/*
 * Shared building blocks used across the app:
 * buttons, cards, section titles, setting rows, segmented controls, switch, stepper, toast.
 */

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  background: var(--surface);
  color: var(--text);
  transition:
    transform 0.1s ease,
    opacity 0.15s ease,
    border-color 0.15s ease;
}
.btn:hover {
  border-color: var(--line-strong);
}
.btn:active {
  transform: translateY(1px);
}
.btn.primary {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--on-ink);
}
.btn.primary:hover {
  opacity: 0.88;
}
.btn svg {
  width: 18px;
  height: 18px;
}
.btn[disabled] {
  opacity: 0.5;
  pointer-events: none;
}
.btn.small {
  height: 32px;
  padding: 0 12px;
  border-radius: 8px;
  font-size: 13px;
}

/* Several buttons on the right side of a .row. */
.row-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

/* Square bordered icon button (delete trip, …). */
.icon-btn {
  width: 44px;
  height: 44px;
  flex: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  display: grid;
  place-items: center;
  color: var(--muted);
  transition:
    color 0.15s,
    border-color 0.15s;
}
.icon-btn:hover {
  color: var(--accent);
  border-color: var(--line-strong);
}
.icon-btn svg {
  width: 18px;
  height: 18px;
}

/* Small square icon button used in dialog headers (close, back). */
.close-btn {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: none;
  display: grid;
  place-items: center;
  color: var(--muted);
}
.close-btn:hover {
  color: var(--text);
  border-color: var(--line-strong);
}
.close-btn svg {
  width: 16px;
  height: 16px;
}

.link {
  background: none;
  border: 0;
  color: var(--accent-text);
  padding: 0;
  font-weight: 600;
  text-underline-offset: 3px;
}
.link:hover {
  text-decoration: underline;
}

/* Down-pointing chevron; rotate it where another direction is needed. */
.chev {
  width: 14px;
  height: 14px;
  color: var(--muted);
  flex: none;
}

/* ---- Sections and cards ---- */

.group-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin: 28px 2px 10px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.005em;
}
.group-title .stats {
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
}

/* A label on the left, a control on the right; stacked rows get a divider. */
.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 52px;
  padding: 8px 14px;
}
.row + .row {
  border-top: 1px solid var(--line);
}
.row > span:first-child {
  font-size: 15px;
}

/* ---- Segmented control: <div class="seg"><label><input type="radio"><span>…</span></label>…</div> ---- */

.seg {
  display: inline-flex;
  gap: 2px;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 2px;
}
.seg label {
  position: relative;
}
.seg input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.seg span {
  display: block;
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
  transition:
    background 0.15s,
    color 0.15s;
}
.seg span:hover {
  color: var(--text);
}
.seg input:checked + span {
  background: var(--ink);
  color: var(--on-ink);
}
.seg input:focus-visible + span {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

/* Variant with an icon instead of text in each segment. */
.seg-icons span {
  display: grid;
  place-items: center;
  padding: 5px 10px;
}
.seg-icons svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
}

/* ---- Toggle switch: <input type="checkbox" class="switch"> ---- */

.switch {
  appearance: none;
  -webkit-appearance: none;
  margin: 0;
  flex: none;
  width: 40px;
  height: 22px;
  border-radius: 11px;
  background: var(--line-strong);
  position: relative;
  cursor: pointer;
  transition: background 0.2s;
}
.switch::before {
  content: '';
  position: absolute;
  top: 3px;
  inset-inline-start: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--surface);
  transition: transform 0.2s;
}
.switch:checked {
  background: var(--ink);
}
.switch:checked::before {
  transform: translateX(18px);
}

/* ---- Number stepper: ‹ value › ---- */

.stepper {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 2px;
}
.stepper button {
  width: 32px;
  height: 28px;
  border: 0;
  background: none;
  border-radius: 6px;
  font-size: 17px;
  color: var(--muted);
}
.stepper button:hover {
  background: var(--soft);
  color: var(--text);
}
.stepper output {
  min-width: 50px;
  text-align: center;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* ---- Flags (emoji or Twemoji <img>) ---- */

.flag {
  flex: none;
  font-size: 24px;
  line-height: 1;
  font-family: 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji', 'Twemoji Mozilla', sans-serif;
}
img.flag {
  width: 26px;
  height: 26px;
  display: block;
}
.flag.globe {
  width: 22px;
  height: 22px;
  color: var(--muted);
}

/* ---- Toast ---- */

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(24px + env(safe-area-inset-bottom));
  transform: translate(-50%, 12px);
  background: var(--ink);
  color: var(--on-ink);
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.2s,
    transform 0.2s;
  z-index: 10;
}
.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}
.toast.show.has-action {
  pointer-events: auto;
}
.toast {
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: calc(100vw - 32px);
}
.toast button {
  white-space: nowrap;
  border: 0;
  background: none;
  padding: 2px 0;
  color: inherit;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 380px) {
  .row > span:first-child {
    font-size: 14px;
  }
  .seg span {
    padding: 5px 9px;
  }
}

/* ---- Right-to-left languages (Arabic) ----
   Layout, grids and flex rows mirror by themselves with <html dir="rtl"> and the logical
   properties used above; only arrow-like icons and the switch knob need flipping. */
[dir='rtl'] .switch:checked::before {
  transform: translateX(-18px);
}
[dir='rtl'] .stepper button,
[dir='rtl'] .back-btn svg,
[dir='rtl'] .dp-nav svg {
  transform: scaleX(-1);
}
[dir='rtl'] .cont-item .chev,
[dir='rtl'] details.adv:not([open]) > summary .chev {
  transform: rotate(90deg);
}