:root {
  --bg: #f6f5f9;
  --card: #ffffff;
  --ink: #1c1b1f;
  --muted: #5d5b66;
  --line: #e2e0e8;
  --accent: #5b4bb7;
  --accent-ink: #ffffff;
  --danger: #b3261e;
  --ok: #196b3f;

  --radius: 14px;
  --gap: 12px;
  /* Anything tappable is at least this tall. Below ~44px, thumbs miss. */
  --tap: 44px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131318;
    --card: #1e1d24;
    --ink: #e7e5ee;
    --muted: #a4a1b0;
    --line: #302e39;
    --accent: #b8a8ff;
    --accent-ink: #241a49;
    --danger: #f2b8b5;
    --ok: #8fd8ab;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

/* ---------------------------------------------------------------- layout */

main {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 16px 16px calc(40px + env(safe-area-inset-bottom));
}

/* Wide screens get a wider column and a two-column dashboard rather than a
   narrow strip marooned in the middle of the display. */
@media (min-width: 1100px) {
  main { max-width: 1080px; padding-left: 24px; padding-right: 24px; }
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 16px;
  padding-top: calc(6px + env(safe-area-inset-top));
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-inner {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

@media (min-width: 1100px) {
  .topbar-inner { max-width: 1080px; }
}

.brand {
  font-weight: 650;
  text-decoration: none;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
  font-size: 17px;
}

.topbar nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

/* Padding rather than height, so the tap area grows without the bar getting tall. */
.topbar nav a,
.topbar nav .link {
  color: var(--accent);
  text-decoration: none;
  font-size: 15px;
  background: none;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
  padding: 0 10px;
  border-radius: 8px;
  white-space: nowrap;
}

.topbar nav a:hover,
.topbar nav .link:hover { background: var(--bg); }

.topbar form { margin: 0; display: flex; }

/* Narrow phones: shrink nav spacing before anything wraps or clips. */
@media (max-width: 380px) {
  .topbar { padding-left: 8px; padding-right: 8px; }
  .brand { font-size: 16px; }
  .topbar nav a, .topbar nav .link { padding: 0 7px; font-size: 14px; }
}

h1 { font-size: clamp(22px, 5vw, 27px); margin: 20px 0 4px; line-height: 1.25; }
h2 { font-size: clamp(17px, 3.5vw, 19px); margin: 28px 0 10px; }
p.sub { color: var(--muted); margin: 0 0 16px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: var(--gap);
}

/* Dashboard becomes two columns once there is room for both to breathe. */
@media (min-width: 900px) {
  .dash {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    align-items: start;
  }
  .dash > section { min-width: 0; }
  .dash h2:first-child { margin-top: 0; }
}

.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.row-main { min-width: 0; }
.row-main strong { display: block; }
.row-main .meta { color: var(--muted); font-size: 14px; overflow-wrap: anywhere; }

/* ----------------------------------------------------------------- forms */

label { display: block; margin: 14px 0 6px; font-size: 14px; font-weight: 550; }

input[type=text], input[type=email], input[type=password], input[type=number], select {
  width: 100%;
  min-height: var(--tap);
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  /* 16px keeps iOS Safari from zooming the page when a field is focused. */
  font-size: 16px;
}

/* Two fields per row once the screen can hold them without cramping. */
@media (min-width: 620px) {
  .field-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 20px;
  }
  .field-grid > .full { grid-column: 1 / -1; }
}

.days { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }

.days label {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 16px;
  min-height: var(--tap);
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  background: var(--bg);
  font-weight: 450;
  user-select: none;
}

.days input { position: absolute; opacity: 0; pointer-events: none; }
.days input:checked + span { color: var(--accent); font-weight: 650; }
.days label:has(input:checked) { border-color: var(--accent); }

/* Checkboxes shipped at 13px — unusable on a phone. */
.check {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  min-height: var(--tap);
  font-weight: 450;
  cursor: pointer;
}
.check input[type=checkbox] {
  width: 22px;
  height: 22px;
  flex: none;
  accent-color: var(--accent);
  cursor: pointer;
}

/* --------------------------------------------------------------- buttons */

button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap);
  padding: 10px 20px;
  border-radius: 999px;
  border: 0;
  background: var(--accent);
  color: var(--accent-ink);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}

button.secondary, .btn.secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--line);
}
button.danger { background: transparent; color: var(--danger); border: 1px solid var(--line); }
button.full, .btn.full { width: 100%; }

.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; }
.actions form { margin: 0; }

/* On the narrowest phones let action buttons stack full width instead of
   squeezing into slivers. */
@media (max-width: 359px) {
  .actions { flex-direction: column; align-items: stretch; }
  .actions form, .actions button, .actions .btn { width: 100%; }
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ------------------------------------------------------------ components */

.pill {
  font-size: 13px;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  white-space: nowrap;
}
.pill.on { color: var(--ok); border-color: currentColor; }
.pill.expired { color: var(--danger); border-color: currentColor; }

.sub-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
}
.sub-status .meta { color: var(--muted); font-size: 14px; }

input[type=date] {
  min-height: var(--tap);
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  font-size: 16px;
}

.log { font-size: 14px; }
.log div { padding: 9px 0; border-bottom: 1px solid var(--line); }
.log div:last-child { border-bottom: 0; }
.log time { color: var(--muted); margin-right: 8px; font-variant-numeric: tabular-nums; }
.log .error { color: var(--danger); }

.notice {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  margin-bottom: 14px;
  font-size: 14px;
}
.notice.warn { border-color: var(--danger); color: var(--danger); }
.notice.ok { border-color: var(--ok); color: var(--ok); }

.empty { color: var(--muted); padding: 24px 0; text-align: center; }

/* Sign-in and change-password are single short forms; centre them rather than
   leaving them stranded at the top of a tall desktop screen. */
.narrow { max-width: 420px; margin-inline: auto; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}