/* Tracker look & feel - Claude Design handoff (_assets/tracker-ui-ux-design, Tracker App.dc.html). */
:root {
    --bg: #F7F8FA;
    --surface: #FFFFFF;
    --ink: #1A1D23;
    --muted: #5E6573;
    --line: #E3E6EB;
    --line-soft: #EEF0F3;
    --input-border: #D5D9DF;
    --track: #ECEEF2;
    --accent: #C2562F;
    --accent-hover: #A8481F;
    --danger: #B42318;
    --danger-bg: #FDECEA;
    --success: #5FC08A;
    --mono: 'Geist Mono', ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 15px/1.45 Geist, system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-hover); }
a:hover { color: #7E3415; }
h1 { margin: 0; font-size: 28px; font-weight: 600; letter-spacing: -0.02em; }
h2 { margin: 0; font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
button { font: inherit; }

.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.strong { font-weight: 500; }
.nowrap { white-space: nowrap; }

/* Inputs: mono values, no number spinners. */
input:not([type=checkbox]) {
    height: 36px;
    border: 1px solid var(--input-border);
    border-radius: 8px;
    padding: 0 10px;
    font: 400 14px var(--mono);
    color: var(--ink);
    background: var(--surface);
    min-width: 0;
}
input:not([type]), input[type=text] { font-family: Geist, sans-serif; }
input:focus-visible { outline: 2px solid var(--ink); outline-offset: -1px; }
input::-webkit-outer-spin-button, input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
input[type=number] { -moz-appearance: textfield; }
input::-webkit-calendar-picker-indicator { opacity: .55; cursor: pointer; }
input[type=checkbox] { accent-color: var(--ink); }

.btn-primary {
    appearance: none;
    border: 0;
    background: var(--accent);
    color: #FFFFFF;
    font: 600 15px Geist, sans-serif;
    height: 48px;
    padding: 0 28px;
    border-radius: 10px;
    cursor: pointer;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary.btn-sm { height: 36px; padding: 0 16px; font-size: 14px; border-radius: 8px; }

.btn-danger-text {
    appearance: none;
    border: 0;
    background: transparent;
    color: var(--danger);
    font: 500 12.5px Geist, sans-serif;
    padding: 6px;
    border-radius: 6px;
    cursor: pointer;
}
.btn-danger-text:hover { background: var(--danger-bg); }

/* Shell */
.topbar { background: var(--surface); border-bottom: 1px solid var(--line); }
.topbar-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 32px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 16px;
    letter-spacing: -0.01em;
    color: var(--ink);
    text-decoration: none;
}
.brand:hover { color: var(--ink); }
.brand-mark { width: 10px; height: 10px; background: var(--accent); border-radius: 2px; }
.nav { display: flex; gap: 4px; }
.nav-link {
    font: 500 14px Geist, sans-serif;
    color: var(--muted);
    padding: 7px 12px;
    border-radius: 6px;
    text-decoration: none;
}
.nav-link:hover { color: var(--ink); }
.nav-link.active { color: var(--ink); background: #F1F2F5; }

.page {
    max-width: 1120px;
    margin: 0 auto;
    padding: 40px 32px 64px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.page-narrow { max-width: 560px; gap: 28px; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; }
.label { font-size: 12px; font-weight: 500; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.field { display: flex; flex-direction: column; gap: 10px; margin: 0; }

/* Chips: Log dataset radios and Chart filters. Active = ink fill. */
.chips { display: flex; flex-wrap: wrap; gap: 6px; min-width: 0; }
.chip {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font: 500 13px Geist, sans-serif;
    padding: 6px 12px;
    min-height: 34px;
    border-radius: 999px;
    white-space: nowrap;
    text-decoration: none;
    color: var(--ink);
    background: var(--surface);
    border: 1px solid var(--input-border);
}
.chip:hover { color: var(--ink); border-color: var(--ink); }
.chip.active, .chip.active:hover { background: var(--ink); color: #FFFFFF; border-color: var(--ink); }
.chip-lg { font-size: 14px; padding: 8px 14px; min-height: 40px; }
.chips:has(.chip-lg) { gap: 8px; }
.dot { width: 8px; height: 8px; border-radius: 50%; flex: 0 0 auto; display: inline-block; }

/* Log */
.date-row { display: flex; align-items: center; gap: 8px; margin: 0; }
.date-row input[type=date] { height: 40px; padding: 0 12px; font-size: 15px; flex: 0 1 180px; }
.stepper {
    width: 40px;
    height: 40px;
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--input-border);
    background: var(--surface);
    border-radius: 8px;
    font: 500 16px Geist, sans-serif;
    color: var(--ink);
    text-decoration: none;
}
.stepper:hover { color: var(--ink); border-color: var(--ink); }
.stepper.disabled { color: #C9CDD4; }
.stepper.disabled:hover { border-color: var(--input-border); }
.date-note { font-size: 13px; color: var(--muted); margin-left: 4px; }

.values { overflow: hidden; }
.value-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 16px;
    border-top: 1px solid var(--line-soft);
    cursor: text;
}
.values > .value-row:first-child { border-top: 0; }
.value-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.value-name { font-weight: 500; }
.value-meta { font-size: 12.5px; color: var(--muted); display: flex; gap: 6px; flex-wrap: wrap; }
.value-delta { color: var(--ink); font-weight: 500; }
.value-box {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
    width: 170px;
    height: 44px;
    border: 1px solid var(--input-border);
    border-radius: 8px;
    background: var(--surface);
    padding: 0 10px 0 12px;
    gap: 6px;
}
.value-box:has(input:focus-visible), .value-box.filled { border-color: var(--ink); }
.value-box input {
    flex: 1;
    height: auto;
    border: 0;
    outline: 0;
    padding: 0;
    background: transparent;
    font: 500 16px var(--mono);
    text-align: right;
}
.value-unit { font-size: 12px; color: var(--muted); min-width: 24px; }

/* <details> footer rows: More measures, Points. Chevron +/- like the design. */
details > summary {
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    font: 500 13.5px Geist, sans-serif;
    color: var(--muted);
    cursor: pointer;
}
details > summary::-webkit-details-marker { display: none; }
.chevron::after { content: '+'; }
details[open] > summary .chevron::after { content: '\2212'; }
.more > summary { border-top: 1px solid var(--line-soft); background: #FAFBFC; }

.submit-bar { padding-top: 18px; }

/* Chart */
.chart-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.custom-toggle { display: none; }
.segmented { display: flex; background: var(--track); border-radius: 8px; padding: 3px; gap: 2px; }
.segment {
    flex: 1 1 auto;
    text-align: center;
    font: 500 13px Geist, sans-serif;
    padding: 7px 12px;
    min-height: 34px;
    border-radius: 6px;
    color: var(--muted);
    text-decoration: none;
    cursor: pointer;
    user-select: none;
}
.segment:hover { color: var(--ink); }
.segment.active,
.custom-toggle:checked + .segmented .segment-custom { background: var(--surface); color: var(--ink); box-shadow: 0 1px 2px rgba(20, 24, 32, .12); }
.custom-toggle:checked + .segmented .segment.active { background: transparent; color: var(--muted); box-shadow: none; }

.custom-range { display: none; flex-wrap: wrap; align-items: center; gap: 8px; justify-content: flex-end; font-size: 13px; color: var(--muted); margin: 0; }
body:has(.custom-toggle:checked) .custom-range { display: flex; }

.filter { padding: 6px 0; }
.filter-row { display: flex; align-items: center; gap: 12px; padding: 8px 14px; }
.filter-row + .filter-row { border-top: 1px solid var(--line-soft); margin: 2px 14px 0; padding: 10px 0 8px; }
.filter-row > .label { flex: 0 0 76px; }
.chips-scroll { overflow-x: auto; scrollbar-width: none; }

.empty { padding: 48px 24px; text-align: center; color: var(--muted); }

.chart-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; align-items: start; }
.chart-card { display: flex; flex-direction: column; min-width: 0; }
.chart-card-head { padding: 16px 18px 4px; display: flex; flex-direction: column; gap: 10px; }
.chart-title { display: flex; align-items: baseline; gap: 8px; }
.chart-title span { font-size: 13px; color: var(--muted); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 20px; }
.legend-item { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.legend-swatch { width: 10px; height: 3px; border-radius: 2px; }
.tracker-chart { height: 240px; margin: 0 8px; }

.points > summary { border-top: 1px solid var(--line-soft); padding: 11px 18px; font-size: 13px; border-radius: 0 0 12px 12px; }
.points > summary:hover { background: #FAFBFC; }
.points-scroll { max-height: 288px; overflow-y: auto; border-top: 1px solid var(--line-soft); }
.points table { width: 100%; border-collapse: collapse; font-size: 13px; }
.points tr { border-bottom: 1px solid #F1F3F5; }
.points td { padding: 8px; }
.points td:first-child { padding-left: 18px; }
.points td:last-child { padding: 4px 12px 4px 4px; }
.points td.wide { width: 100%; }
.points td.wide .dot { width: 7px; height: 7px; margin-right: 7px; }
.points td.num { text-align: right; white-space: nowrap; }
.points-cap { padding: 10px 18px; font-size: 12px; color: var(--muted); }

/* Manage (not in the design; base styles only) */
.manage-row, .manage-form { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0; }
.manage-row form { margin: 0; }
.w-unit { width: 6rem; }
.w-seq { width: 5rem; }

/* Flash toasts (Views/Shared/Components/Alert) */
@keyframes trk-toast { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.toasts {
    position: fixed;
    top: 68px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.toast {
    animation: trk-toast .18s ease-out;
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--ink);
    color: #FFFFFF;
    padding: 10px 12px 10px 14px;
    border-radius: 10px;
    font-size: 14px;
    box-shadow: 0 6px 24px rgba(20, 24, 32, .18);
    white-space: nowrap;
}
.toast-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); }
.toast-close { appearance: none; border: 0; background: transparent; color: #A9AFBA; font: 500 16px Geist, sans-serif; padding: 0 4px; cursor: pointer; line-height: 1; }
.toast-error { background: var(--surface); color: var(--danger); border: 1px solid #F3C4BF; font-weight: 500; box-shadow: 0 6px 24px rgba(20, 24, 32, .10); }
.toast-error .toast-dot { background: var(--danger); }
.toast-error .toast-close { color: var(--danger); }

/* Page overlay: veil + 2px accent bar sweeping the top (mechanics in common.css). */
@keyframes trk-load {
    0% { transform: translateX(-100%) scaleX(.3); }
    50% { transform: translateX(0) scaleX(.6); }
    100% { transform: translateX(100%) scaleX(.3); }
}
.page-overlay { background: rgba(247, 248, 250, .55); align-items: flex-start; }
.page-overlay-bar { position: absolute; top: 0; left: 0; right: 0; height: 2px; overflow: hidden; }
.page-overlay-bar::after { content: ''; display: block; height: 100%; background: var(--accent); animation: trk-load 1s ease-in-out infinite; }

/* Phone */
@media (max-width: 600px) {
    .topbar-inner { padding: 0 16px; }
    .page { padding: 20px 16px 32px; }
    .page-narrow { padding-bottom: 0; }
    h1 { font-size: 24px; }
    .value-box { width: 148px; }
    .submit-bar {
        position: sticky;
        bottom: 0;
        margin-top: -8px;
        padding: 12px 0 16px;
        background: linear-gradient(rgba(247, 248, 250, 0), var(--bg) 30%);
    }
    .submit-bar .btn-primary { width: 100%; }
    .chart-head .segmented { width: 100%; }
    .chips-scroll { flex-wrap: nowrap; }
    .chart-grid { grid-template-columns: minmax(0, 1fr); }
    .tracker-chart { height: 200px; }
}