/* =====================================================================
   components.css — reusable pieces, each defined once:
   buttons, chips, cards, badges, section headers, tooltips, toasts,
   form fields and the photo lightbox.
   ✏️ Safe to edit: sizes, radii, spacing. Colors come from tokens.css.
   ===================================================================== */

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0 1.25rem;
  border: 1.5px solid transparent;
  border-radius: var(--radius-pill);
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.btn__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background: var(--coral);
  color: var(--ink);
  box-shadow: var(--shadow-coral);
}

.btn--primary:hover {
  background: var(--coral-strong);
}

.btn--ghost {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

.btn--ghost:hover {
  background: var(--c-accent-soft);
}

.btn--quiet {
  padding: 0 0.85rem;
  color: var(--c-text);
}

.btn--quiet:hover,
.btn--quiet[aria-pressed="true"] {
  background: var(--c-accent-soft);
  color: var(--c-accent);
}

.btn--quiet[aria-pressed="true"]::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.btn--icon {
  width: 44px;
  padding: 0;
  border-color: var(--c-border);
  color: var(--c-text);
}

.btn--icon .icon {
  width: 20px;
  height: 20px;
}

.btn--icon:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ---------- Chips ---------- */
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  background: var(--c-card);
  color: var(--c-text);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.35;
}

/* Interactive chips (with a tooltip, or filters) get full-size touch targets */
.chip--tip,
.chip--filter {
  min-height: 44px;
  padding-inline: 1rem;
  text-align: left;
}

.chip--tip {
  border-style: dashed;
  border-color: var(--c-accent);
  cursor: help;
}

.chip--tip::after {
  content: "i";
  display: grid;
  place-items: center;
  width: 1.15rem;
  height: 1.15rem;
  margin-left: 0.5rem;
  border-radius: 50%;
  background: var(--c-accent-soft);
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.chip--filter[aria-pressed="true"] {
  border-color: var(--c-accent);
  background: var(--c-accent);
  color: var(--c-on-accent);
}

.chip-wrap {
  position: relative;
}

/* ---------- Tooltips ---------- */
.tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  z-index: 5;
  width: max-content;
  max-width: min(16rem, 80vw);
  padding: 0.45rem 0.75rem;
  border-radius: 10px;
  background: var(--ink);
  color: var(--foam);
  font-size: 0.85rem;
  line-height: 1.4;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translate(-50%, 4px);
  transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
  pointer-events: none;
}

[data-theme="dark"] .tooltip {
  background: var(--foam);
  color: var(--ink);
}

.chip--tip:hover + .tooltip,
.chip--tip:focus-visible + .tooltip,
.chip--tip[aria-expanded="true"] + .tooltip {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- Cards ---------- */
.card {
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  background: var(--c-card);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}

/* Glass cards in dark water: solid translucent on phones, blurred on bigger screens */
[data-theme="dark"] .card {
  background: var(--glass-solid);
  box-shadow: none;
}

@media (min-width: 768px) {
  [data-theme="dark"] .card {
    background: var(--glass);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }
}

/* ---------- Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  width: fit-content;
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--c-accent);
  border-radius: var(--radius-pill);
  background: var(--c-accent-soft);
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge--glow::before {
  content: "✓";
}

.country-badge {
  padding: 0.1rem 0.45rem;
  border: 1px solid currentColor;
  border-radius: 6px;
  font-weight: 500;
  letter-spacing: 0.08em;
}

/* Status badge with a softly pulsing dot */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  background: var(--c-card);
  font-size: 0.95rem;
  font-weight: 700;
}

.status-badge__dot {
  position: relative;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-green);
}

.status-badge__dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--c-green);
  animation: pulse-ring 2.4s var(--ease-out) infinite;
}

/* ---------- Section header + depth label ---------- */
.section-header {
  max-width: 48rem;
  margin-bottom: var(--space-6);
}

.section-header__title {
  margin-top: var(--space-2);
}

.section-header__intro {
  margin-top: var(--space-3);
  color: var(--c-muted);
  font-size: var(--step-1);
}

.depth-label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--c-muted);
}

.depth-label__ticks {
  width: 4.5rem;
  height: 10px;
  flex-shrink: 0;
  border-bottom: 1px solid currentColor;
  background: repeating-linear-gradient(to right, currentColor 0 1px, transparent 1px 8px) bottom / 100% 6px no-repeat;
  opacity: 0.7;
}

/* ---------- Toasts ---------- */
.toast-region {
  position: fixed;
  bottom: calc(var(--space-3) + 56px);
  left: 50%;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  width: min(92vw, 26rem);
  transform: translateX(-50%);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.05rem;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  background: var(--zone-6);
  color: var(--foam);
  font-size: 0.95rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
}

.toast.is-visible {
  opacity: 1;
  transform: none;
}

.toast__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--glow);
}

/* ---------- Form fields ---------- */
.field {
  display: grid;
  gap: var(--space-1);
}

.field__label {
  font-size: 0.95rem;
  font-weight: 700;
}

.field__input {
  width: 100%;
  min-height: 44px;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  background: var(--c-card);
  color: var(--c-text);
  resize: vertical;
}

.field__input:focus-visible {
  border-color: var(--c-accent);
}

.field__input[aria-invalid="true"] {
  border-color: var(--coral);
}

.field__error {
  min-height: 1.2em;
  color: var(--coral);
  font-size: 0.88rem;
}

/* ---------- Lightbox (native <dialog>) ---------- */
.lightbox {
  width: 100vw;
  max-width: none;
  height: 100vh;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: var(--space-6) var(--space-3);
  border: 0;
  background: var(--scrim);
  color: var(--foam);
}

.lightbox[open] {
  display: grid;
  place-items: center;
}

.lightbox::backdrop {
  background: transparent;
}

.lightbox__figure {
  display: grid;
  justify-items: center;
  gap: var(--space-3);
  max-width: min(100%, 72rem);
}

.lightbox__img {
  width: auto;
  max-width: 100%;
  max-height: 76vh;
  border-radius: var(--radius-md);
  object-fit: contain;
}

.lightbox__caption {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-1) var(--space-3);
  text-align: center;
}

.lightbox__location,
.lightbox__counter {
  color: var(--foam-muted);
}

.lightbox .btn--icon {
  position: absolute;
  background: var(--glass-strong);
  border-color: var(--glass-border);
  color: var(--foam);
}

.lightbox__close {
  top: var(--space-3);
  right: var(--space-3);
}

.lightbox__prev,
.lightbox__next {
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__prev {
  left: var(--space-3);
}

.lightbox__next {
  right: var(--space-3);
}

.lightbox__prev:hover,
.lightbox__next:hover {
  transform: translateY(-50%);
}