:root {
  --bg: var(--tg-theme-bg-color, #eef2ff);
  --text: var(--tg-theme-text-color, #0f172a);
  --hint: var(--tg-theme-hint-color, #64748b);
  --panel: var(--tg-theme-secondary-bg-color, #fff);
  --btn: var(--tg-theme-button-color, #6366f1);
  --btn-text: var(--tg-theme-button-text-color, #fff);
  --line: color-mix(in srgb, var(--text) 8%, transparent);
  --shadow: 0 8px 24px color-mix(in srgb, var(--text) 8%, transparent);
  --shadow-sm: 0 2px 10px color-mix(in srgb, var(--text) 6%, transparent);
  --radius: 16px;
  --radius-sm: 12px;
  --accent: #6366f1;
  --accent-soft: color-mix(in srgb, var(--accent) 14%, transparent);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Tahoma, Arial, sans-serif;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, color-mix(in srgb, var(--accent) 18%, transparent), transparent),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  max-width: 520px;
  margin: 0 auto;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 16px 10px;
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.logo {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 18px;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.2;
}

.subtitle {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--hint);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  background: var(--panel);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.pill-icon { font-size: 14px; }

main {
  flex: 1;
  padding: 4px 16px calc(96px + env(safe-area-inset-bottom));
}

.page-enter {
  animation: fadeUp .28s ease;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(520px, 100%);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--line);
}

nav button {
  border: 0;
  background: transparent;
  color: var(--hint);
  padding: 8px 4px;
  border-radius: 14px;
  font-size: 11px;
  font-weight: 600;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  transition: background .2s, color .2s, transform .15s;
}

nav button:active { transform: scale(.96); }

nav button.active {
  background: var(--accent-soft);
  color: var(--accent);
}

.nav-icon { font-size: 20px; line-height: 1; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
}

.card.highlight {
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 10%, var(--panel)), var(--panel));
  border-color: color-mix(in srgb, var(--accent) 22%, transparent);
}

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.stat-card {
  text-align: center;
  padding: 14px 10px;
}

.stat-card .price { font-size: 22px; margin-top: 4px; }

.btn {
  display: block;
  width: 100%;
  border: 0;
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  background: linear-gradient(135deg, var(--btn), color-mix(in srgb, var(--btn) 80%, #8b5cf6));
  color: var(--btn-text);
  margin-top: 10px;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--btn) 35%, transparent);
  transition: transform .15s, opacity .15s;
}

.btn:active { transform: scale(.98); opacity: .92; }

.btn.secondary {
  background: transparent;
  color: var(--btn);
  border: 1.5px solid color-mix(in srgb, var(--btn) 40%, transparent);
  box-shadow: none;
}

.btn.ghost {
  background: var(--panel);
  color: var(--hint);
  border: 1px solid var(--line);
  box-shadow: none;
}

.cat-grid {
  display: grid;
  gap: 10px;
}

.cat-card {
  width: 100%;
  text-align: right;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 14px 14px 12px;
  margin-bottom: 0;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-sm);
  transition: transform .15s, box-shadow .2s;
}

.cat-card:active {
  transform: scale(.985);
  box-shadow: none;
}

.cat-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 22px;
  flex-shrink: 0;
  background: var(--accent-soft);
}

.cat-info { flex: 1; min-width: 0; }

.cat-title {
  display: block;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 2px;
}

.cat-desc {
  display: block;
  font-size: 12px;
  color: var(--hint);
}

.cat-arrow {
  color: var(--hint);
  font-size: 20px;
  opacity: .5;
}

.list-btn {
  width: 100%;
  text-align: right;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 8px;
  font-size: 15px;
  color: var(--text);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform .15s;
}

.list-btn:active { transform: scale(.985); }

.product-card {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.product-card .price {
  font-size: 14px;
  white-space: nowrap;
  margin-top: 2px;
}

.muted { color: var(--hint); font-size: 13px; line-height: 1.7; }

.title { font-size: 16px; font-weight: 800; margin-bottom: 6px; }

.status {
  display: inline-block;
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 700;
  background: var(--accent-soft);
  color: var(--accent);
}

.status.waiting { background: color-mix(in srgb, var(--warning) 18%, transparent); color: #b45309; }
.status.review { background: color-mix(in srgb, #3b82f6 18%, transparent); color: #1d4ed8; }
.status.approved { background: color-mix(in srgb, var(--success) 18%, transparent); color: #047857; }
.status.delivered { background: color-mix(in srgb, var(--success) 22%, transparent); color: #065f46; }
.status.rejected { background: color-mix(in srgb, var(--danger) 18%, transparent); color: #b91c1c; }

input, textarea {
  width: 100%;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 13px 14px;
  font-size: 15px;
  background: color-mix(in srgb, var(--panel) 96%, var(--bg));
  color: var(--text);
  margin: 8px 0;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}

input:focus, textarea:focus {
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

textarea { min-height: 110px; resize: vertical; }

.error {
  color: var(--danger);
  padding: 12px 0;
  font-weight: 600;
}

.hidden { display: none !important; }

.back { margin-bottom: 10px; }

.step-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--hint);
  margin-bottom: 4px;
}

.price {
  font-size: 20px;
  font-weight: 800;
  color: var(--accent);
}

.section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--hint);
  margin: 4px 2px 10px;
}

.notice {
  border-right: 3px solid var(--accent);
  padding-right: 12px;
}

.empty-state {
  text-align: center;
  padding: 28px 16px;
}

.empty-icon {
  font-size: 42px;
  margin-bottom: 8px;
}

.skeleton-grid { display: grid; gap: 10px; }

.skeleton-card {
  height: 72px;
  border-radius: var(--radius);
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--panel) 88%, var(--hint)) 25%,
    color-mix(in srgb, var(--panel) 96%, var(--hint)) 50%,
    color-mix(in srgb, var(--panel) 88%, var(--hint)) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite linear;
}

.skeleton-line {
  height: 14px;
  border-radius: 8px;
  margin-bottom: 8px;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--panel) 88%, var(--hint)) 25%,
    color-mix(in srgb, var(--panel) 96%, var(--hint)) 50%,
    color-mix(in srgb, var(--panel) 88%, var(--hint)) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite linear;
}

.skeleton-line.w60 { width: 60%; }
.skeleton-line.w40 { width: 40%; }

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

.gate-hero {
  text-align: center;
  padding: 8px 0 4px;
}

.gate-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 12px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  font-size: 30px;
  background: var(--accent-soft);
}

.wallet-hero {
  text-align: center;
  padding: 20px 16px;
}

.wallet-hero .price {
  font-size: 28px;
  margin-top: 6px;
}

.file-input-wrap {
  margin-top: 10px;
}

.file-input-wrap input[type="file"] {
  padding: 10px;
  font-size: 13px;
}