/* 水沐卿门店端 · 高端健康 SaaS 设计系统 */
:root {
  /* Brand */
  --color-primary: #165DFF;
  --color-primary-soft: #3B7CFF;
  --color-mint: #36D399;
  --color-mint-deep: #1FA97A;
  --color-danger: #E86A6A;
  --color-warning: #D4A017;

  /* Neutrals */
  --color-text: #1F2937;
  --color-text-secondary: #6B7280;
  --color-text-muted: #9CA3AF;
  --color-border: #E8ECF2;
  --color-divider: #F1F4F8;
  --color-bg: #F3F6FA;
  --color-bg-elevated: #FFFFFF;
  --color-bg-soft: #F7F9FC;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 999px;

  /* Shadow */
  --shadow-card: 0 1px 2px rgba(22, 40, 80, 0.04), 0 4px 16px rgba(22, 40, 80, 0.05);
  --shadow-card-hover: 0 2px 8px rgba(22, 40, 80, 0.06), 0 8px 24px rgba(22, 40, 80, 0.08);
  --shadow-float: 0 8px 28px rgba(22, 93, 255, 0.12);

  /* Space */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 20px;
  --space-2xl: 24px;

  /* Type */
  --font-sans: 'PingFang SC', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
  --font-num: 'DIN Alternate', 'Tabular Numbers', 'SF Pro Display', 'PingFang SC', sans-serif;
}

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

body {
  font-family: var(--font-sans);
  background: #0B1220;
  min-height: 100vh;
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

/* ===== Stage / Phone Frame ===== */
.stage {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 28px 16px 40px;
}

.topbar {
  width: 100%;
  max-width: 420px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  color: #E8EEF8;
}
.topbar b { font-size: 15px; font-weight: 600; letter-spacing: 0.02em; }
.topbar .hint { opacity: 0.55; font-size: 12px; margin-left: 8px; font-weight: 400; }
.topbar a { color: #8BB4FF; text-decoration: none; font-size: 13px; }

.phone {
  width: 100%;
  max-width: 390px;
  height: min(844px, calc(100vh - 110px));
  background: #141B2D;
  border-radius: 40px;
  padding: 10px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
}

.screen {
  height: 100%;
  background: var(--color-bg);
  border-radius: 32px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
}

.notch {
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-elevated);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-secondary);
  flex-shrink: 0;
  letter-spacing: 0.04em;
}

.content {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--color-bg);
}

.page-pad {
  padding: var(--space-lg) var(--space-lg) var(--space-2xl);
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  gap: var(--space-md);
}
.page-title {
  font-size: 20px;
  font-weight: 650;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.section-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  letter-spacing: 0.02em;
}

/* ===== Design System: Card ===== */
.sm-card {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(232, 236, 242, 0.8);
}
.sm-card--flush { padding: 0; overflow: hidden; }
.sm-card--clickable { cursor: pointer; transition: box-shadow 0.2s, transform 0.2s; }
.sm-card--clickable:active { transform: scale(0.985); box-shadow: var(--shadow-card-hover); }

/* ===== Design System: Button ===== */
.sm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: none;
  outline: none;
  cursor: pointer;
  font-family: inherit;
  font-weight: 560;
  letter-spacing: 0.01em;
  transition: background 0.18s, color 0.18s, border-color 0.18s, opacity 0.18s, transform 0.12s;
  user-select: none;
  white-space: nowrap;
}
.sm-btn:active { transform: scale(0.98); opacity: 0.92; }
.sm-btn--block { width: 100%; }

.sm-btn--primary {
  background: linear-gradient(135deg, #165DFF 0%, #2B6BFF 100%);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 13px 18px;
  font-size: 15px;
  box-shadow: 0 4px 14px rgba(22, 93, 255, 0.22);
}
.sm-btn--primary:hover { filter: brightness(1.03); }

.sm-btn--secondary {
  background: #fff;
  color: var(--color-primary);
  border: 1px solid rgba(22, 93, 255, 0.28);
  border-radius: var(--radius-md);
  padding: 11px 16px;
  font-size: 14px;
}
.sm-btn--secondary:hover { background: rgba(22, 93, 255, 0.04); }

.sm-btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 11px 16px;
  font-size: 14px;
}
.sm-btn--ghost:hover { background: var(--color-bg-soft); color: var(--color-text); }

.sm-btn--text {
  background: transparent;
  color: var(--color-primary);
  padding: 6px 4px;
  font-size: 13px;
  font-weight: 550;
  border-radius: var(--radius-sm);
}
.sm-btn--text-danger { color: var(--color-danger); }

.sm-btn--sm {
  padding: 8px 12px;
  font-size: 13px;
  border-radius: var(--radius-sm);
}
.sm-btn-group {
  display: flex;
  gap: 8px;
  margin-top: var(--space-md);
}
.sm-btn-group .sm-btn { flex: 1; }

/* ===== Status Tag ===== */
.sm-status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 560;
  letter-spacing: 0.02em;
  line-height: 1.4;
}
.sm-status::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.85;
}
.sm-status--success { background: rgba(54, 211, 153, 0.12); color: var(--color-mint-deep); }
.sm-status--pending { background: rgba(22, 93, 255, 0.08); color: var(--color-primary); }
.sm-status--warning { background: rgba(212, 160, 23, 0.12); color: #B8860B; }
.sm-status--danger { background: rgba(232, 106, 106, 0.1); color: var(--color-danger); }
.sm-status--neutral { background: var(--color-divider); color: var(--color-text-secondary); }

.sm-chip {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 500;
  background: rgba(22, 93, 255, 0.07);
  color: var(--color-primary);
  margin-right: 4px;
}
.sm-chip--mint { background: rgba(54, 211, 153, 0.12); color: var(--color-mint-deep); }

/* ===== Amount ===== */
.sm-amount {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--color-text);
  line-height: 1.1;
}
.sm-amount--xl { font-size: 32px; }
.sm-amount--lg { font-size: 22px; }
.sm-amount--md { font-size: 17px; }
.sm-amount--sm { font-size: 14px; font-weight: 600; }
.sm-amount--primary { color: var(--color-primary); }
.sm-amount--mint { color: var(--color-mint-deep); }
.sm-amount--muted { color: var(--color-text-secondary); font-weight: 550; }
.sm-amount .currency {
  font-size: 0.55em;
  font-weight: 600;
  margin-right: 2px;
  vertical-align: 0.12em;
  opacity: 0.85;
}

/* ===== Avatar ===== */
.sm-avatar {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(145deg, #165DFF 0%, #4A8BFF 55%, #36D399 130%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 650;
  font-size: 17px;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(22, 93, 255, 0.18);
}
.sm-avatar--lg { width: 56px; height: 56px; border-radius: 16px; font-size: 20px; }
.sm-avatar--soft {
  background: linear-gradient(145deg, #EEF3FF, #E8F8F1);
  color: var(--color-primary);
  box-shadow: none;
  border: 1px solid var(--color-border);
}

/* ===== Form ===== */
.sm-field { margin-top: var(--space-md); }
.sm-field label {
  display: block;
  font-size: 12px;
  font-weight: 550;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}
.sm-input {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  background: var(--color-bg-soft);
  color: var(--color-text);
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}
.sm-input:focus {
  background: #fff;
  border-color: rgba(22, 93, 255, 0.45);
  box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.1);
}
.sm-input::placeholder { color: var(--color-text-muted); }

/* ===== Nav / Toast ===== */
.sm-nav {
  background: var(--color-bg-elevated);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--color-divider);
  position: sticky;
  top: 0;
  z-index: 5;
}
.sm-nav__back {
  color: var(--color-primary);
  cursor: pointer;
  font-size: 14px;
  font-weight: 550;
  padding: 4px 0;
}
.sm-nav__title { font-size: 16px; font-weight: 620; color: var(--color-text); }

.sm-toast {
  position: absolute;
  left: 50%;
  bottom: 88px;
  transform: translateX(-50%);
  background: rgba(31, 41, 55, 0.88);
  backdrop-filter: blur(8px);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  z-index: 20;
  white-space: nowrap;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.muted { color: var(--color-text-secondary); font-size: 12px; line-height: 1.5; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }

@media (max-width: 480px) {
  .stage { padding: 0; }
  .topbar { display: none; }
  .phone { max-width: 100%; height: 100vh; border-radius: 0; padding: 0; box-shadow: none; }
  .screen { border-radius: 0; }
}