:root{--primary: #0d9488;--primary-dark: #0f766e;--primary-light: #ccfbf1;--bg: #f0fdfa;--card: #ffffff;--text: #134e4a;--text-muted: #5eead4;--danger: #ef4444;--warning: #f59e0b;--success: #10b981;--border: #99f6e4;--shadow: 0 2px 12px rgba(13, 148, 136, .12);--radius: 12px;--nav-h: 56px}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.5}a{color:var(--primary);text-decoration:none}.page{min-height:100vh;padding-bottom:calc(var(--nav-h) + 16px)}.page-no-nav{padding-bottom:16px}.header{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;padding:20px 16px 24px;border-radius:0 0 24px 24px}.header h1{font-size:20px;font-weight:600}.header p{font-size:13px;opacity:.9;margin-top:4px}.container{padding:16px;max-width:960px;margin:0 auto}.card{background:var(--card);border-radius:var(--radius);padding:16px;margin-bottom:12px;box-shadow:var(--shadow);border:1px solid var(--border)}.card-title{font-size:16px;font-weight:600;margin-bottom:12px;display:flex;align-items:center;justify-content:space-between}.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}@media (min-width: 640px){.stats-grid{grid-template-columns:repeat(4,1fr)}}.stat-item{background:var(--primary-light);border-radius:var(--radius);padding:14px;text-align:center}.stat-item .num{font-size:24px;font-weight:700;color:var(--primary-dark)}.stat-item .label{font-size:12px;color:#115e59;margin-top:4px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:8px;border:none;font-size:15px;cursor:pointer;transition:opacity .2s}.btn:active{opacity:.85}.btn-primary{background:var(--primary);color:#fff;width:100%}.btn-outline{background:transparent;border:1px solid var(--primary);color:var(--primary)}.btn-sm{padding:6px 12px;font-size:13px}.btn-danger{background:var(--danger);color:#fff}.form-group{margin-bottom:14px}.form-group label{display:block;font-size:13px;color:#115e59;margin-bottom:6px;font-weight:500}.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:15px;background:#fff}.form-group textarea{min-height:80px;resize:vertical}.list-item{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid #f0fdfa}.list-item:last-child{border-bottom:none}.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:500}.badge-vacant{background:#d1fae5;color:#065f46}.badge-occupied{background:#fef3c7;color:#92400e}.badge-pending{background:#fee2e2;color:#991b1b}.badge-active{background:#dbeafe;color:#1e40af}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:var(--nav-h);background:#fff;border-top:1px solid var(--border);display:flex;z-index:100;max-width:960px;margin:0 auto}.bottom-nav a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;color:#64748b;padding:6px}.bottom-nav a.active{color:var(--primary);font-weight:600}.bottom-nav .icon{font-size:20px;margin-bottom:2px}.menu-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.menu-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 8px;text-align:center;cursor:pointer;box-shadow:var(--shadow)}.menu-item .icon{font-size:28px;margin-bottom:8px}.menu-item .text{font-size:13px;color:var(--text)}.empty{text-align:center;padding:40px 20px;color:#64748b}.toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(0,0,0,.75);color:#fff;padding:12px 24px;border-radius:8px;z-index:9999;font-size:14px}.login-page{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:24px;background:linear-gradient(180deg,var(--primary) 0%,var(--bg) 45%)}.login-card{background:#fff;border-radius:20px;padding:32px 24px;box-shadow:var(--shadow)}.login-logo{text-align:center;margin-bottom:28px}.login-logo h1{font-size:22px;color:var(--primary-dark)}.login-logo p{font-size:13px;color:#64748b;margin-top:8px}.tabs{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.tab{padding:6px 14px;border-radius:20px;font-size:13px;background:#fff;border:1px solid var(--border);cursor:pointer}.tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(0,0,0,.5);z-index:200;display:flex;align-items:flex-end;justify-content:center}@media (min-width: 640px){.modal-mask{align-items:center}}.modal{background:#fff;width:100%;max-width:480px;max-height:85vh;overflow-y:auto;border-radius:20px 20px 0 0;padding:20px}@media (min-width: 640px){.modal{border-radius:20px}}.modal h3{margin-bottom:16px;font-size:18px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px}th,td{padding:10px 8px;text-align:left;border-bottom:1px solid #f0fdfa}th{color:#64748b;font-weight:500}