/* Tracker UI — mobile-first, layered on vendored Bootstrap.
   Layout primitives only; Bootstrap supplies resets and form basics. */

:root {
  --t-accent: #6d5bff;
  --t-accent-strong: #5947e6;
  --t-bg: #f4f4fb;
  --t-surface: #ffffff;
  --t-border: #e5e5f0;
  --t-text: #1c1b2b;
  --t-muted: #6f6d8a;
  --t-danger: #d64550;
  --t-radius: 14px;
  --t-shadow: 0 1px 2px rgb(28 27 43 / 0.06), 0 4px 16px rgb(28 27 43 / 0.06);
}

[data-bs-theme="dark"] {
  --t-accent: #8f83ff;
  --t-accent-strong: #a89dff;
  --t-bg: #14131d;
  --t-surface: #1e1d2b;
  --t-border: #323043;
  --t-text: #eceafc;
  --t-muted: #9d9ab5;
  --t-danger: #ff7b84;
  --t-shadow: 0 1px 2px rgb(0 0 0 / 0.4), 0 4px 16px rgb(0 0 0 / 0.35);
}

html { background: var(--t-bg); }

body {
  background: var(--t-bg);
  color: var(--t-text);
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: none;
}

/* ---------- App bar ---------- */

.app-bar {
  position: sticky;
  top: 0;
  z-index: 1030;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem max(1rem, env(safe-area-inset-left)) 0.65rem max(1rem, env(safe-area-inset-left));
  background: color-mix(in srgb, var(--t-surface) 82%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--t-border);
}

.app-bar__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--t-text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.app-bar__brand svg { color: var(--t-accent); }

.app-bar__spacer { flex: 1; }

.app-bar__link {
  color: var(--t-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.5rem 0.6rem;
  border-radius: 10px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.app-bar__link:hover, .app-bar__link:focus-visible { color: var(--t-text); background: var(--t-bg); }

/* ---------- Shell ---------- */

.shell {
  max-width: 640px;
  margin: 0 auto;
  padding: 1.25rem 1rem calc(7rem + env(safe-area-inset-bottom));
}

.shell--narrow { max-width: 440px; }

.page-title {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0.75rem 0 0.25rem;
}

.page-sub { color: var(--t-muted); margin-bottom: 1.25rem; font-size: 0.95rem; }

.section-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--t-muted);
  margin: 1.75rem 0 0.6rem;
}

/* ---------- Surfaces ---------- */

.card-t {
  background: var(--t-surface);
  border: 1px solid var(--t-border);
  border-radius: var(--t-radius);
  box-shadow: var(--t-shadow);
  padding: 1rem;
}

.card-t + .card-t { margin-top: 0.75rem; }

.stack > * + * { margin-top: 0.75rem; }

/* ---------- Tracker list rows ---------- */

.row-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  color: var(--t-text);
  text-decoration: none;
  font-weight: 600;
  min-height: 44px;
}

a.row-link:hover, a.row-link:focus-visible { background: color-mix(in srgb, var(--t-accent) 7%, var(--t-surface)); }

.row-link__name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.row-link__icon { color: var(--t-muted); flex: none; }

/* Keep the row action buttons above the Bootstrap stretched-link overlay that
   otherwise swallows their clicks. */
.row-actions { display: flex; gap: 0.25rem; align-items: center; position: relative; z-index: 2; }

/* ---------- Buttons ---------- */

.btn-t {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 48px;
  padding: 0.6rem 1.1rem;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.12s ease, filter 0.12s ease, background 0.12s ease;
  touch-action: manipulation;
}

.btn-t:active { transform: scale(0.97); }

.btn-accent {
  background: linear-gradient(135deg, var(--t-accent), var(--t-accent-strong));
  color: #fff;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--t-accent) 40%, transparent);
}

.btn-accent:hover, .btn-accent:focus-visible { filter: brightness(1.08); color: #fff; }

.btn-ghost {
  background: transparent;
  border-color: var(--t-border);
  color: var(--t-text);
}

.btn-ghost:hover, .btn-ghost:focus-visible { background: var(--t-bg); }

.btn-danger-t {
  background: color-mix(in srgb, var(--t-danger) 12%, var(--t-surface));
  border-color: color-mix(in srgb, var(--t-danger) 45%, transparent);
  color: var(--t-danger);
}

.btn-danger-t:hover, .btn-danger-t:focus-visible { background: var(--t-danger); color: #fff; }

.btn-block { width: 100%; }

.btn-sm-t { min-height: 40px; padding: 0.3rem 0.75rem; font-size: 0.85rem; border-radius: 10px; }

/* ---------- Forms ---------- */

.form-t label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--t-muted);
  margin-bottom: 0.3rem;
  display: block;
}

.form-t .form-control, .form-t .form-select {
  background: var(--t-surface);
  border-color: var(--t-border);
  color: var(--t-text);
  border-radius: 12px;
  min-height: 48px;
  padding: 0.6rem 0.9rem;
}

.form-t .form-control:focus {
  border-color: var(--t-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--t-accent) 25%, transparent);
}

.form-t .form-control::placeholder { color: var(--t-muted); }

[data-bs-theme="dark"] .form-t .form-control { color-scheme: dark; }

/* ---------- Alerts ---------- */

.alert-t {
  border-radius: 12px;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid color-mix(in srgb, var(--t-danger) 40%, transparent);
  background: color-mix(in srgb, var(--t-danger) 10%, var(--t-surface));
  color: var(--t-danger);
}

/* ---------- Tabs (segmented) ---------- */

.tabs {
  display: flex;
  gap: 0.25rem;
  background: color-mix(in srgb, var(--t-text) 7%, var(--t-surface));
  border-radius: 12px;
  padding: 0.25rem;
  margin: 1rem 0 1.25rem;
}

.tabs a {
  flex: 1;
  text-align: center;
  padding: 0.55rem 0.5rem;
  border-radius: 9px;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--t-muted);
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.tabs a[aria-current="page"] {
  background: var(--t-surface);
  color: var(--t-text);
  box-shadow: var(--t-shadow);
}

/* ---------- Sticky action bar (Now button) ---------- */

.action-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1020;
  padding: 0.75rem max(1rem, env(safe-area-inset-right)) calc(0.75rem + env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
  background: color-mix(in srgb, var(--t-surface) 85%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--t-border);
  display: flex;
  gap: 0.6rem;
  justify-content: center;
}

.action-bar .btn-t { flex: 1; max-width: 320px; }

/* ---------- Events: table on desktop, cards on mobile ---------- */

.events-table { width: 100%; border-collapse: collapse; }

.events-table th {
  text-align: left;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--t-muted);
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--t-border);
}

.events-table td {
  padding: 0.7rem 0.75rem;
  border-bottom: 1px solid var(--t-border);
  vertical-align: middle;
  font-size: 0.92rem;
}

.events-table tr:last-child td { border-bottom: none; }

.events-table .event-note { color: var(--t-muted); }

.event-actions { display: flex; gap: 0.4rem; justify-content: flex-end; align-items: center; }

@media (max-width: 640px) {
  .events-table thead { display: none; }
  .events-table, .events-table tbody, .events-table tr, .events-table td { display: block; width: 100%; }
  .events-table tr {
    background: var(--t-surface);
    border: 1px solid var(--t-border);
    border-radius: var(--t-radius);
    padding: 0.35rem 0.25rem;
    margin-bottom: 0.6rem;
    box-shadow: var(--t-shadow);
  }
  .events-table td {
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.45rem 0.75rem;
  }
  .events-table td::before {
    content: attr(data-label);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--t-muted);
    flex: none;
  }
  .events-table td.event-when { font-weight: 700; font-size: 1rem; }
  .events-table td.event-when::before { display: none; }
  .event-actions { justify-content: stretch; }
  .event-actions > * { flex: 1; }
}

/* ---------- Empty state ---------- */

.empty {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--t-muted);
  border: 1.5px dashed var(--t-border);
  border-radius: var(--t-radius);
}

.empty__icon { font-size: 1.8rem; display: block; margin-bottom: 0.5rem; }

.empty strong { color: var(--t-text); display: block; margin-bottom: 0.25rem; }

/* ---------- Stat cards (graph) ---------- */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin: 1rem 0;
}

.stat {
  background: var(--t-surface);
  border: 1px solid var(--t-border);
  border-radius: var(--t-radius);
  padding: 0.75rem 0.5rem;
  text-align: center;
  box-shadow: var(--t-shadow);
}

.stat__value { font-size: 1.3rem; font-weight: 800; letter-spacing: -0.02em; }

.stat__label { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--t-muted); }

/* ---------- User list (admin) ---------- */

.user-row {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.75rem 1rem;
}

.user-row__name { font-weight: 700; }

.user-row__email { color: var(--t-muted); font-size: 0.88rem; overflow-wrap: anywhere; }

.user-row__actions { margin-top: 0.5rem; display: flex; justify-content: flex-end; }

/* ---------- Details (Add event / share) ---------- */

details.t-details > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 700;
  min-height: 48px;
  color: var(--t-accent-strong);
}

[data-bs-theme="dark"] details.t-details > summary { color: var(--t-accent); }

details.t-details > summary::-webkit-details-marker { display: none; }

details.t-details > summary .chev { transition: transform 0.15s ease; }

details.t-details[open] > summary .chev { transform: rotate(180deg); }

/* ---------- Auth hero ---------- */

.auth-wrap { display: flex; flex-direction: column; justify-content: center; min-height: 100dvh; padding: 1rem 0 2rem; }

.auth-brand { display: flex; align-items: center; gap: 0.6rem; justify-content: center; margin-bottom: 1.25rem; font-weight: 800; font-size: 1.3rem; letter-spacing: -0.02em; }

.auth-brand svg { color: var(--t-accent); }

/* ---------- Misc ---------- */

.text-muted-t { color: var(--t-muted); }

.mono-time { font-variant-numeric: tabular-nums; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}