/* ========================================
   小灵仓 (Xiao Ling Cang) — Theme B
   Design: 温暖日系 (Warm Japanese)
   Palette: Warm Orange + Wood Brown + Cream
   ======================================== */

:root {
  /* ── Primary: 暖橙 ── */
  --xlc-primary: #D97706;
  --xlc-primary-dark: #B45309;
  --xlc-primary-darker: #92400E;
  --xlc-primary-light: #F59E0B;
  --xlc-primary-lighter: #FEF3C7;
  --xlc-primary-subtle: #FFFBEB;

  /* ── Accent: 木质棕 ── */
  --xlc-accent: #A27B5C;
  --xlc-accent-dark: #8B5E3C;
  --xlc-accent-light: #E6D5C3;
  --xlc-accent-subtle: #F5EDE4;

  /* ── Backgrounds: 米白暖底 ── */
  --xlc-bg: #F5F0E8;
  --xlc-bg-alt: #EDE6DA;
  --xlc-bg-warm: #FAF6F0;
  --xlc-card: #FEFCF8;

  /* ── Text: 暖棕黑 ── */
  --xlc-text: #3D3228;
  --xlc-text-secondary: #6B5D4F;
  --xlc-text-muted: #9C8E7E;
  --xlc-text-light: #C4B6A6;

  /* ── Borders: 暖棕边 ── */
  --xlc-border: #E0D6C8;
  --xlc-border-light: #EBE2D6;

  /* ── Semantic ── */
  --xlc-success: #65A30D;
  --xlc-success-bg: #F7FEE7;
  --xlc-danger: #E0756D;
  --xlc-danger-bg: #FEF2F2;
  --xlc-info: #7E9BC0;
  --xlc-info-bg: #F0F4F8;
}

/* ═══ Base ═══ */
body {
  background: var(--xlc-bg);
  color: var(--xlc-text);
  font-family: -apple-system, BlinkMacSystemFont,
    "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ═══ Navbar — 暖米毛玻璃 ═══ */
.navbar {
  background: rgba(245, 240, 232, 0.88) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--xlc-border-light);
  box-shadow: 0 1px 2px rgba(0,0,0,0.03);
  min-height: 56px;
  padding: 0 16px;
}
.navbar .navbar-brand { color: var(--xlc-primary-dark) !important; font-weight: 700; font-size: 1.1rem; letter-spacing: 0.02em; }
.navbar .nav-link { color: var(--xlc-text-secondary) !important; font-size: 0.875rem; font-weight: 500; padding: 0.45rem 0.85rem; border-radius: var(--xlc-radius-sm); transition: all var(--xlc-transition); }
.navbar .nav-link:hover { color: var(--xlc-primary) !important; background: var(--xlc-primary-lighter); }
.navbar .nav-link i { font-size: 1rem; }
.navbar .nav-link.active { color: var(--xlc-primary-dark) !important; background: var(--xlc-primary-lighter); font-weight: 600; }
.navbar .dropdown-menu { border: 1px solid var(--xlc-border); border-radius: var(--xlc-radius-lg); box-shadow: var(--xlc-shadow-lg); padding: 4px; margin-top: 8px; background: var(--xlc-card); }
.navbar .dropdown-item { border-radius: var(--xlc-radius-sm); padding: 0.55rem 1rem; font-size: 0.875rem; color: var(--xlc-text); transition: all var(--xlc-transition); }
.navbar .dropdown-item:hover { background: var(--xlc-bg-alt); color: var(--xlc-primary-dark); }
.navbar .dropdown-divider { border-color: var(--xlc-border-light); }
.navbar .navbar-toggler { border: none; color: var(--xlc-text); padding: 4px; }
.navbar .navbar-toggler:focus { box-shadow: none; }

/* ═══ Cards ═══ */
.card { background: var(--xlc-card); border: 1px solid var(--xlc-border-light); border-radius: var(--xlc-radius-lg); box-shadow: var(--xlc-shadow-sm); transition: all var(--xlc-transition); }
.card:hover { box-shadow: var(--xlc-shadow); border-color: var(--xlc-border); }
.card-body { padding: 24px; }

/* ═══ Buttons ═══ */
.btn { border-radius: var(--xlc-radius-sm); padding: 0.6rem 1.35rem; font-weight: 500; font-size: 0.9rem; transition: all var(--xlc-transition); border: none; min-height: 44px; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--xlc-primary); color: #FFFFFF; }
.btn-primary:hover { background: var(--xlc-primary-dark); box-shadow: 0 4px 14px rgba(217, 119, 6, 0.25); }
.btn-primary:active { background: var(--xlc-primary-darker) !important; }
.btn-outline-primary { border: 1.5px solid var(--xlc-primary); color: var(--xlc-primary); background: transparent; }
.btn-outline-primary:hover { background: var(--xlc-primary-lighter); color: var(--xlc-primary-dark); border-color: var(--xlc-primary-dark); }
.btn-secondary, .btn-outline-secondary { border: 1.5px solid var(--xlc-border); color: var(--xlc-text-secondary); background: var(--xlc-card); }
.btn-secondary:hover, .btn-outline-secondary:hover { background: var(--xlc-bg-alt); border-color: var(--xlc-text-muted); color: var(--xlc-text); }
.btn-danger { background: var(--xlc-danger); color: #FFFFFF; }
.btn-danger:hover { background: #C05852; box-shadow: 0 4px 14px rgba(224, 117, 109, 0.3); }
.btn-link { color: var(--xlc-primary); text-decoration: none; padding: 0.4rem 0.6rem; }
.btn-link:hover { color: var(--xlc-primary-dark); background: var(--xlc-primary-lighter); border-radius: var(--xlc-radius-sm); }
.btn-dark { background: var(--xlc-text); color: #FFFFFF; border: none; }
.btn-dark:hover { background: #2C241C; box-shadow: 0 4px 14px rgba(61, 50, 40, 0.25); }

/* ═══ Action Buttons ═══ */
.btn-action { border-radius: var(--xlc-radius-xl); padding: 1.6rem; font-size: 1.1rem; font-weight: 600; border: none; transition: all var(--xlc-transition-slow); min-height: 140px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.5rem; width: 100%; color: white; }
.btn-action .bi { font-size: 2.4rem; transition: transform var(--xlc-transition); }
.btn-action small { font-weight: 400; opacity: 0.8; font-size: 0.8rem; }
.btn-action:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,0.12); color: white; }
.btn-action:hover .bi { transform: scale(1.08); }
.btn-action:active { transform: translateY(-1px); }
.btn-action-store { background: linear-gradient(135deg, #D97706 0%, #B45309 100%); }
.btn-action-retrieve { background: linear-gradient(135deg, #A27B5C 0%, #8B5E3C 100%); }
.btn-action-query { background: linear-gradient(135deg, #7E9BC0 0%, #6A86AD 100%); }
.btn-action-inventory { background: linear-gradient(135deg, #C08497 0%, #A8677E 100%); }

/* ═══ Forms ═══ */
.form-control, .form-select { border-radius: var(--xlc-radius-sm); border: 1.5px solid var(--xlc-border); padding: 0.6rem 0.95rem; font-size: 0.95rem; transition: all var(--xlc-transition); background: var(--xlc-card); color: var(--xlc-text); min-height: 44px; }
.form-control:focus, .form-select:focus { border-color: var(--xlc-primary); box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.1); outline: none; }
.form-control::placeholder { color: var(--xlc-text-light); }
.form-label { font-weight: 500; color: var(--xlc-text-secondary); margin-bottom: 0.35rem; }

/* ═══ Tags / Badges ═══ */
.tag-badge { display: inline-flex; align-items: center; background: var(--xlc-bg-alt); color: var(--xlc-text-secondary); border: 1px solid var(--xlc-border-light); border-radius: var(--xlc-radius-full); padding: 0.25rem 0.75rem; font-size: 0.8rem; font-weight: 400; transition: all var(--xlc-transition); cursor: pointer; user-select: none; }
.tag-badge:hover { background: var(--xlc-primary-lighter); border-color: var(--xlc-primary-light); color: var(--xlc-primary-dark); }
.tag-badge.active { background: var(--xlc-primary-lighter); border-color: var(--xlc-primary); color: var(--xlc-primary-dark); font-weight: 500; }
.badge { font-weight: 500; padding: 0.3em 0.7em; border-radius: var(--xlc-radius-full); }

/* ═══ Stats ═══ */
.stat-card { border: 1px solid var(--xlc-border-light); border-radius: var(--xlc-radius-lg); padding: 24px; text-align: center; background: var(--xlc-card); transition: all var(--xlc-transition); }
.stat-card:hover { box-shadow: var(--xlc-shadow); }
.stat-card .stat-number { font-size: 1.75rem; font-weight: 700; color: var(--xlc-primary-dark); line-height: 1.2; }
.stat-card .stat-label { font-size: 0.8rem; color: var(--xlc-text-muted); margin-top: 0.25rem; }

/* ═══ Tables ═══ */
.table { border-color: var(--xlc-border-light); }
.table th { font-weight: 600; color: var(--xlc-text-secondary); font-size: 0.8rem; letter-spacing: 0.03em; border-bottom-width: 1px; }
.table td { color: var(--xlc-text); vertical-align: middle; }
.table-hover tbody tr:hover { background: var(--xlc-primary-subtle); }

/* ═══ Alerts ═══ */
.alert { border-radius: var(--xlc-radius); border: 1px solid var(--xlc-border-light); padding: 16px 24px; font-size: 0.9rem; }
.alert-info { background: var(--xlc-info-bg); color: #5B6E8A; border-color: #D6E0ED; }
.alert-success { background: var(--xlc-success-bg); color: #4A7A0A; border-color: #D9F99D; }
.alert-danger { background: var(--xlc-danger-bg); color: #A65E58; border-color: #FECACA; }
.alert-warning { background: var(--xlc-accent-subtle); color: #7C5C3E; border-color: var(--xlc-accent-light); }

/* ═══ Auth Pages ═══ */
.auth-container { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(160deg, #EDE6DA 0%, #F5F0E8 40%, #FAF6F0 100%); padding: 1rem; }
.auth-card { background: var(--xlc-card); border-radius: var(--xlc-radius-xl); box-shadow: var(--xlc-shadow-lg); padding: 2.5rem; width: 100%; max-width: 420px; border: 1px solid var(--xlc-border-light); }
.auth-card .auth-header { text-align: center; margin-bottom: 2rem; }
.auth-card .auth-header img { height: 44px; }
.auth-card .auth-header h4 { font-weight: 700; margin-top: 1rem; color: var(--xlc-text); font-size: 1.35rem; }
.auth-divider { display: flex; align-items: center; gap: 1rem; margin: 1.5rem 0; color: var(--xlc-text-light); font-size: 0.85rem; }
.auth-divider::before, .auth-divider::after { content: ''; flex: 1; border-top: 1px solid var(--xlc-border); }
.btn-social { border-radius: var(--xlc-radius-sm); padding: 0.7rem 1rem; font-size: 0.95rem; font-weight: 500; border: 1.5px solid var(--xlc-border); background: var(--xlc-card); transition: all var(--xlc-transition); display: flex; align-items: center; gap: 0.75rem; width: 100%; text-align: left; cursor: pointer; }
.btn-social:hover { border-color: var(--xlc-primary); background: var(--xlc-bg); transform: translateY(-1px); }
.btn-social .social-icon { font-size: 1.4rem; }
.sms-row { display: flex; gap: 0.5rem; }
.sms-row .form-control { flex: 1; }
.sms-row .btn-sms { white-space: nowrap; min-width: 110px; }

/* ═══ Footer ═══ */
.footer { text-align: center; padding: 2rem 1rem; color: var(--xlc-text-light); font-size: 0.8rem; }

/* ═══ Shimmer ═══ */
.shimmer { background: linear-gradient(90deg, var(--xlc-bg-alt) 25%, var(--xlc-border-light) 50%, var(--xlc-bg-alt) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ═══ Utilities ═══ */
.text-primary { color: var(--xlc-primary) !important; }
.text-accent { color: var(--xlc-accent) !important; }
.text-muted { color: var(--xlc-text-muted) !important; }
.bg-primary-subtle { background: var(--xlc-primary-lighter) !important; }
.bg-accent-subtle { background: var(--xlc-accent-subtle) !important; }
.bg-warm { background: var(--xlc-bg) !important; }

/* ═══ Responsive ═══ */
@media (max-width: 768px) {
  .auth-card { padding: 1.5rem; border-radius: var(--xlc-radius-lg); }
  .btn-action { min-height: 110px; padding: 1.2rem; font-size: 1rem; }
  .btn-action .bi { font-size: 2rem; }
  .navbar { padding: 0 8px; }
  .card-body { padding: 16px; }
}
@media (max-width: 576px) {
  :root { --xlc-space-lg: 16px; --xlc-space-xl: 24px; }
}