:root{--blue:#1daee5;--blue-dark:#0a88bd;--ink:#10182d;--muted:#657187;--line:#d8e8f0;--bg:#eef1f5;--panel:#ffffff;--ok:#0b7f63;--danger:#c03221;--warning:#9a6700;--shadow:0 18px 46px rgba(26,82,118,0.13);--admin-dark:#343a40;--admin-darker:#2f353a;--admin-active:#1f2937;--admin-blue:#3c8dbc}*{box-sizing:border-box}body,html{min-height:100%}body{margin:0;color:var(--ink);background:var(--bg);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans TC,sans-serif}a{color:inherit}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}.btn,.icon-btn{min-height:36px;border:1px solid transparent;border-radius:4px;padding:0 13px;display:inline-flex;align-items:center;justify-content:center;gap:8px;color:#fff;background:var(--blue);font-weight:850;text-decoration:none}.btn:hover{background:var(--blue-dark)}.btn.secondary{color:var(--ink);background:#e9f3f8}.btn.secondary:hover{background:#dcebf2}.btn.danger{background:#dc3545}.btn.success{background:#28a745}.btn.slate{background:#3f4f6b}.btn.secondary.dark{color:#fff;background:#6c757d}.icon-btn{width:40px;padding:0;color:#343a40;background:#f8f9fa;border-color:#d4dae0}.icon-btn.small{width:32px;min-height:28px;font-size:22px;line-height:1}.field{display:grid;grid-gap:6px;gap:6px;color:var(--muted);font-size:13px;font-weight:800}.field input,.field select,.field textarea,.input{width:100%;min-height:38px;border:1px solid var(--line);border-radius:4px;padding:8px 10px;color:var(--ink);background:#fff;outline:none}.field textarea{min-height:78px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus,.input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(29,174,229,.13)}.status-line{min-height:22px;color:var(--muted);font-size:13px;font-weight:750}.status-line.ok{color:var(--ok)}.status-line.error{color:var(--danger)}.admin-shell{min-height:100vh;display:grid;grid-template-columns:248px 1fr;background:var(--bg);transition:grid-template-columns .22s ease}.admin-shell.sidebar-collapsed{grid-template-columns:72px 1fr}.admin-nav{position:-webkit-sticky;position:sticky;top:0;min-height:100vh;overflow-x:hidden;color:#d6dde4;background:var(--admin-dark);box-shadow:5px 0 18px rgba(31,41,55,.16)}.admin-brand{min-height:54px;border-bottom:1px solid rgba(255,255,255,.11);padding:0 18px;display:flex;align-items:center;gap:10px;color:#f6f7f8;text-decoration:none}.admin-brand:hover{color:#fff;background:rgba(255,255,255,.04)}.sidebar-collapsed .admin-brand{justify-content:center;padding:0}.admin-brand img{width:28px;height:28px;border-radius:2px;object-fit:cover}.admin-brand strong{font-size:20px;font-weight:500;white-space:nowrap}.sidebar-collapsed .admin-brand strong{display:none}.admin-links{display:grid;grid-gap:4px;gap:4px}.admin-links,.sidebar-collapsed .admin-links{padding:14px 8px}.nav-heading{padding:12px 8px 6px;color:#cfd6dd;font-size:13px;font-weight:700}.sidebar-collapsed .nav-heading{height:12px;padding:6px 0;overflow:hidden;color:transparent}.admin-links a,.admin-links button{min-height:44px;border:0;border-radius:4px;padding:0 16px;display:flex;align-items:center;gap:10px;color:#e7edf3;background:transparent;font-weight:700;text-decoration:none}.admin-links .nav-parent{width:100%;background:rgba(255,255,255,.12)}.sidebar-collapsed .admin-links a,.sidebar-collapsed .admin-links button{justify-content:center;padding:0}.nav-icon{width:18px;flex:0 0 18px;text-align:center;font-size:16px}.nav-label{white-space:nowrap}.sidebar-collapsed .nav-label{display:none}.nav-caret{margin-left:auto;transition:transform .18s ease}.nav-parent[aria-expanded=false] .nav-caret{transform:rotate(-90deg)}.sidebar-collapsed .nav-caret{display:none}.nav-submenu{display:grid;grid-gap:2px;gap:2px}.nav-submenu a{min-height:36px;padding-left:22px;color:#dbe2ea}.sidebar-collapsed .nav-submenu a{min-height:44px;padding-left:0}.admin-links a:hover,.admin-links button:hover{color:#fff;background:var(--admin-active)}.admin-main{min-width:0;min-height:100vh;display:grid;grid-template-rows:auto 1fr auto}.admin-topbar{min-height:54px;border-bottom:1px solid #d6dce2;display:flex;align-items:center;justify-content:space-between;background:#fff}.admin-menu-btn{width:54px;min-height:54px;border:0;color:#7b7f84;background:transparent;font-size:22px}.admin-topbar-right{padding:0 22px;display:flex;align-items:center;gap:12px;color:#5f6670;font-weight:650}.admin-user-menu{position:relative}.admin-user-trigger{min-height:54px;border:0;padding:0 4px;display:inline-flex;align-items:center;gap:8px;color:#5f6670;background:transparent;font-weight:650}.admin-user-trigger:hover,.admin-user-trigger[aria-expanded=true]{color:#1f2937}.admin-user-dropdown{position:absolute;top:calc(100% + 1px);right:0;z-index:20;min-width:140px;border:1px solid #d6dce2;border-radius:4px;padding:6px 0;background:#fff;box-shadow:0 8px 20px rgba(31,41,55,.16)}.admin-user-dropdown button{width:100%;min-height:38px;border:0;padding:0 14px;display:flex;align-items:center;gap:10px;color:#343a40;background:transparent;text-align:left;font-weight:650}.admin-user-dropdown button:hover{background:#f4f6f9}.admin-content{min-width:0;padding:18px 22px 28px}.admin-page-title{min-height:50px;display:flex;align-items:center;justify-content:space-between;gap:16px}.admin-page-title h1{margin:0;color:#3f4f6b;font-size:28px;font-weight:750}.admin-actions{display:flex;flex-wrap:wrap;gap:8px}.admin-card{border:1px solid #d9dee4;border-radius:4px;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.08)}.admin-card-header{min-height:54px;border-bottom:1px solid #d9dee4;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:12px}.admin-card-header h2{margin:0;color:#3f4f6b;font-size:17px;font-weight:650}.admin-card-body{padding:16px 20px}.admin-modal-backdrop{position:fixed;inset:0;z-index:2000;padding:22px;display:grid;place-items:start center;background:rgba(0,0,0,.5)}.admin-modal{width:min(500px,100%);margin-top:0;border-radius:4px;background:#fff;box-shadow:0 8px 28px rgba(0,0,0,.38)}.admin-modal-header{min-height:64px;border-bottom:1px solid #e2e7ec;padding:0 16px;display:flex;align-items:center;justify-content:space-between}.admin-modal-header h2{margin:0;color:#1f2937;font-size:20px}.admin-modal-header button{border:0;color:#85898e;background:transparent;font-size:28px;font-weight:700}.admin-modal-body{padding:18px 16px 44px}.admin-modal-footer{border-top:1px solid #e2e7ec;padding:16px;display:flex;justify-content:flex-end;gap:8px}.admin-footer{min-height:42px;border-top:1px solid #d6dce2;padding:0 14px;display:flex;align-items:center;justify-content:space-between;color:#6e7782;background:#fff;font-size:13px}.admin-footer a{color:#007bff;font-weight:800;text-decoration:none}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:4px;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.08)}table{width:100%;border-collapse:collapse;min-width:760px}td,th{border-bottom:1px solid var(--line);padding:11px 12px;text-align:center;vertical-align:middle}th{color:#1f2937;background:#fff;font-size:14px;font-weight:800}tr.disabled-row{background:#f1f3f5}.pill{min-height:26px;border-radius:999px;padding:4px 9px;display:inline-flex;align-items:center;color:var(--ok);background:#e7f7f0;font-size:12px;font-weight:900}.pill.muted{color:#697586;background:#eef2f6}@media (max-width:900px){.admin-shell,.admin-shell.sidebar-collapsed{grid-template-columns:1fr}.admin-nav{position:static;min-height:0}.admin-shell.sidebar-collapsed .admin-nav{display:none}.admin-links{grid-template-columns:1fr}.sidebar-collapsed .admin-brand{justify-content:flex-start;padding:0 18px}.sidebar-collapsed .admin-brand strong,.sidebar-collapsed .nav-label{display:inline}.sidebar-collapsed .nav-heading{height:auto;padding:12px 8px 6px;color:#cfd6dd}.sidebar-collapsed .admin-links a,.sidebar-collapsed .admin-links button{justify-content:flex-start;padding:0 16px}.admin-page-title{align-items:flex-start;flex-direction:column}}