/* ============================================================
   Talpek Dashboard — design system
   ----------------------------------------------------------
   Brand: Talpek green (#1a3629), Talpek cream (#f4f1e8),
   Talpek sage (#3e7361). Same palette as the funnel emails.
   Type: system-ui stack, lining numerals on data tables.
   No frameworks; vanilla CSS only.
============================================================ */

:root {
    --bg:           #f4f1e8;
    --surface:      #ffffff;
    --surface-2:    #faf7ee;
    --ink:          #1a3629;
    --ink-2:        #2a4538;
    --ink-mute:     #4a5550;
    --ink-quiet:    #6a7070;
    --line:         #e5e0d0;
    --line-soft:    #ebe5d4;
    --sage:         #3e7361;
    --sage-bg:      rgba(62, 115, 97, 0.08);
    --warn:         #b8511f;
    --warn-bg:      rgba(184, 81, 31, 0.08);
    --good:         #2e7d4f;
    --good-bg:      rgba(46, 125, 79, 0.08);
    --shadow:       0 1px 2px rgba(26, 54, 41, 0.04), 0 4px 14px rgba(26, 54, 41, 0.06);
    --radius:       12px;
    --radius-sm:    8px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--ink);
    font-size: 14px;
    line-height: 1.5;
    font-feature-settings: 'tnum' 1, 'cv11' 1;
}
a { color: var(--sage); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: inherit; cursor: pointer; }

#app.loading { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.boot { text-align: center; }
.boot-spinner {
    width: 28px; height: 28px;
    border: 2px solid var(--line); border-top-color: var(--ink);
    border-radius: 50%; margin: 0 auto 14px;
    animation: spin .8s linear infinite;
}
.boot-label { font-size: 13px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-quiet); font-weight: 600; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ──────────────────────────────────────────────────────
   App shell
────────────────────────────────────────────────────── */

.app-shell { min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
    background: var(--ink);
    color: var(--bg);
    padding: 14px 28px;
    display: flex; align-items: center; justify-content: space-between;
    box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
    width: 28px; height: 28px; border-radius: 6px;
    background: var(--sage); color: var(--bg);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 14px;
}
.brand-name { font-weight: 700; font-size: 15px; letter-spacing: 0.04em; text-transform: uppercase; }
.brand-name .reference { color: rgba(244, 241, 232, 0.55); font-weight: 500; margin-left: 6px; letter-spacing: 0.02em; }

.topbar-right { display: flex; align-items: center; gap: 16px; }
.user-pill {
    background: rgba(244, 241, 232, 0.08);
    color: var(--bg);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    border: 1px solid rgba(244, 241, 232, 0.14);
}
.btn-link {
    background: none; border: 1px solid rgba(244, 241, 232, 0.2);
    color: var(--bg); padding: 6px 14px; border-radius: 20px;
    font-size: 12px; font-weight: 500;
}
.btn-link:hover { background: rgba(244, 241, 232, 0.08); }

/* Breadcrumb */
.breadcrumb {
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 12px 28px;
    font-size: 13px;
    color: var(--ink-mute);
    display: flex; align-items: center; gap: 8px;
}
.breadcrumb a { color: var(--ink-mute); }
.breadcrumb a:hover { color: var(--ink); text-decoration: none; }
.breadcrumb-sep { color: var(--ink-quiet); opacity: 0.5; }
.breadcrumb-current { color: var(--ink); font-weight: 600; }

/* Tabs (used on course detail) */
.tabs {
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 0 28px;
    display: flex; gap: 4px;
}
.tab {
    background: none; border: 0; padding: 14px 20px;
    color: var(--ink-mute); font-size: 13px; font-weight: 500;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}
.tab:hover { color: var(--ink); }
.tab.active { color: var(--ink); border-bottom-color: var(--ink); font-weight: 600; }

/* Main content */
.main {
    flex: 1;
    padding: 28px;
    max-width: 1320px;
    width: 100%;
    margin: 0 auto;
}

/* ──────────────────────────────────────────────────────
   Cards + grids
────────────────────────────────────────────────────── */

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px 24px;
    box-shadow: var(--shadow);
}
.card-title { font-size: 15px; font-weight: 700; color: var(--ink); margin: 0 0 4px; }
.card-sub   { font-size: 12px; color: var(--ink-quiet); margin: 0 0 18px; }

.grid { display: grid; gap: 18px; }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 920px) { .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; } }

/* Headline-stat cards */
.stat {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px 20px;
}
.stat-label { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-quiet); font-weight: 600; margin: 0 0 8px; }
.stat-value { font-size: 26px; font-weight: 700; color: var(--ink); line-height: 1.1; letter-spacing: -0.01em; }
.stat-sub   { font-size: 12px; color: var(--ink-quiet); margin-top: 4px; }
.stat .accent { color: var(--sage); font-weight: 700; }

/* Course grid (course list) */
.course-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px 22px;
    cursor: pointer;
    transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
    text-decoration: none; color: inherit;
    display: block;
}
.course-card:hover {
    border-color: var(--sage);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(26, 54, 41, 0.10);
    text-decoration: none;
}
.course-id {
    font-family: ui-monospace, SFMono-Regular, 'Menlo', monospace;
    font-size: 11px; color: var(--ink-quiet);
    word-break: break-all; margin-bottom: 6px;
}
.course-name {
    font-size: 16px; font-weight: 700; color: var(--ink);
    margin-bottom: 14px; word-break: break-word;
}
.course-stats { display: flex; gap: 16px; flex-wrap: wrap; }
.course-stat {
    font-size: 12px; color: var(--ink-mute);
}
.course-stat strong { color: var(--ink); font-weight: 700; font-size: 14px; }

/* Tables */
.table {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    width: 100%;
}
.table table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td {
    padding: 10px 16px;
    text-align: left;
    border-bottom: 1px solid var(--line-soft);
}
.table th {
    background: var(--surface-2);
    font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--ink-quiet); font-weight: 700;
    border-bottom: 1px solid var(--line);
    white-space: nowrap;
}
.table tbody tr { transition: background-color .1s ease; }
.table tbody tr:hover { background: var(--surface-2); }
.table tbody tr:last-child td { border-bottom: 0; }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }
.table .mono { font-family: ui-monospace, SFMono-Regular, 'Menlo', monospace; font-size: 12px; }

.table .row-clickable { cursor: pointer; }

/* Pass-rate cells */
.passrate {
    display: inline-flex; align-items: center; gap: 8px;
    font-variant-numeric: tabular-nums;
}
.passrate-bar {
    width: 80px; height: 6px; background: var(--line); border-radius: 3px; overflow: hidden;
}
.passrate-fill {
    height: 100%; background: var(--sage); border-radius: 3px;
}
.passrate.bad .passrate-fill   { background: var(--warn); }
.passrate.good .passrate-fill  { background: var(--good); }

/* Tags / badges */
.tag {
    display: inline-block; font-size: 11px; padding: 3px 9px;
    border-radius: 999px; font-weight: 600;
    background: var(--sage-bg); color: var(--sage);
    letter-spacing: 0.02em;
}
.tag.mute { background: rgba(106, 112, 112, 0.08); color: var(--ink-quiet); }
.tag.warn { background: var(--warn-bg); color: var(--warn); }
.tag.good { background: var(--good-bg); color: var(--good); }

/* Empty / error states */
.empty {
    background: var(--surface);
    border: 1px dashed var(--line);
    border-radius: var(--radius);
    padding: 60px 28px;
    text-align: center;
    color: var(--ink-mute);
}
.empty-title { font-size: 15px; font-weight: 700; color: var(--ink); margin: 0 0 6px; }
.empty p { margin: 0; font-size: 13px; color: var(--ink-quiet); }

.error {
    background: rgba(184, 81, 31, 0.06);
    border: 1px solid rgba(184, 81, 31, 0.2);
    color: var(--warn);
    border-radius: var(--radius);
    padding: 14px 18px;
    font-size: 13px;
    margin-bottom: 18px;
}

/* Spinner inline */
.inline-spinner {
    display: inline-block;
    width: 14px; height: 14px;
    border: 2px solid var(--line); border-top-color: var(--ink);
    border-radius: 50%;
    animation: spin .7s linear infinite;
    vertical-align: middle;
}

/* Section header (above content blocks) */
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin: 0 0 14px; }
.section-head h2 { margin: 0; font-size: 15px; font-weight: 700; color: var(--ink); }
.section-head .meta { font-size: 12px; color: var(--ink-quiet); }

/* Timeline (per-learner narrative) */
.timeline {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px 24px;
}
.tl-event { padding: 10px 0; border-bottom: 1px solid var(--line-soft); display: grid; grid-template-columns: 96px 96px 1fr; gap: 16px; align-items: baseline; }
.tl-event:last-child { border-bottom: 0; }
.tl-time { font-size: 11px; color: var(--ink-quiet); font-variant-numeric: tabular-nums; }
.tl-verb {
    display: inline-block; font-size: 11px; padding: 2px 9px;
    border-radius: 999px; font-weight: 600; text-transform: lowercase;
    background: var(--sage-bg); color: var(--sage);
    letter-spacing: 0.02em; align-self: start; max-width: max-content;
}
.tl-verb.passed   { background: var(--good-bg); color: var(--good); }
.tl-verb.failed,
.tl-verb.answered.wrong { background: var(--warn-bg); color: var(--warn); }
.tl-verb.completed{ background: var(--good-bg); color: var(--good); }
.tl-body { font-size: 13px; color: var(--ink); }
.tl-body .question { font-weight: 600; }
.tl-body .choice { color: var(--ink-mute); margin-top: 4px; font-size: 12px; }
.tl-body .choice.right { color: var(--good); }
.tl-body .choice.wrong { color: var(--warn); }
.tl-body .id { font-family: ui-monospace, SFMono-Regular, 'Menlo', monospace; font-size: 11px; color: var(--ink-quiet); }

/* ──────────────────────────────────────────────────────
   Login screen
────────────────────────────────────────────────────── */

.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg); padding: 24px; }
.login-card {
    width: 100%; max-width: 420px; background: var(--surface);
    border: 1px solid var(--line); border-radius: var(--radius);
    padding: 36px 36px 32px; box-shadow: var(--shadow);
}
.login-eyebrow {
    display: inline-block; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--sage); font-weight: 700;
    padding: 4px 12px; background: var(--sage-bg); border-radius: 20px; margin-bottom: 20px;
}
.login-card h1 { margin: 0 0 8px; font-size: 22px; font-weight: 700; color: var(--ink); letter-spacing: -0.01em; }
.login-card p  { margin: 0 0 22px; font-size: 14px; color: var(--ink-mute); line-height: 1.55; }

.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12px; font-weight: 600; color: var(--ink); margin-bottom: 6px; letter-spacing: 0.02em; }
.field input {
    width: 100%; box-sizing: border-box; padding: 12px 14px;
    border: 1px solid var(--line); border-radius: var(--radius-sm);
    background: var(--surface);
    font-size: 14px; color: var(--ink); font-family: inherit;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus {
    outline: none; border-color: var(--sage); box-shadow: 0 0 0 3px var(--sage-bg);
}

.btn-primary {
    width: 100%; padding: 12px 16px; border-radius: var(--radius-sm);
    background: var(--ink); color: var(--bg); border: 0;
    font-size: 14px; font-weight: 700; letter-spacing: 0.02em;
    transition: background .15s ease, transform .1s ease;
}
.btn-primary:hover { background: var(--ink-2); }
.btn-primary:active { transform: translateY(1px); }
.btn-primary[disabled] { opacity: .55; cursor: not-allowed; }

.login-msg {
    margin-top: 16px; padding: 12px 14px; border-radius: var(--radius-sm);
    font-size: 13px; line-height: 1.5;
}
.login-msg.success { background: var(--good-bg); color: var(--good); }
.login-msg.error { background: var(--warn-bg); color: var(--warn); }