:root {
  --bg: var(--tg-theme-bg-color, #ffffff);
  --text: var(--tg-theme-text-color, #111111);
  --hint: var(--tg-theme-hint-color, #888888);
  --link: var(--tg-theme-link-color, #2481cc);
  --button: var(--tg-theme-button-color, #2481cc);
  --button-text: var(--tg-theme-button-text-color, #ffffff);
  --secondary-bg: var(--tg-theme-secondary-bg-color, #f0f0f0);
  --card-bg: color-mix(in srgb, var(--secondary-bg) 92%, var(--text) 8%);
  --border: color-mix(in srgb, var(--text) 12%, transparent);
  --radius: 16px;
}

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  padding-bottom: 32px;
}

.container { padding: 0 14px 14px; max-width: 640px; margin: 0 auto; }

h1, h2, h3 { margin: 0.5em 0 0.3em; line-height: 1.25; }
h3 { font-size: 16px; }
p { margin: 0.4em 0; line-height: 1.4; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  padding: 14px 14px 6px;
  max-width: 640px;
  margin: 0 auto;
}
.topbar h1 { font-size: 19px; font-weight: 700; margin: 0; }

.tabs {
  display: flex;
  gap: 8px;
  padding: 10px 14px 12px;
  position: sticky;
  top: 40px;
  background: var(--bg);
  z-index: 19;
  max-width: 640px;
  margin: 0 auto;
}

.tab-btn {
  flex: 1;
  padding: 10px 6px;
  border: none;
  border-radius: 12px;
  background: var(--secondary-bg);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.tab-btn.active { background: var(--button); color: var(--button-text); }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 14px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.card-body { padding: 14px; }

.card-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  background: var(--secondary-bg);
}

.card-img-placeholder {
  width: 100%;
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 42px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--button) 35%, var(--card-bg)), var(--card-bg));
}

.gift-title { font-size: 17px; font-weight: 700; margin: 0 0 6px; }

.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.price-pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 10px 6px;
  border-radius: 12px;
  border: none;
  background: var(--button);
  color: var(--button-text);
  font-size: 13px;
  cursor: pointer;
}
.price-pill .period { font-size: 11px; opacity: 0.85; }
.price-pill .amount { font-weight: 700; font-size: 14px; }

.price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
}
.price-row:last-child { border-bottom: none; }

button.primary, .btn {
  background: var(--button);
  color: var(--button-text);
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
}
button.danger { background: #d9534f; color: white; }
button.secondary { background: var(--secondary-bg); color: var(--text); }
button:active { opacity: 0.85; }

input[type="text"], input[type="number"], input:not([type]), textarea, select {
  width: 100%;
  padding: 11px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  margin-bottom: 10px;
  font-size: 14px;
}

label { font-size: 12px; color: var(--hint); display: block; margin-bottom: 4px; }

.hint { color: var(--hint); font-size: 12.5px; }

.status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
  background: var(--button);
  color: var(--button-text);
  white-space: nowrap;
}

a { color: var(--link); }

.empty { text-align: center; color: var(--hint); padding: 40px 16px; font-size: 14px; }

.receipt-img { width: 100%; border-radius: 12px; margin: 10px 0; display: block; }

.row { display: flex; gap: 8px; }
.row > * { flex: 1; }

.pay-card { text-align: center; padding: 20px 16px; }
.pay-amount { font-size: 26px; font-weight: 800; margin: 4px 0 14px; }
.card-number-box {
  background: var(--secondary-bg);
  border-radius: 12px;
  padding: 14px;
  margin: 12px 0 16px;
}
.card-number-box .num { font-size: 20px; font-weight: 700; letter-spacing: 1px; }
.card-number-box .holder { color: var(--hint); font-size: 13px; margin-top: 4px; }

.file-picker {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1.5px dashed var(--border);
  border-radius: 12px;
  padding: 14px;
  cursor: pointer;
  margin: 10px 0 14px;
  font-size: 13.5px;
  color: var(--hint);
}
.file-picker.has-file { color: var(--text); border-style: solid; border-color: var(--button); }
.file-picker input { display: none; }
.file-picker .icon { font-size: 20px; }

.back-btn {
  background: none;
  border: none;
  color: var(--link);
  font-size: 14px;
  padding: 14px 0 4px;
  cursor: pointer;
  width: auto;
}

.form-card { padding: 16px; }
.form-card h3 { margin-top: 0; }

.spinner-wrap { text-align: center; padding: 40px 0; color: var(--hint); font-size: 13px; }