*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
:root{--teal:#0d9488;--teal-dark:#0f766e;--bg:#f5f7fa;--card:#fff;--text:#111827;--muted:#6b7280;--border:#e5e7eb;--danger:#dc2626;--amber:#d97706;--blue:#2563eb;--green:#059669}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;height:100%}
body{display:flex;flex-direction:column}
.hidden{display:none!important}

/* 登录 */
#loginOverlay{position:fixed;inset:0;background:linear-gradient(160deg,#0d9488,#134e4a);display:flex;align-items:center;justify-content:center;padding:20px;z-index:100}
.login-card{background:#fff;border-radius:20px;padding:28px 24px;width:100%;max-width:360px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.login-logo{width:64px;height:64px;border-radius:18px;background:var(--teal);color:#fff;font-size:38px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.login-card h1{text-align:center;font-size:20px;margin:0 0 20px;color:var(--text)}
.login-card input{width:100%;padding:13px 14px;border:1px solid var(--border);border-radius:12px;font-size:15px;margin-bottom:12px}
#loginErr{min-height:18px;font-size:13px;color:var(--danger);margin-bottom:8px}
.btn-primary{width:100%;padding:13px;border:none;border-radius:12px;background:var(--teal);color:#fff;font-size:16px;font-weight:600;cursor:pointer}

/* 布局 */
#app{display:flex;flex-direction:column;height:100vh;height:100dvh}
#topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;padding-top:calc(14px + env(safe-area-inset-top));background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
#pageTitle{font-size:19px;font-weight:800}
#pageSub{font-size:12px;color:var(--muted);margin-top:2px}
.user-chip{font-size:13px;color:var(--muted);background:var(--bg);padding:6px 12px;border-radius:999px;cursor:pointer}
#content{flex:1;overflow-y:auto;padding:14px;padding-bottom:20px}
.view{display:none}
.view.active{display:block}

/* tabbar */
#tabbar{display:flex;background:var(--card);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom);overflow-x:auto;-webkit-overflow-scrolling:touch}
.tab{flex:1;min-width:56px;display:flex;flex-direction:column;align-items:center;gap:3px;padding:9px 4px 8px;border:none;background:none;color:var(--muted);font-size:11px;cursor:pointer;white-space:nowrap}
.tab.active{color:var(--teal)}
.tab-ic{font-size:20px;line-height:1}

/* 通用卡片 */
.card{background:var(--card);border-radius:14px;padding:14px;margin-bottom:12px;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.section-head{display:flex;align-items:center;justify-content:space-between;margin:14px 2px 10px}
.section-head h3{margin:0;font-size:15px}
.empty{text-align:center;color:var(--muted);padding:40px 10px;font-size:14px}

/* 待办/清单 分组 */
.group{margin-bottom:14px}
.group-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px;padding:0 2px}
.group-title{font-weight:700;font-size:15px}
.group-q{font-size:11px;color:var(--muted);background:var(--bg);padding:2px 8px;border-radius:999px}
.task{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px 14px;margin-bottom:8px}
.task input[type=checkbox]{width:20px;height:20px;flex-shrink:0;accent-color:var(--teal)}
.task .t{flex:1;font-size:14px;word-break:break-word}
.task.done .t{color:var(--muted);text-decoration:line-through}

/* 采购 */
.purchase-tabs{display:flex;gap:6px;margin-bottom:12px;overflow-x:auto}
.purchase-tab{flex:1;min-width:72px;padding:9px 8px;border:1px solid var(--border);border-radius:10px;background:var(--card);font-size:12px;color:var(--muted);cursor:pointer;text-align:center}
.purchase-tab.active{background:var(--teal);color:#fff;border-color:var(--teal);font-weight:600}
.order-card{background:var(--card);border-radius:14px;padding:14px;margin-bottom:12px;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.order-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}
.order-no{font-weight:800;font-size:15px;word-break:break-all}
.order-meta{font-size:12px;color:var(--muted);margin-bottom:8px}
.order-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.btn{flex:1;min-width:70px;padding:9px 10px;border:none;border-radius:10px;font-size:13px;font-weight:600;cursor:pointer;color:#fff}
.btn-green{background:var(--green)}.btn-gray{background:#64748b}.btn-amber{background:var(--amber)}.btn-blue{background:var(--blue)}.btn-red{background:var(--danger)}.btn-teal{background:var(--teal)}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:11px;color:#fff;font-weight:600}
.badge-pending{background:#64748b}.badge-purchased{background:#10b981}.badge-inquiry{background:#f59e0b}.badge-received{background:#3b82f6}

/* 日程 */
.date-nav{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.date-nav input{flex:1;padding:10px;border:1px solid var(--border);border-radius:10px;font-size:14px}
.cal-item{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px 14px;margin-bottom:8px}
.cal-item input[type=checkbox]{width:20px;height:20px;accent-color:var(--teal)}
.cal-item .t{flex:1;font-size:14px}
.cal-item.done .t{text-decoration:line-through;color:var(--muted)}
.cal-del{color:var(--danger);background:none;border:none;font-size:16px;cursor:pointer}

/* 快捷键 */
.shortcut-item{display:flex;align-items:center;justify-content:space-between;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:13px 14px;margin-bottom:8px;cursor:pointer}
.shortcut-item .n{font-size:14px;font-weight:600}
.shortcut-content{white-space:pre-wrap;font-size:14px;line-height:1.6;word-break:break-all}

/* 产品 */
.search-bar{width:100%;padding:11px 14px;border:1px solid var(--border);border-radius:12px;font-size:14px;margin-bottom:12px}
.product-item{display:flex;gap:12px;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px;margin-bottom:10px}
.product-item img{width:56px;height:56px;object-fit:contain;border-radius:8px;border:1px solid var(--border);flex-shrink:0;background:#fff}
.product-item .info{flex:1;min-width:0}
.product-item .m{font-weight:700;font-size:14px;color:var(--teal)}
.product-item .n{font-size:13px;color:var(--text);margin:3px 0}
.product-item .c{font-size:11px;color:var(--muted)}

/* 收藏 */
.fav-tabs{display:flex;gap:6px;margin-bottom:12px}
.fav-item{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px;margin-bottom:10px}
.fav-item .t{font-weight:600;font-size:14px;margin-bottom:4px}
.fav-item .m{font-size:11px;color:var(--muted)}
.fav-item img{width:100%;border-radius:8px;margin-top:8px}

/* 输入行 */
.inline-add{display:flex;gap:8px;margin-bottom:12px}
.inline-add input{flex:1;padding:11px;border:1px solid var(--border);border-radius:10px;font-size:14px}
.inline-add button{padding:0 16px;border:none;border-radius:10px;background:var(--teal);color:#fff;font-weight:600;cursor:pointer}

/* toast */
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:rgba(17,24,39,.92);color:#fff;padding:10px 18px;border-radius:999px;font-size:13px;z-index:200;opacity:0;pointer-events:none;transition:opacity .2s}
.toast.show{opacity:1}

/* modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:flex-end;justify-content:center;z-index:150;padding:16px}
.modal{background:#fff;border-radius:18px;padding:20px;width:100%;max-width:420px;max-height:80vh;overflow-y:auto}
.modal h3{margin:0 0 14px;font-size:16px}
.modal input,.modal textarea,.modal select{width:100%;padding:11px;border:1px solid var(--border);border-radius:10px;font-size:14px;margin-bottom:10px}
.modal textarea{min-height:100px;resize:vertical}
.modal-actions{display:flex;gap:10px;margin-top:6px}
.modal-actions button{flex:1;padding:11px;border:none;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer}

/* 返回按钮 */
.back-btn{width:32px;height:32px;border:none;background:var(--bg);border-radius:10px;font-size:22px;line-height:1;color:var(--text);cursor:pointer;flex-shrink:0;display:flex;align-items:center;justify-content:center}

/* 更多面板 */
.more-mask{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:120}
.more-panel{position:fixed;left:0;right:0;bottom:0;background:#fff;border-radius:18px 18px 0 0;padding:12px 16px calc(16px + env(safe-area-inset-bottom));z-index:130;animation:slideup .2s ease}
@keyframes slideup{from{transform:translateY(100%)}to{transform:translateY(0)}}
.more-item{display:flex;align-items:center;gap:14px;padding:15px 8px;font-size:16px;font-weight:600;border-bottom:1px solid var(--border);cursor:pointer}
.more-item .tab-ic{font-size:22px}
.more-cancel{text-align:center;padding:15px;font-size:15px;color:var(--muted);cursor:pointer;margin-top:6px}

/* 产品详情 */
.prod-detail-img{width:100%;max-height:200px;object-fit:contain;border-radius:12px;border:1px solid var(--border);background:#fff;margin-bottom:12px}
.prod-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.prod-detail-cell{background:var(--bg);border-radius:10px;padding:10px 12px}
.prod-detail-cell .k{font-size:11px;color:var(--muted);margin-bottom:3px}
.prod-detail-cell .v{font-size:13px;font-weight:600;word-break:break-word}
.prod-detail-desc{background:var(--bg);border-radius:10px;padding:12px;margin-top:8px;font-size:13px;line-height:1.7;white-space:pre-wrap}
.prod-price-tiers{margin-top:8px;background:var(--bg);border-radius:10px;padding:12px}
.prod-price-tiers .t{font-size:11px;color:var(--muted);margin-bottom:6px}
.tier-row{display:flex;justify-content:space-between;font-size:13px;padding:4px 0;border-bottom:1px dashed var(--border)}
.tier-row:last-child{border-bottom:none}

/* 新增采购弹窗 */
.po-model-wrap{position:relative}
.po-model-preview{display:flex;gap:10px;align-items:center;background:var(--bg);border-radius:10px;padding:10px;margin-bottom:10px}
.po-model-preview img{width:56px;height:56px;object-fit:contain;border-radius:8px;border:1px solid var(--border);background:#fff}
.po-model-preview .info{flex:1;min-width:0}
.po-model-preview .m{font-weight:700;font-size:14px;color:var(--teal)}
.po-model-preview .n{font-size:12px;color:var(--muted);margin-top:2px;word-break:break-all}

/* 待办 tab 未读角标 */
.tab { position: relative; }
.tab-badge {
    position: absolute;
    top: 3px;
    left: 50%;
    transform: translateX(6px);
    background: #ef4444;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    border-radius: 999px;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

/* 型号联想下拉（兼容手机浏览器） */
.po-suggest { margin-top: 6px; max-height: 240px; overflow-y: auto; border: 1px solid var(--border); border-radius: 10px; background: #fff; }
.po-suggest-item { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-bottom: 1px solid var(--border); cursor: pointer; }
.po-suggest-item:last-child { border-bottom: none; }
.po-suggest-item:active { background: var(--bg); }
.po-suggest-item img { width: 34px; height: 34px; object-fit: contain; border-radius: 6px; border: 1px solid var(--border); background: #fff; flex-shrink: 0; }
.po-suggest-item .m { font-weight: 700; font-size: 13px; color: var(--teal); }
.po-suggest-item .n { font-size: 11px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* 新增采购：多型号 + 多颜色 */
.po-items { margin-bottom: 10px; }
.po-item { border: 1px solid var(--border); border-radius: 10px; padding: 10px; margin-bottom: 10px; background: #fff; }
.po-item-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.po-item-head img { width: 36px; height: 36px; object-fit: contain; border-radius: 6px; border: 1px solid var(--border); background: #fff; flex-shrink: 0; }
.po-item-head .m { font-weight: 700; font-size: 13px; color: var(--teal); }
.po-item-head .n { font-size: 11px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.po-item-del { border: none; background: #fef2f2; color: #dc2626; border-radius: 6px; width: 26px; height: 26px; cursor: pointer; flex-shrink: 0; }
.po-variants { display: flex; flex-direction: column; gap: 6px; }
.po-variant { display: grid; grid-template-columns: 1fr 84px 32px; gap: 6px; align-items: center; }
.po-variant input { padding: 7px 9px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; width: 100%; box-sizing: border-box; }
.po-variant button { border: none; background: #fef2f2; color: #dc2626; border-radius: 8px; height: 34px; cursor: pointer; }
.po-add-color { margin-top: 8px; border: 1px dashed var(--border); background: #f8fafc; color: var(--muted); border-radius: 8px; padding: 6px 10px; font-size: 12px; cursor: pointer; width: 100%; }

/* 新增采购：多型号卡片 + 自定义型号/图片 */
.po-items { margin-bottom: 10px; }
.po-item { border: 1px solid var(--border); border-radius: 10px; padding: 10px; margin-bottom: 10px; background: #fff; }
.po-item-head { display: flex; align-items: flex-start; gap: 8px; margin-bottom: 8px; }
.po-model-input { width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; box-sizing: border-box; }
.po-item-del { border: none; background: #fef2f2; color: #dc2626; border-radius: 8px; width: 30px; height: 34px; cursor: pointer; flex-shrink: 0; }
.po-suggest-inline { position: absolute; left: 0; right: 0; top: 100%; z-index: 50; margin-top: 2px; max-height: 220px; overflow-y: auto; border: 1px solid var(--border); border-radius: 10px; background: #fff; box-shadow: 0 6px 20px rgba(0,0,0,.12); }
.po-item-body { display: flex; gap: 10px; align-items: flex-start; }
.po-img-box { display: flex; flex-direction: column; align-items: center; gap: 6px; flex-shrink: 0; }
.po-img-box img { width: 56px; height: 56px; object-fit: contain; border-radius: 8px; border: 1px solid var(--border); background: #fff; }
.po-img-ph { width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; border: 1px dashed var(--border); border-radius: 8px; color: var(--muted); font-size: 11px; background: #f8fafc; }
.po-img-btn { border: 1px solid var(--border); background: #f8fafc; color: var(--muted); border-radius: 6px; padding: 3px 6px; font-size: 10px; cursor: pointer; white-space: nowrap; }
.po-pname { font-size: 11px; color: var(--muted); margin-bottom: 6px; }
.po-add-item { width: 100%; border: 1px dashed var(--border); background: #f8fafc; color: var(--teal); border-radius: 10px; padding: 9px; font-size: 13px; font-weight: 600; cursor: pointer; }