/*
  Kampi Referral Portal - hand-written styles.
  Tokens are lifted from Kampi-v2/DESIGN.md (the manual-canonical hex values,
  not the Tailwind config, which has documented drift on mud/sand).
  Field-manual feel: cream paper, one olive accent, tinted shadows, no white.
*/

:root {
  --kampi-khaki: #5f6f3a;
  --kampi-khaki-light: #7a8f4f;
  --kampi-khaki-dark: #4a5a28;
  --kampi-mud: #5a5034;
  --kampi-sand: #bb8a45;
  --kampi-sand-light: #d6a45c;
  --lilac-skies: #f5e1b9;
  --lilac-skies-light: #f8e9c9;
  --kampi-cream: #faf8f5;
  --kampi-night: #2c2c2c;
  --kampi-ash: #4a4a4a;
  --alert-red: #b91c1c;
  --alert-amber: #b45309;
  --alert-green: #15803d;

  --shadow-card-md: 0 8px 32px rgba(28, 32, 18, 0.1);
  --shadow-3d: 0 4px 0 rgba(28, 32, 18, 0.28);
  --shadow-3d-pressed: 0 2px 0 rgba(28, 32, 18, 0.28);
  --resting-separator: 1.5px solid rgba(44, 44, 44, 0.1);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 9999px;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;

  --font-body: "Montserrat", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --container-max: 720px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--kampi-cream);
  color: var(--kampi-night);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--kampi-night);
  color: var(--kampi-cream);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  z-index: 100;
}
.skip-link:focus {
  left: var(--space-sm);
  top: var(--space-sm);
}

button, input, select {
  font-family: inherit;
  font-size: 1rem;
}

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

/* ---------- Header ---------- */

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-md);
  max-width: var(--container-max);
  margin: 0 auto;
}

.site-header__brand {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.wordmark {
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 0.01em;
  color: var(--kampi-khaki);
}

.subtitle {
  font-size: 0.8125rem;
  color: var(--kampi-ash);
  font-weight: 500;
}

.site-header__utility {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.brand-assets-link {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--kampi-khaki);
  text-decoration: underline;
  text-underline-offset: 2px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.brand-assets-hint {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md) var(--space-sm);
  font-size: 0.8125rem;
  color: var(--kampi-ash);
}

.lang-toggle {
  display: inline-flex;
  border: var(--resting-separator);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.lang-toggle__btn {
  border: none;
  background: transparent;
  color: var(--kampi-ash);
  padding: 10px 14px;
  min-height: 44px;
  min-width: 44px;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.lang-toggle__btn[aria-pressed="true"] {
  background: var(--kampi-khaki);
  color: var(--kampi-cream);
}

/* ---------- Layout ---------- */

.app-shell {
  max-width: var(--container-max);
  margin: 0 auto;
  /* --share-bar-h is written by app.js (ResizeObserver on #shareBar) so this
     clears the bar's real rendered height, not a guessed constant. */
  padding: 0 var(--space-md) calc(var(--share-bar-h, 0px) + 24px);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.panel {
  background: var(--kampi-cream);
  border: var(--resting-separator);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card-md);
  padding: var(--space-lg);
}

.panel__label {
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--kampi-ash);
  margin: 0 0 var(--space-sm);
  display: block;
}

.helper-text {
  font-size: 0.8125rem;
  color: var(--kampi-ash);
  margin: var(--space-sm) 0 0;
}

/* ---------- Inputs ---------- */

.text-input {
  width: 100%;
  background: var(--kampi-cream);
  border: 2px solid rgba(44, 44, 44, 0.18);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  min-height: 44px;
  color: var(--kampi-night);
  transition: border-color 200ms ease;
}

.text-input:focus {
  border-color: var(--kampi-khaki);
  outline: none;
}

.text-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.text-input.is-error {
  border-color: var(--alert-red);
}

select.text-input {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' fill='none' stroke='%232c2c2c' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 12px;
  padding-right: 32px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.field label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--kampi-night);
}

.field-hint {
  font-size: 0.75rem;
  color: var(--kampi-ash);
}

.filters-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-md);
}

.field--span2 {
  grid-column: 1 / -1;
}

.filters-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: none;
  font-weight: 700;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: transform 100ms ease, box-shadow 100ms ease, background-color 150ms ease-out;
}

.btn--primary {
  background: var(--kampi-khaki);
  color: var(--kampi-cream);
  box-shadow: var(--shadow-3d);
}
.btn--primary:hover {
  background: var(--kampi-khaki-light);
  transform: translateY(-1px);
}
.btn--primary:active {
  background: var(--kampi-khaki-dark);
  box-shadow: var(--shadow-3d-pressed);
  transform: translateY(1px);
}

.btn--secondary {
  background: var(--kampi-cream);
  color: var(--kampi-khaki);
  border: 1.5px solid var(--kampi-khaki);
}
.btn--secondary:hover {
  background: rgba(95, 111, 58, 0.1);
}

.btn--ghost {
  background: transparent;
  color: var(--kampi-khaki);
}
.btn--ghost:hover {
  background: rgba(95, 111, 58, 0.1);
}

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

.btn--whatsapp {
  gap: 8px;
}

/* ---------- Results ---------- */

.results-count {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--kampi-ash);
  margin: 0;
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 560px) {
  .results-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.camper-card {
  background: var(--kampi-cream);
  border: var(--resting-separator);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.camper-card__photo-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--lilac-skies-light);
}

.camper-card__photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.camper-card__photo-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--kampi-ash);
  font-size: 0.75rem;
  font-weight: 600;
  text-align: center;
  padding: var(--space-sm);
}

.camper-card__body {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.camper-card__title {
  font-weight: 600;
  font-size: 1rem;
  margin: 0;
  color: var(--kampi-night);
}

.camper-card__meta {
  font-size: 0.8125rem;
  color: var(--kampi-ash);
  margin: 0;
}

.chip {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-pill);
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  width: fit-content;
}

.chip--sand {
  background: var(--kampi-sand);
  /* Deviates from DESIGN.md's chip-emphasis token pairing (cream-on-sand):
     cream-on-sand is ~2.9:1, failing WCAG AA at this weight/size. Night-on-sand
     is ~4.55:1, so it's used here for AA compliance. */
  color: var(--kampi-night);
}

.chip--soft {
  background: var(--lilac-skies);
  color: var(--kampi-night);
}

.camper-card__footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-top: var(--space-sm);
}

.select-toggle {
  min-height: 44px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--kampi-khaki);
  background: var(--kampi-cream);
  color: var(--kampi-khaki);
  font-weight: 700;
  font-size: 0.8125rem;
  cursor: pointer;
}

.select-toggle.is-selected {
  background: var(--kampi-khaki);
  color: var(--kampi-cream);
}

.select-toggle:disabled,
.select-toggle.is-capped {
  opacity: 0.45;
  cursor: not-allowed;
}

.copy-link-btn {
  min-height: 44px;
  min-width: 44px;
  border: none;
  background: transparent;
  color: var(--kampi-ash);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.copy-link-btn:hover {
  color: var(--kampi-khaki);
}

/* ---------- States (loading / error / empty / initial) ---------- */

.state-slot:empty {
  display: none;
}

.state-block {
  border: var(--resting-separator);
  border-radius: var(--radius-xl);
  background: var(--kampi-cream);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  box-shadow: var(--shadow-card-md);
}

.state-block__title {
  font-weight: 700;
  font-size: 1.125rem;
  margin: 0 0 var(--space-sm);
  color: var(--kampi-night);
}

.state-block__body {
  color: var(--kampi-ash);
  margin: 0 0 var(--space-md);
}

.state-block--error .state-block__title {
  color: var(--alert-red);
}

.skeleton-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 560px) {
  .skeleton-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.skeleton-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: var(--resting-separator);
}

.skeleton-block {
  background: linear-gradient(90deg, var(--lilac-skies-light) 25%, var(--lilac-skies) 50%, var(--lilac-skies-light) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.6s ease-in-out infinite;
}

.skeleton-card .skeleton-block:first-child {
  aspect-ratio: 4 / 3;
}

.skeleton-card .skeleton-line {
  height: 14px;
  margin: var(--space-sm) var(--space-md) 0;
  border-radius: var(--radius-sm);
}

.skeleton-card .skeleton-line:last-child {
  margin-bottom: var(--space-md);
  width: 60%;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.load-more {
  align-self: center;
}

/* ---------- Share bar ---------- */

.share-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--kampi-cream);
  border-top: var(--resting-separator);
  box-shadow: 0 -8px 32px rgba(28, 32, 18, 0.14);
  z-index: 40;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.share-bar__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md) var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.share-bar__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.share-bar__count {
  font-weight: 700;
  color: var(--kampi-khaki);
  font-size: 0.9375rem;
}

.share-bar__hint {
  color: var(--alert-amber);
  font-size: 0.8125rem;
  font-weight: 600;
  margin: 0;
}

.camper-card__badges {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.selected-strip {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  padding-bottom: 2px;
}

.selected-chip {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--lilac-skies-light);
  border: var(--resting-separator);
  border-radius: var(--radius-pill);
  padding: 6px 8px 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  max-width: 220px;
}

.selected-chip__title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.selected-chip__copy {
  position: relative;
  border: none;
  background: transparent;
  color: var(--kampi-khaki);
  font-weight: 700;
  cursor: pointer;
  min-height: 32px;
  padding: 0 6px;
}

/* Expand the tap target to the 44px touch-target minimum without growing
   the visible chip: the strip only ever wraps a single row, so extending
   the hit area above/below the button can't collide with another row. */
.selected-chip__copy::before {
  content: "";
  position: absolute;
  inset: -6px 0;
}

.share-bar__actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.share-bar__actions .btn {
  flex: 1 1 auto;
}

.share-bar__note {
  font-size: 0.75rem;
  color: var(--kampi-ash);
  margin: 0;
}

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

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: var(--kampi-night);
  color: var(--kampi-cream);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  z-index: 60;
  box-shadow: var(--shadow-card-md);
  max-width: calc(100vw - 32px);
  white-space: pre-line;
}

.toast--error {
  background: var(--alert-red);
}

/* ---------- Desktop refinements ---------- */

@media (min-width: 900px) {
  .app-shell {
    padding-bottom: calc(var(--share-bar-h, 0px) + 24px);
  }
  .filters-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .field--span2 {
    grid-column: span 2;
  }
}