight"
            "metrics"
            "distance";
    }
    .progress-ring { margin: 4px auto 10px; }
}

/* Quote-of-the-day banner */
.quote-card {
    position: relative;
    padding-left: 44px;
    background: linear-gradient(135deg, rgba(91, 124, 255, 0.12), rgba(139, 92, 246, 0.08));
}
.quote-card .quote-mark {
    position: absolute;
    left: 14px;
    top: 8px;
    font-size: 2.4rem;
    font-family: Georgia, serif;
    color: var(--accent-2);
    opacity: 0.5;
    line-height: 1;
}
.quote-card .quote-text { font-size: 1.02rem; font-style: italic; margin: 0 0 6px; color: var(--text-main); }
.quote-card .quote-author { margin: 0; color: var(--text-muted); font-size: 0.82rem; font-weight: 600; }

/* Two-column layout for content-rich cards (Health Insights / Food Idea) */
.two-col-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}

/* Health insights list */
.insight-list { display: flex; flex-direction: column; gap: 14px; }
.insight-row { padding-bottom: 12px; border-bottom: 1px solid var(--border-light); }
.insight-row:last-child { border-bottom: none; padding-bottom: 0; }
.insight-main { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.insight-label { font-weight: 600; font-size: 0.88rem; color: var(--text-main); }
.insight-value { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 0.92rem; }
.insight-note { margin: 4px 0 0; color: var(--text-dim); font-size: 0.76rem; }

/* Food idea of the day */
.food-of-day-name { font-size: 1.15rem; font-weight: 700; color: var(--text-main); }
.food-of-day-meta { display: flex; align-items: center; gap: 10px; margin: 6px 0 10px; }
.food-of-day-tip { color: var(--text-muted); font-size: 0.88rem; margin: 0; }

/* Progressive-overload: "last logged" + suggestion + inline quick-log form
   inside the workout accordion table */
.last-log-value { display: block; font-weight: 700; color: var(--text-main); font-size: 0.85rem; }
.last-log-date { display: block; color: var(--text-dim); font-size: 0.72rem; }
.progressive-suggestion { display: block; color: var(--success); font-size: 0.76rem; font-weight: 600; margin-top: 2px; }
.exercise-log-form { display: flex; gap: 6px; align-items: center; flex-wrap: nowrap; }
.exercise-log-form input.exercise-log-input {
    width: 64px;
    padding: 6px 8px;
    margin-bottom: 0;
    font-size: 0.82rem;
}
.exercise-log-form input.exercise-log-input-sm { width: 52px; }

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

/* Transient feedback for the AJAX-submitted forms (see ajax-forms.js) -
   appended into the form itself so it sits right next to whatever the
   person just interacted with, instead of a flash message up at the top
   of a page that no longer navigates anywhere. */
.ajax-note {
    display: inline-block;
    margin-left: 8px;
    font-size: 0.78rem;
    font-weight: 600;
    opacity: 0;
    transform: translateY(-2px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    pointer-events: none;
}
.ajax-note.is-visible { opacity: 1; transform: none; }
.ajax-note.is-success { color: var(--success); }
.ajax-note.is-error { color: var(--danger); }
.exercise-log-form .ajax-note { flex-basis: 100%; margin: 2px 0 0; }

canvas.chart { display: block; width: 100%; max-width: 100%; background: var(--card-bg-soft); border: 1px solid var(--border); border-radius: 14px; }

/* ---------------------------------------------------------------- */
/* Mobile                                                            */
/* ---------------------------------------------------------------- */

@media (max-width: 720px) {
    .nav-toggle { display: block; }

    .topnav-links {
        display: none;
        width: 100%;
        gap: 0;
        padding-top: 6px;
        border-top: 1px solid var(--border);
        margin-top: 6px;
    }
    .topnav-links.open { display: flex; }
    .topnav-links-primary, .topnav-links-secondary { flex-direction: column; align-items: stretch; gap: 0; }
    .topnav-links-secondary { margin-top: 8px; padding-top: 10px; }
    .topnav-links a {
        padding: 12px 4px;
        border-bottom: 1px solid var(--border-light);
    }
    .topnav-divider { display: none; }

    .container { padding: 12px; }

    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.15rem; }

    .login-wrap { margin: 24px auto; }

    /* Stack multi-column forms into single-column on small screens */
    .form-row { flex-direction: column; gap: 0; }
    .form-row > div { min-width: 0; width: 100%; }

    /* Prevent iOS Safari auto-zoom on focus (needs >=16px) and give
       inputs/buttons comfortably tappable hit areas. */
    input[type="text"], input[type="password"], input[type="number"],
    input[type="date"], select, textarea {
        font-size: 16px;
        padding: 10px 12px;
    }
    .btn { font-size: 0.85rem; padding: 10px 16px; min-height: 40px; }
    .btn-sm { padding: 8px 12px; font-size: 0.8rem; min-height: 36px; }

    .card { padding: 14px; }
}

@media (max-width: 600px) {
    /* Turn wide, text-heavy tables into stacked cards instead of forcing
       horizontal scrolling, which is painful for reading long notes. */
    table.responsive-table {
        border: none;
        background: transparent;
        overflow: visible;
    }
    table.responsive-table thead { display: none; }
    table.responsive-table, table.responsive-table tbody,
    table.responsive-table tr, table.responsive-table td {
        display: block;
        width: 100%;
    }
    table.responsive-table tr {
        margin-bottom: 14px;
        background: var(--card-bg-soft);
        border: 1px solid var(--border);
        border-radius: 14px;
        overflow: hidden;
    }
    table.responsive-table td {
        border-bottom: 1px solid var(--border-light);
        padding: 10px 14px;
    }
    table.responsive-table td:last-child { border-bottom: none; }
    table.responsive-table td::before {
        content: attr(data-label);
        display: block;
        font-size: 0.7rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        color: var(--text-dim);
        font-weight: 600;
        margin-bottom: 4px;
    }
    table.responsive-table td:empty::before { content: none; }

    th, td { padding: 8px 6px; font-size: 0.8rem; }
    .btn { font-size: 0.75rem; }

    /* The workout accordion's exercise cards need a touch more room than
       plain data tables since each one stacks 4-6 labeled fields. */
    .day-accordion table.responsive-table td { padding: 12px 14px; }
    .day-accordion .exercise-log-form { flex-wrap: wrap; }
}

@media (max-width: 480px) {
    .btn-group { flex-direction: column; }
    .btn-group .btn { width: 100%; text-align: center; }
}

/* === Landing page === */
.hero {
    text-align: center;
    padding: 56px 16px 40px;
}
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: 999px;
    background: rgba(91, 124, 255, 0.12);
    border: 1px solid rgba(91, 124, 255, 0.3);
    color: #b9c4ff;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 20px;
}
.hero-title {
    font-size: 2.6rem;
    line-height: 1.15;
    margin-bottom: 18px;
    background-image: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero-subtitle {
    max-width: 560px;
    margin: 0 auto 28px;
    color: var(--text-muted);
    font-size: 1.05rem;
}
.hero-actions {
    justify-content: center;
}
.hero-note {
    margin: 16px 0 0;
    color: var(--text-dim);
    font-size: 0.82rem;
}
.btn-lg {
    padding: 13px 28px;
    font-size: 1rem;
    border-radius: 14px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin: 8px 0 40px;
}
.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow-glow);
    padding: 24px 22px;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 34px rgba(0, 0, 0, 0.5);
}
.feature-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    font-size: 1.6rem;
    margin-bottom: 14px;
    background-image: linear-gradient(135deg, rgba(91, 124, 255, 0.18), rgba(139, 92, 246, 0.18));
    border: 1px solid rgba(91, 124, 255, 0.25);
}
.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}
.feature-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

@media (max-width: 720px) {
    .hero { padding: 36px 12px 28px; }
    .hero-title { font-size: 1.9rem; }
    .hero-subtitle { font-size: 0.95rem; }
}

/* === Progress widget (dashboard) === */
.progress-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.progress-badge::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 8px currentColor;
}
.progress-badge.on_track { background: rgba(52, 211, 153, 0.15); color: var(--success); }
.progress-badge.mixed { background: rgba(251, 191, 36, 0.15); color: var(--warning); }
.progress-badge.off_track { background: rgba(248, 83, 106, 0.15); color: var(--danger); }
.progress-badge.insufficient_data { background: rgba(148, 151, 171, 0.15); color: var(--text-muted); }
.progress-signals {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 12px;
}
.progress-signal {
    flex: 1 1 220px;
    font-size: 0.9rem;
    color: var(--text-muted);
}
.progress-signal strong { color: var(--text-main); }