/* ==========================================================================
   嘉鸿 · 项目管理系统 管理后台
   ========================================================================== */
:root {
    --primary: #4A90D9;
    --primary-dark: #357ABD;
    --primary-light: #E8F2FC;
    --success: #52C41A;
    --warning: #FAAD14;
    --danger: #FF4D4F;
    --text-main: #333;
    --text-secondary: #666;
    --text-hint: #999;
    --bg-page: #F5F6FA;
    --border: #EBEBEB;
    --radius: 12px;
    --shadow: 0 2px 12px rgba(0, 0, 0, .06);
    --topbar-h: 56px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg-page); color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 14px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
input, select, button, textarea { font-family: inherit; font-size: 14px; outline: none; }
a { color: var(--primary); }

/* ============================ 登录 ============================ */
.admin-login-page {
    position: fixed; inset: 0; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(160deg, #5B9FE3 0%, #4A90D9 45%, #3A76B8 100%); padding: 20px;
}
.admin-login-box {
    width: 100%; max-width: 400px; background: #fff; border-radius: 16px; padding: 32px 28px 26px;
    box-shadow: 0 16px 50px rgba(0, 0, 0, .2); text-align: center;
}
.login-icon {
    width: 58px; height: 58px; margin: 0 auto 14px; border-radius: 16px;
    background: var(--primary-light); display: flex; align-items: center; justify-content: center;
}
.login-icon svg { width: 30px; height: 30px; }
.admin-login-box h1 { font-size: 19px; margin: 0 0 4px; }
.admin-login-box .subtitle { color: var(--text-hint); font-size: 13px; margin-bottom: 22px; }
.admin-login-box form { text-align: left; }
.back-link { margin-top: 16px; font-size: 13px; }
.back-link a { text-decoration: none; color: var(--text-hint); }
.back-link a:hover { color: var(--primary); }

/* ============================ 表单 ============================ */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 7px; }
.form-input, .form-select, .form-textarea {
    width: 100%; padding: 10px 12px; border: 1px solid #DFE3E8; border-radius: 9px;
    background: #fff; color: var(--text-main); transition: border-color .18s, box-shadow .18s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(74,144,217,.12); }
.form-textarea { min-height: 76px; resize: vertical; }
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; background-size: 15px; padding-right: 32px; }
.form-row { display: flex; gap: 12px; }
.form-row > * { flex: 1; }
.form-hint { font-size: 12px; color: var(--text-hint); margin-top: 6px; }

.btn-primary {
    padding: 10px 20px; border: none; border-radius: 9px; cursor: pointer;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff; font-weight: 600; box-shadow: 0 3px 12px rgba(74,144,217,.28);
    transition: opacity .18s;
}
.btn-primary:hover { opacity: .92; }
.btn-primary:disabled { opacity: .55; cursor: not-allowed; box-shadow: none; }
.btn-inline { padding: 9px 18px; }
.btn-export {
    padding: 9px 16px; border: 1px solid var(--primary); border-radius: 9px;
    background: var(--primary-light); color: var(--primary-dark); cursor: pointer;
}
.btn-export:hover { background: #DCEAF9; }
.btn-send-code { padding: 0 14px; border: 1px solid var(--primary); border-radius: 9px; background: var(--primary-light); color: var(--primary-dark); cursor: pointer; white-space: nowrap; }
.btn-send-code:disabled { border-color: #DDD; background: #F5F5F5; color: #AAA; cursor: not-allowed; }
.code-group { display: flex; gap: 9px; }
.code-group .form-input { flex: 1; }

/* ============================ 顶栏 / Tab ============================ */
.admin-topbar {
    height: var(--topbar-h); display: flex; align-items: center; justify-content: space-between;
    padding: 0 20px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff; position: sticky; top: 0; z-index: 50;
}
.admin-topbar .logo { display: flex; align-items: center; gap: 9px; font-size: 16px; font-weight: 700; }
.admin-topbar .logo svg { width: 22px; height: 22px; }
.admin-topbar .user-info { display: flex; align-items: center; gap: 14px; font-size: 13px; }
.admin-topbar .link-h5 { color: rgba(255,255,255,.9); text-decoration: none; }
.admin-topbar .link-h5:hover { text-decoration: underline; }
.btn-logout { padding: 5px 13px; border: 1px solid rgba(255,255,255,.55); border-radius: 20px; background: transparent; color: #fff; cursor: pointer; font-size: 12px; }
.btn-logout:hover { background: rgba(255,255,255,.15); }

.admin-tabs {
    display: flex; gap: 4px; padding: 0 20px; background: #fff;
    border-bottom: 1px solid var(--border); position: sticky; top: var(--topbar-h); z-index: 40;
    overflow-x: auto;
}
.admin-tab {
    padding: 13px 18px; font-size: 14px; color: var(--text-secondary); cursor: pointer;
    border-bottom: 2px solid transparent; white-space: nowrap; transition: all .18s;
}
.admin-tab:hover { color: var(--primary); }
.admin-tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

.admin-body { padding: 18px 20px 40px; max-width: 1600px; margin: 0 auto; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ============================ 筛选栏 ============================ */
.filter-bar {
    display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
    background: #fff; border-radius: var(--radius); padding: 13px 15px; box-shadow: var(--shadow); margin-bottom: 14px;
}
.range-bar { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
    padding: 6px 13px; border-radius: 18px; background: #F5F7FA; border: 1px solid var(--border);
    color: var(--text-secondary); font-size: 13px; cursor: pointer; transition: all .16s;
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.filter-item { display: flex; align-items: center; gap: 7px; }
.filter-item .form-input { width: 150px; }
.sep { color: var(--text-hint); font-size: 12px; }
.notice { background: #FFF8E1; border: 1px solid #FFE0A3; color: #8A5B00; padding: 11px 15px; border-radius: 10px; margin-bottom: 14px; font-size: 13px; }

/* ============================ KPI ============================ */
.kpi-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-bottom: 14px; }
.kpi {
    background: #fff; border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow);
}
.kpi-num { font-size: 26px; font-weight: 700; line-height: 1.2; }
.kpi-num small { font-size: 13px; font-weight: 400; color: var(--text-hint); margin-left: 2px; }
.kpi-label { font-size: 12.5px; color: var(--text-secondary); margin-top: 2px; }
.kpi.k-construct .kpi-num { color: #D97706; }
.kpi.k-days .kpi-num { color: #7C3AED; }
.kpi.k-install .kpi-num { color: #059669; }
.kpi.k-total .kpi-num { color: var(--primary); }
.kpi.k-emp .kpi-num { color: #DB2777; }

/* ============================ 卡片 / 表格 ============================ */
.panel-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 14px; overflow: hidden; }
.panel-head { display: flex; align-items: center; justify-content: space-between; padding: 15px 18px; border-bottom: 1px solid var(--border); }
.panel-head h3 { margin: 0; font-size: 15px; }
.panel-sub { font-size: 12.5px; color: var(--text-hint); }
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 720px; }
.data-table th, .data-table td { padding: 11px 14px; text-align: left; border-bottom: 1px solid #F2F4F7; vertical-align: middle; }
.data-table th { background: #FAFBFC; color: var(--text-secondary); font-weight: 600; font-size: 13px; white-space: nowrap; }
.data-table tbody tr:hover { background: #FAFCFF; }
.data-table .num { text-align: center; font-variant-numeric: tabular-nums; }
.data-table .empty-row { text-align: center; color: var(--text-hint); padding: 34px; }
.data-table .rank { font-weight: 700; color: var(--text-hint); text-align: center; }
.data-table .rank.top1 { color: #D4A017; }
.data-table .rank.top2 { color: #8C9BAE; }
.data-table .rank.top3 { color: #C08552; }
.cell-main { font-weight: 500; }
.cell-sub { font-size: 12px; color: var(--text-hint); }
.cell-ellipsis { max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.tag { display: inline-block; padding: 2px 8px; border-radius: 5px; font-size: 11.5px; white-space: nowrap; }
.tag.t-construct { background: #FEF3C7; color: #B45309; }
.tag.t-install { background: #D1FAE5; color: #047857; }
.tag.t-done { background: #DCFCE7; color: #15803D; }
.tag.t-working { background: #FEF9C3; color: #A16207; }
.tag.t-plain { background: #F1F3F7; color: var(--text-secondary); }
.tag.t-super { background: #EDE9FE; color: #6D28D9; }
.tag.t-admin { background: #DBEAFE; color: #1D4ED8; }
.tag.t-off { background: #FEE2E2; color: #B91C1C; }

.link-btn { color: var(--primary); cursor: pointer; font-size: 13px; margin-right: 10px; white-space: nowrap; }
.link-btn:hover { text-decoration: underline; }
.link-btn.danger { color: var(--danger); }

.pager { display: flex; align-items: center; justify-content: flex-end; gap: 8px; padding: 13px 18px; font-size: 13px; color: var(--text-secondary); }
.pager button {
    padding: 6px 12px; border: 1px solid var(--border); border-radius: 7px; background: #fff;
    cursor: pointer; color: var(--text-secondary);
}
.pager button:disabled { opacity: .5; cursor: not-allowed; }
.pager button:not(:disabled):hover { border-color: var(--primary); color: var(--primary); }

/* ============================ 弹窗 ============================ */
.modal-mask { position: fixed; inset: 0; background: rgba(15, 23, 42, .5); z-index: 300; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal-box { width: 100%; max-width: 720px; max-height: 90vh; background: #fff; border-radius: 14px; display: flex; flex-direction: column; overflow: hidden; }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.modal-head h3 { margin: 0; font-size: 16px; }
.modal-close { font-size: 24px; line-height: 1; color: var(--text-hint); cursor: pointer; }
.modal-close:hover { color: var(--text-main); }
.modal-body { padding: 18px 20px; overflow-y: auto; }
.modal-foot { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }

.detail-grid { display: grid; grid-template-columns: 96px 1fr; gap: 8px 12px; font-size: 13.5px; }
.detail-grid .k { color: var(--text-hint); font-size: 13px; }
.detail-section { margin-top: 18px; }
.detail-section h4 { margin: 0 0 9px; font-size: 14px; display: flex; justify-content: space-between; }
.detail-section h4 span { font-size: 12px; color: var(--text-hint); font-weight: 400; }
.photo-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.ph-item { position: relative; padding-top: 100%; border-radius: 8px; overflow: hidden; background: #F1F3F7; cursor: zoom-in; }
.ph-item img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ds-batch-label { font-size: 11.5px; color: var(--text-hint); margin: 10px 0 6px; }

.remark { border: 1px solid var(--border); border-radius: 10px; padding: 11px 13px; margin-bottom: 9px; }
.remark-head { display: flex; gap: 9px; align-items: center; font-size: 12.5px; margin-bottom: 4px; }
.remark-user { font-weight: 600; }
.remark-time { color: var(--text-hint); font-size: 11.5px; }
.remark-body { font-size: 13.5px; white-space: pre-wrap; word-break: break-word; }
.comments { margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--border); display: flex; flex-direction: column; gap: 5px; }
.comment { font-size: 13px; background: #F7F9FC; border-radius: 7px; padding: 6px 10px; }
.comment b { color: var(--primary-dark); }
.comment-time { color: var(--text-hint); font-size: 11px; margin-left: 6px; }

.toast {
    position: fixed; left: 50%; top: 44%; transform: translate(-50%, -50%) scale(.95);
    background: rgba(0, 0, 0, .78); color: #fff; padding: 10px 20px; border-radius: 10px;
    font-size: 13.5px; z-index: 999; opacity: 0; pointer-events: none; transition: all .2s;
    max-width: 78vw; text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, -50%) scale(1); }

/* 图片放大 */
.img-viewer { position: fixed; inset: 0; background: rgba(0, 0, 0, .92); z-index: 900; display: flex; align-items: center; justify-content: center; cursor: zoom-out; }
.img-viewer img { max-width: 96%; max-height: 96%; object-fit: contain; }

/* ============================ 响应式 ============================ */
@media (max-width: 1100px) {
    .kpi-row { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 760px) {
    .admin-topbar { padding: 0 12px; font-size: 14px; }
    .admin-topbar .logo { font-size: 14px; }
    .admin-body { padding: 12px; }
    .admin-tabs { padding: 0 8px; }
    .admin-tab { padding: 12px 13px; font-size: 13.5px; }
    .kpi-row { grid-template-columns: repeat(2, 1fr); }
    .kpi { padding: 13px 14px; }
    .kpi-num { font-size: 21px; }
    .filter-bar { padding: 11px 12px; }
    .filter-item .form-input { width: 100%; }
    .photo-grid { grid-template-columns: repeat(3, 1fr); }
    .modal-box { max-height: 95vh; }
    .detail-grid { grid-template-columns: 82px 1fr; }
}