/* ===== 建后管护巡检系统 — 2026 现代 UI 升级 ===== */

/* ---- Design Tokens ---- */
:root {
  --color-primary: #1677ff;
  --color-primary-light: #4096ff;
  --color-primary-bg: #e6f4ff;
  --color-surface: #ffffff;
  --color-bg: #f1f5f9;
  --color-text: #0f172a;
  --color-text-secondary: #64748b;
  --color-border: #e2e8f0;
  --color-danger: #dc2626;
  --color-warning: #f59e0b;
  --color-success: #16a34a;
  --color-info: #3b82f6;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.04), 0 2px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.06), 0 4px 15px rgba(0,0,0,0.04);
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Base ---- */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

/* ---- Navbar ---- */
.navbar {
  background: linear-gradient(135deg, #0958d9, #1677ff) !important;
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
}
.navbar-brand { font-weight: 700; letter-spacing: 1px; }
.nav-link { font-size: 0.9rem; font-weight: 500; padding: 0.5rem 0.9rem !important; border-radius: var(--radius-sm); transition: var(--transition); }
.nav-link:hover { background: rgba(255,255,255,0.1); }
.nav-link i { margin-right: 4px; opacity: 0.85; }

/* ---- Cards ---- */
.card {
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); }
.card-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.2rem;
  border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
}

/* ---- Stats Cards ---- */
.card.bg-primary { background: linear-gradient(135deg, #1677ff, #4096ff) !important; border: none; }
.card.bg-success { background: linear-gradient(135deg, #0958d9, #1677ff) !important; border: none; }
.card.bg-warning { background: linear-gradient(135deg, #d97706, #f59e0b) !important; border: none; }
.card.bg-danger { background: linear-gradient(135deg, #b91c1c, #dc2626) !important; border: none; }
.card.bg-primary h2, .card.bg-success h2, .card.bg-warning h2, .card.bg-danger h2 { font-weight: 800; letter-spacing: -1px; }

/* ---- Tables ---- */
.table { margin-bottom: 0; }
.table > :not(caption) > * > * { padding: 0.65rem 0.9rem; vertical-align: middle; }
.table thead th {
  background: #f8fafc;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-secondary);
  border-bottom: 2px solid var(--color-border);
}
.table-hover tbody tr:hover { background: #f1f5f9; }
.table-responsive { max-height: 70vh; overflow-y: auto; border-radius: var(--radius-md); }

/* ---- Buttons ---- */
.btn {
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  letter-spacing: 0.3px;
}
.btn-primary { background: var(--color-primary); border-color: var(--color-primary); }
.btn-primary:hover { background: #0958d9; border-color: #0958d9; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline-primary { color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline-primary:hover { background: var(--color-primary); color: #fff; }
.btn-sm { font-size: 0.8rem; padding: 0.35rem 0.75rem; }
.btn-sm i { font-size: 0.8rem; }

/* ---- Forms ---- */
.form-control, .form-select {
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  font-size: 0.9rem;
  padding: 0.55rem 0.85rem;
  transition: var(--transition);
  background: #fafbfc;
}
.form-control:focus, .form-select:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(22,119,255,0.12);
  background: #fff;
}
.form-label { font-weight: 600; font-size: 0.82rem; color: var(--color-text); margin-bottom: 4px; }
.form-text { font-size: 0.75rem; color: var(--color-text-secondary); }

/* ---- Badges ---- */
.badge { font-weight: 600; font-size: 0.72rem; padding: 0.3em 0.65em; border-radius: 6px; letter-spacing: 0.3px; }
.bg-primary { background: var(--color-info) !important; }
.bg-secondary { background: #64748b !important; }
.bg-success { background: var(--color-success) !important; }
.bg-danger { background: var(--color-danger) !important; }
.bg-warning { background: var(--color-warning) !important; color: #000 !important; }
.bg-info { background: #0ea5e9 !important; }

/* ---- Alerts ---- */
.alert {
  border: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.75rem 1rem;
}

/* ---- Modals ---- */
.modal-content { border: none; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.modal-header { border-bottom: 1px solid var(--color-border); padding: 1rem 1.25rem; }
.modal-footer { border-top: 1px solid var(--color-border); padding: 0.85rem 1.25rem; }

/* ---- Input Group ---- */
.input-group-text {
  background: #f8fafc;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

/* ---- Dropdown ---- */
.dropdown-menu {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 6px;
}
.dropdown-item { border-radius: 6px; font-size: 0.88rem; padding: 0.45rem 0.9rem; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* ---- Selection ---- */
::selection { background: rgba(22,119,255,0.2); }

/* ---- Print ---- */
@media print {
  .navbar, .no-print, .btn { display: none !important; }
  .card { box-shadow: none; border: none; }
}