/* ========================================
   物业工作数据大屏 — 公共样式 + 响应式基础
   ======================================== */

/* CSS Variables */
:root {
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --bg: #f5f7fa;
  --bg-card: #ffffff;
  --text: #1e293b;
  --text-secondary: #64748b;
  --border: #e2e8f0;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);

  /* Dark theme (for screen) */
  --dark-bg: #0f172a;
  --dark-card: #1e293b;
  --dark-border: #334155;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; min-height: 100vh; }
a { color: var(--primary); text-decoration: none; }
img { max-width: 100%; height: auto; }

/* Layout */
.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.page { min-height: 100vh; }

/* Header */
.header { background: var(--bg-card); border-bottom: 1px solid var(--border); padding: 12px 16px; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 100; }
.header h1 { font-size: 1.2rem; font-weight: 600; }
.header-actions { display: flex; gap: 8px; align-items: center; }

/* Cards */
.card { background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; margin-bottom: 16px; }
.card-header { font-size: 1rem; font-weight: 600; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 8px 20px; border-radius: var(--radius); border: none; font-size: 0.9rem; font-weight: 500; cursor: pointer; transition: all 0.2s; gap: 6px; white-space: nowrap; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { background: var(--bg); }
.btn-sm { padding: 4px 12px; font-size: 0.8rem; }
.btn-lg { padding: 12px 32px; font-size: 1rem; }
.btn-block { width: 100%; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 0.9rem; font-weight: 500; margin-bottom: 6px; color: var(--text); }
.form-input, .form-select, .form-textarea { width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 0.95rem; transition: border-color 0.2s; background: var(--bg-card); color: var(--text); }
.form-input:focus, .form-select:focus, .form-textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59,130,246,0.1); }
.form-textarea { min-height: 100px; resize: vertical; }
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%2364748b'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }

/* Badges */
.badge { display: inline-block; padding: 2px 10px; border-radius: 100px; font-size: 0.75rem; font-weight: 500; }
.badge-pending { background: #fef3c7; color: #92400e; }
.badge-archived { background: #d1fae5; color: #065f46; }
.badge-rejected { background: #fee2e2; color: #991b1b; }
.badge-active { background: #dbeafe; color: #1e40af; }
.badge-done { background: #d1fae5; color: #065f46; }

/* Tables */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
th { font-weight: 600; color: var(--text-secondary); white-space: nowrap; background: var(--bg); }

/* Toast */
.toast { position: fixed; top: 16px; right: 16px; z-index: 9999; padding: 12px 24px; border-radius: var(--radius); color: #fff; font-size: 0.9rem; box-shadow: var(--shadow-lg); animation: slideIn 0.3s ease; max-width: 360px; }
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--primary); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* Loading Spinner */
.spinner { display: inline-block; width: 20px; height: 20px; border: 2px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Empty State */
.empty { text-align: center; padding: 40px 20px; color: var(--text-secondary); }
.empty-icon { font-size: 3rem; margin-bottom: 12px; opacity: 0.3; }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 16px; }
.modal { background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow-lg); max-width: 500px; width: 100%; max-height: 90vh; overflow-y: auto; }
.modal-header { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; font-weight: 600; }
.modal-body { padding: 20px; }
.modal-footer { padding: 12px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }

/* Tabs */
.tabs { display: flex; border-bottom: 2px solid var(--border); margin-bottom: 20px; gap: 0; }
.tab { padding: 10px 20px; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -2px; font-size: 0.9rem; color: var(--text-secondary); transition: all 0.2s; }
.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 500; }

/* Utility */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.hidden { display: none !important; }

/* Responsive Grid */
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  html { font-size: 14px; }
  .header h1 { font-size: 1rem; }
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
  table { font-size: 0.8rem; }
  th, td { padding: 8px 10px; }
  .modal { margin: 8px; max-width: none; }
  .btn { padding: 8px 14px; font-size: 0.85rem; }
}

@media (max-width: 480px) {
  .header { padding: 8px 12px; }
  .card { padding: 12px; }
  .btn { width: 100%; justify-content: center; }
  .header-actions .btn { width: auto; }
}