/* ============================================================
   HARU Web v2 — Gallery Page Styles
   Stitch Astrid aesthetic · Mint+Blue · Gowun Dodum
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Gowun+Dodum&display=swap');
@import url('tokens.css');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; }

body {
  font-family: var(--md-sys-typescale-body-font);
  background: var(--md-sys-color-background);
  color: var(--md-sys-color-on-surface);
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}

/* ── Top App Bar (glass) ─────────────────────────────────── */
.app-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  background: var(--haru-glass-bg);
  backdrop-filter: var(--haru-glass-blur);
  -webkit-backdrop-filter: var(--haru-glass-blur);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.app-bar__back {
  width: 40px; height: 40px;
  border-radius: var(--md-sys-shape-full);
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--md-sys-color-on-surface-variant);
  transition: background var(--md-sys-motion-standard);
}
.app-bar__back:hover { background: var(--md-sys-color-surface-container-high); }
.app-bar__back svg { width: 24px; height: 24px; }

.app-bar__logo {
  width: 32px; height: 32px;
  background: var(--haru-gradient-primary);
  border-radius: var(--md-sys-shape-small);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.app-bar__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
  letter-spacing: -0.01em;
  flex: 1;
}

.app-bar__count {
  font-size: .75rem;
  color: var(--md-sys-color-on-surface-variant);
  background: var(--md-sys-color-surface-container);
  padding: 2px 10px;
  border-radius: var(--md-sys-shape-full);
  display: none;
}
.app-bar__count.visible { display: block; }

/* ── Main layout ─────────────────────────────────────────── */
.main {
  padding-top: 64px; /* app bar */
  max-width: 1440px;
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}

/* ── Filter Bar ──────────────────────────────────────────── */
.filter-bar {
  position: sticky;
  top: 64px;
  z-index: 80;
  background: var(--haru-glass-bg);
  backdrop-filter: var(--haru-glass-blur);
  -webkit-backdrop-filter: var(--haru-glass-blur);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  padding: 10px 0;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.filter-select {
  font-family: var(--md-sys-typescale-label-font);
  font-size: .875rem;
  color: var(--md-sys-color-on-surface-variant);
  background: var(--md-sys-color-surface-container);
  border: 1.5px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-full);
  padding: 6px 14px 6px 12px;
  cursor: pointer;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236F9190' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 30px;
  transition: border-color var(--md-sys-motion-standard), background var(--md-sys-motion-standard);
}
.filter-select:focus, .filter-select:hover {
  border-color: var(--md-sys-color-primary);
  background-color: var(--md-sys-color-surface-container-high);
}
.filter-select.active {
  border-color: var(--md-sys-color-primary);
  color: var(--md-sys-color-primary);
  background-color: var(--md-sys-color-primary-container);
}

.filter-divider {
  width: 1px; height: 20px;
  background: var(--md-sys-color-outline-variant);
  flex-shrink: 0;
}

/* ── Grid ────────────────────────────────────────────────── */
.grid-section { padding: 20px 0 40px; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

@media (min-width: 600px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
}
@media (min-width: 900px) {
  .card-grid { grid-template-columns: repeat(4, 1fr); gap: 20px; }
}
@media (min-width: 1280px) {
  .card-grid { grid-template-columns: repeat(5, 1fr); gap: 20px; }
}

/* ── Card ────────────────────────────────────────────────── */
.char-card {
  background: var(--md-sys-color-surface);
  border-radius: var(--md-sys-shape-large);
  border: 1.5px solid var(--md-sys-color-outline-variant);
  overflow: hidden;
  cursor: pointer;
  transition:
    transform var(--md-sys-motion-standard),
    box-shadow var(--md-sys-motion-standard),
    border-color var(--md-sys-motion-standard);
  position: relative;
}
.char-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--md-sys-elevation-3);
  border-color: var(--md-sys-color-primary);
}
.char-card:active { transform: translateY(-1px); }

.char-card__thumb {
  width: 100%;
  aspect-ratio: 1 / 1.15;
  background: var(--haru-gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.char-card__thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.char-card__thumb-placeholder {
  width: 64px; height: 64px;
  opacity: .3;
}

.char-card__body {
  padding: 10px 12px 12px;
  background: var(--md-sys-color-surface);
}

.char-card__name {
  font-size: .95rem;
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}

.char-card__meta {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}

.char-card__flag {
  font-size: 1rem;
  line-height: 1;
}

.char-card__era {
  font-size: .7rem;
  background: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
  border-radius: var(--md-sys-shape-full);
  padding: 2px 8px;
  white-space: nowrap;
}

.char-card__job {
  font-size: .75rem;
  color: var(--md-sys-color-on-surface-variant);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 3px;
}

/* ── Skeleton loading ────────────────────────────────────── */
@keyframes skeleton-pulse {
  0%   { opacity: 1; }
  50%  { opacity: .4; }
  100% { opacity: 1; }
}

.skeleton-card {
  background: var(--md-sys-color-surface-container);
  border-radius: var(--md-sys-shape-large);
  overflow: hidden;
  animation: skeleton-pulse 1.6s ease-in-out infinite;
}
.skeleton-card__thumb {
  width: 100%;
  aspect-ratio: 1 / 1.15;
  background: var(--md-sys-color-surface-container-high);
}
.skeleton-card__body { padding: 10px 12px 12px; }
.skeleton-line {
  height: 12px;
  border-radius: 6px;
  background: var(--md-sys-color-surface-container-high);
  margin-bottom: 8px;
}
.skeleton-line--short { width: 60%; }
.skeleton-line--xshort { width: 40%; margin-bottom: 0; }

/* ── Empty state ─────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  text-align: center;
  gap: 16px;
}
.empty-state__icon {
  font-size: 4rem;
  line-height: 1;
  opacity: .5;
}
.empty-state__title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--md-sys-color-on-surface-variant);
}
.empty-state__body {
  font-size: .9rem;
  color: var(--md-sys-color-on-surface-variant);
  max-width: 320px;
  line-height: 1.6;
}
.empty-state__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  border-radius: var(--md-sys-shape-full);
  background: var(--haru-gradient-primary);
  color: #fff;
  font-family: var(--md-sys-typescale-label-font);
  font-size: .9rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity var(--md-sys-motion-standard);
}
.empty-state__cta:hover { opacity: .88; }

/* ── Error state ─────────────────────────────────────────── */
.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 24px;
  gap: 14px;
  text-align: center;
}
.error-state__icon { font-size: 3rem; opacity: .6; }
.error-state__msg {
  font-size: .95rem;
  color: var(--md-sys-color-on-surface-variant);
  max-width: 280px;
}
.error-state__retry {
  padding: 9px 22px;
  border-radius: var(--md-sys-shape-full);
  border: 1.5px solid var(--md-sys-color-primary);
  background: transparent;
  color: var(--md-sys-color-primary);
  font-family: var(--md-sys-typescale-label-font);
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--md-sys-motion-standard);
}
.error-state__retry:hover {
  background: var(--md-sys-color-primary-container);
}

/* ── FAB (generate) ──────────────────────────────────────── */
.fab {
  position: fixed;
  right: 20px; bottom: 24px;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 20px;
  border-radius: var(--md-sys-shape-extra-large);
  background: var(--haru-gradient-primary);
  color: #fff;
  font-family: var(--md-sys-typescale-label-font);
  font-size: .9rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  box-shadow: var(--md-sys-elevation-3);
  text-decoration: none;
  transition: transform var(--md-sys-motion-standard), box-shadow var(--md-sys-motion-standard);
}
.fab:hover { transform: scale(1.04); }
.fab svg { width: 20px; height: 20px; }

/* ── Responsive padding ──────────────────────────────────── */
@media (min-width: 600px) {
  .main { padding-left: 24px; padding-right: 24px; }
  .filter-bar { gap: 12px; }
}
@media (min-width: 1024px) {
  .main { padding-left: 40px; padding-right: 40px; }
}