:root {
  --bg: #f0f6ff;
  --surface: #ffffff;
  --surface-soft: #faf9fd;
  --primary: #3c6090;
  --primary-soft: #a5c8ff;
  --primary-fixed: #d4e3ff;
  --secondary: #ffd1dc;
  --tertiary: #f0be6c;
  --text: #1a1c1f;
  --muted: #737780;
  --line: #d9dfeb;
  --ok: #2f8f68;
  --warn: #9a6400;
  --error: #ba1a1a;
  --radius: 28px;
  font-family: "Be Vietnam Pro", "Plus Jakarta Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 20px 20px, rgba(60,96,144,.08) 0 4px, transparent 5px) 0 0 / 74px 74px,
    var(--bg);
}
button, input, textarea, select { font: inherit; }
button { cursor: pointer; border: 0; }

.app-shell {
  width: min(100%, 520px);
  min-height: 100vh;
  margin: 0 auto;
  padding: 22px 20px 96px;
}
.hero-card {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 26px;
  border-radius: 36px;
  background: linear-gradient(135deg, #fff, #dcecff);
  box-shadow: 0 18px 50px rgba(60, 96, 144, .16);
}
.hero-card h1 { margin: 6px 0; color: var(--primary); font-size: 30px; }
.hero-card p { margin: 0; color: var(--muted); line-height: 1.6; }
.eyebrow { font-size: 12px; letter-spacing: .12em; color: var(--primary); font-weight: 800; }
.neko-face {
  flex: 0 0 74px;
  height: 74px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--secondary);
  color: var(--primary);
  font-size: 38px;
  font-weight: 900;
}
.neko-face.big { width: 92px; height: 92px; margin: 0 auto 12px; font-size: 48px; }
.search-card {
  margin: 16px 0 12px;
  padding: 14px;
  border-radius: 28px;
  background: rgba(255,255,255,.88);
  border: 1px solid rgba(255,255,255,.82);
  box-shadow: 0 12px 30px rgba(60,96,144,.10);
}
.search-card label {
  display: block;
  margin: 0 4px 9px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 900;
}
.search-box {
  display: flex;
  gap: 10px;
  align-items: center;
}
.search-box input {
  flex: 1;
  min-width: 0;
}
.search-box .ghost-btn {
  flex: 0 0 auto;
  padding-inline: 15px;
}
.toolbar { margin: 18px 0; display: flex; gap: 12px; align-items: center; }
.chip-row { display: flex; gap: 8px; overflow-x: auto; flex: 1; padding-bottom: 4px; }
.chip, .ghost-btn, .primary-btn {
  border-radius: 999px;
  padding: 11px 16px;
  white-space: nowrap;
  transition: transform .12s ease, background .12s ease;
}
.chip { color: var(--primary); background: #fff; border: 1px solid var(--line); }
.chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.ghost-btn { background: #fff; color: var(--primary); border: 1px solid var(--primary-fixed); }
.primary-btn { background: var(--primary); color: #fff; box-shadow: 0 10px 24px rgba(60,96,144,.25); }
.primary-btn.full { width: 100%; }
.ghost-btn.full { width: 100%; }
button:active { transform: scale(.97); }
button:disabled { opacity: .55; cursor: not-allowed; transform: none; }

.product-grid { display: grid; gap: 16px; }
.product-card, .soft-card {
  padding: 20px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.92);
  box-shadow: 0 12px 30px rgba(60,96,144,.10);
  border: 1px solid rgba(255,255,255,.8);
}
.product-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.product-image-wrap { margin: -4px -4px 14px; }
.product-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 24px;
  background: linear-gradient(135deg, #fff, #d4e3ff);
}
.product-image.placeholder {
  display: grid;
  place-items: center;
  color: var(--primary);
  font-size: 56px;
}
.detail-product-image {
  width: 100%;
  max-height: 260px;
  object-fit: cover;
  border-radius: 26px;
  margin: 12px 0 16px;
}
.order-product-image {
  width: 100%;
  max-height: 180px;
  object-fit: cover;
  border-radius: 20px;
  margin-bottom: 12px;
}
.product-title { margin: 8px 0 10px; color: var(--primary); font-size: 22px; font-weight: 900; }
.badge { display: inline-flex; padding: 5px 12px; border-radius: 999px; background: var(--primary-fixed); color: var(--primary); font-weight: 800; font-size: 12px; }
.price { color: var(--primary); font-size: 28px; font-weight: 900; letter-spacing: .02em; }
.muted { color: var(--muted); }
.card-actions { display: flex; gap: 10px; align-items: center; justify-content: space-between; margin-top: 16px; }

.status {
  margin: 12px 0;
  padding: 12px 14px;
  border-radius: 18px;
  background: #fff8e6;
  color: var(--warn);
}
.status.error { background: #ffdad6; color: var(--error); }
.status.ok { background: #e8fff6; color: var(--ok); }
.hidden { display: none !important; }

.sheet {
  position: fixed;
  inset: 0;
  background: rgba(26,28,31,.36);
  display: flex;
  align-items: flex-end;
  z-index: 20;
}
.sheet-panel {
  width: min(100%, 540px);
  max-height: 88vh;
  overflow: auto;
  margin: 0 auto;
  padding: 24px 20px calc(24px + env(safe-area-inset-bottom));
  border-radius: 34px 34px 0 0;
  background: var(--surface-soft);
}
.sheet-close, .icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #fff;
  color: var(--primary);
  font-size: 24px;
}
.sheet-close { float: right; }
.detail-visual {
  height: 180px;
  border-radius: 32px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #fff, #d4e3ff);
  color: var(--primary);
  font-size: 64px;
  margin: 42px 0 18px;
}
.form-row { margin: 16px 0; }
.form-row label { display: block; margin-bottom: 8px; color: var(--primary); font-weight: 800; }
input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 14px 18px;
  outline: none;
  background: #fff;
}
textarea { border-radius: 22px; min-height: 120px; resize: vertical; }
input:focus, textarea:focus, select:focus { border-color: var(--primary-soft); box-shadow: 0 0 0 4px rgba(165,200,255,.35); }
.qr-card {
  margin: 18px 0;
  padding: 22px;
  border-radius: 30px;
  background: #fff;
  text-align: center;
  box-shadow: 0 12px 30px rgba(60,96,144,.10);
}
.qr-card strong { display: block; margin-top: 12px; color: var(--primary); font-size: 18px; }
.qr-card span { display: block; margin-top: 4px; color: var(--muted); }
.payment-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 16px 0 8px;
}
.payment-qr-image {
  display: block;
  width: min(100%, 260px);
  max-height: 360px;
  margin: 0 auto;
  object-fit: contain;
  border-radius: 22px;
  border: 1px solid var(--line);
  box-shadow: 0 10px 24px rgba(60,96,144,.12);
}
.qr-grid {
  width: 190px;
  height: 190px;
  margin: 0 auto;
  border: 12px solid #fff;
  border-radius: 18px;
  background:
    linear-gradient(90deg, var(--primary) 10px, transparent 10px) 0 0 / 28px 28px,
    linear-gradient(var(--primary) 10px, transparent 10px) 0 0 / 28px 28px,
    radial-gradient(circle at 25% 25%, var(--primary) 0 22px, transparent 23px),
    radial-gradient(circle at 75% 25%, var(--primary) 0 22px, transparent 23px),
    radial-gradient(circle at 25% 75%, var(--primary) 0 22px, transparent 23px),
    #eef5ff;
  box-shadow: inset 0 0 0 2px var(--primary-fixed);
}
.proof-thumb {
  width: 120px;
  max-height: 160px;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--line);
}
.upload-preview {
  display: block;
  width: 220px;
  max-height: 180px;
  object-fit: cover;
  margin-top: 12px;
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(60,96,144,.10);
}
.mini-upload {
  display: inline-flex;
  margin-top: 8px;
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--primary-fixed);
  color: var(--primary);
  font-size: 12px;
  cursor: pointer;
}
.mini-upload input { display: none; }
.hidden-file { display: none; }
.proof-picker {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 18px;
  background: rgba(26,28,31,.38);
}
.proof-picker-panel {
  width: min(100%, 460px);
  padding: 22px;
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 20px 50px rgba(60,96,144,.25);
}
.proof-picker-panel h3 { margin: 0 0 6px; color: var(--primary); }
.proof-picker-panel button { margin-top: 10px; }
.auth-switch {
  display: flex;
  gap: 10px;
  margin: 16px 0;
}
.order-list {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}
.order-list-item {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 12px;
  align-items: center;
  cursor: pointer;
}
.order-list-item p { margin: 4px 0; }
.order-list-thumb {
  width: 84px;
  height: 84px;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid var(--line);
}
.bottom-bar {
  position: fixed;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  width: min(calc(100% - 32px), 480px);
  padding: 8px;
  border-radius: 999px;
  display: flex;
  gap: 8px;
  background: rgba(255,255,255,.9);
  box-shadow: 0 12px 35px rgba(60,96,144,.18);
  backdrop-filter: blur(12px);
}
.bottom-bar button { flex: 1; border-radius: 999px; padding: 12px; color: var(--primary); background: transparent; }
.bottom-bar button:first-child { background: var(--primary); color: #fff; }

.admin-body { background: #f7f9ff; }
.admin-login { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.admin-login-card { width: min(100%, 420px); padding: 32px; border-radius: 34px; background: #fff; box-shadow: 0 20px 60px rgba(60,96,144,.16); text-align: center; }
.admin-layout { min-height: 100vh; display: grid; grid-template-columns: 240px 1fr; }
.admin-side { padding: 24px; background: #fff; border-right: 1px solid var(--line); }
.admin-side h1 { color: var(--primary); }
.admin-side button { display: block; width: 100%; margin: 10px 0; padding: 13px 16px; border-radius: 999px; background: transparent; color: var(--muted); text-align: left; }
.admin-side button.active { background: var(--primary); color: #fff; }
.admin-main { padding: 28px; overflow: auto; }
.admin-top { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 20px; }
.admin-top h2 { margin: 2px 0 0; color: var(--primary); font-size: 26px; }
.stats { display: grid; grid-template-columns: repeat(4, minmax(130px, 1fr)); gap: 14px; }
.stat-card { padding: 20px; border-radius: 24px; background: #fff; box-shadow: 0 8px 24px rgba(60,96,144,.08); }
.stat-card strong { display: block; color: var(--primary); font-size: 34px; }
.admin-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 24px; overflow: hidden; box-shadow: 0 8px 24px rgba(60,96,144,.08); }
.admin-table th, .admin-table td { padding: 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.admin-table th { color: var(--muted); font-size: 13px; background: #fbfcff; }
.admin-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.admin-actions button { padding: 8px 11px; border-radius: 999px; background: var(--primary-fixed); color: var(--primary); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(180px, 1fr)); gap: 14px; }
.form-grid .wide { grid-column: 1 / -1; }
.panel-title { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 22px 0 12px; }
.hint { color: var(--muted); font-size: 13px; }

@media (max-width: 760px) {
  .admin-layout { grid-template-columns: 1fr; }
  .admin-side { position: sticky; top: 0; z-index: 5; display: flex; gap: 8px; overflow-x: auto; align-items: center; padding: 12px; }
  .admin-side h1 { display: none; }
  .admin-side button { width: auto; white-space: nowrap; margin: 0; }
  .admin-main { padding: 16px; }
  .stats, .form-grid { grid-template-columns: 1fr; }
  .admin-table { min-width: 760px; }
  .admin-tab { overflow-x: auto; }
}