*{box-sizing:border-box;margin:0;padding:0}
:root{--blue:#0a5bc0;--blue-d:#083f8f;--ink:#2c3644;--soft:#6b7688;--line:#e6ebf2;--bg:#eef2f7}
body{font-family:"PingFang TC","Microsoft JhengHei","Noto Sans TC",sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
a{text-decoration:none;color:inherit}
img,svg{display:block}

/* 登入 */
.admin-login{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0d63cb,#0a3f8f)}
.login-card{background:#fff;border-radius:16px;padding:44px 40px;width:360px;text-align:center;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.login-emblem{display:flex;justify-content:center;margin-bottom:10px}
.login-card h1{font-size:21px;color:var(--blue-d);letter-spacing:2px}
.login-sub{color:var(--soft);font-size:13px;margin-bottom:22px}
.login-error{background:#fdecec;color:#c0392b;padding:9px;border-radius:8px;font-size:14px;margin-bottom:16px}
.login-card form{display:flex;flex-direction:column;gap:14px;text-align:left}
.login-card label{font-size:13px;color:var(--soft);display:flex;flex-direction:column;gap:6px}
.login-card input{padding:11px 13px;border:1px solid var(--line);border-radius:8px;font-size:15px;font-family:inherit}
.login-card input:focus{outline:none;border-color:var(--blue)}
.login-card button{margin-top:6px;background:var(--blue);color:#fff;border:none;padding:12px;border-radius:8px;font-size:16px;cursor:pointer;letter-spacing:4px}
.login-card button:hover{background:var(--blue-d)}
.login-back{display:inline-block;margin-top:18px;color:var(--soft);font-size:13px}

/* 版面 */
.admin-wrap{display:flex;min-height:100vh}
.admin-side{width:238px;background:#16233a;color:#c8d2e0;flex:none;display:flex;flex-direction:column}
.admin-brand{padding:22px 20px;border-bottom:1px solid rgba(255,255,255,.08)}
.admin-brand strong{display:block;font-size:16px;color:#fff;letter-spacing:1px}
.admin-brand small{color:#7c8aa3;font-size:12px}
.admin-menu{padding:12px 0;display:flex;flex-direction:column}
.admin-menu a{padding:11px 20px;font-size:14.5px;color:#c1ccdb;border-left:3px solid transparent}
.admin-menu a:hover{background:rgba(255,255,255,.05);color:#fff}
.admin-menu a.on{background:rgba(10,91,192,.28);border-left-color:#4ea1ff;color:#fff}
.menu-group{padding:14px 20px 6px;font-size:11.5px;color:#5f6d85;letter-spacing:1px}
.admin-main{flex:1;display:flex;flex-direction:column;min-width:0}
.admin-top{background:#fff;height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 26px;box-shadow:0 1px 4px rgba(0,0,0,.06)}
.admin-top-title{font-size:18px;font-weight:700}
.admin-top-right{display:flex;align-items:center;gap:16px;font-size:14px}
.admin-user{color:var(--soft)}
.ghost{color:var(--blue);font-size:14px}
.ghost:hover{text-decoration:underline}
.admin-content{padding:26px;overflow:auto}

/* 卡片 / 面板 */
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:22px}
.stat-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 14px rgba(20,60,120,.06)}
.stat-num{font-size:30px;font-weight:800;color:var(--blue);font-variant-numeric:tabular-nums}
.stat-label{color:var(--soft);font-size:14px;margin-top:4px}
.panel{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 14px rgba(20,60,120,.06);margin-bottom:22px}
.panel h2{font-size:17px;margin-bottom:16px}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.panel-head h2{margin-bottom:0}
.hint{color:var(--soft);font-size:13.5px;margin-bottom:14px}
.flash{background:#e7f6ec;color:#1f8a4c;padding:12px 18px;border-radius:10px;margin-bottom:18px;font-size:14.5px}
.btn-primary{background:var(--blue);color:#fff;padding:9px 18px;border-radius:8px;border:none;font-size:14.5px;cursor:pointer;display:inline-block}
.btn-primary:hover{background:var(--blue-d)}

/* 表格 */
.data-table{width:100%;border-collapse:collapse;font-size:14px}
.data-table th,.data-table td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
.data-table th{background:#f6f9fd;color:#4a5568;font-weight:700;font-size:13px}
.data-table th.r,.data-table td.r{text-align:right}
.data-table td.strong{font-weight:700}
.data-table td.mono,.mono{font-variant-numeric:tabular-nums;font-family:ui-monospace,Menlo,monospace}
.flag-sm{width:26px;height:18px;border-radius:2px;box-shadow:0 0 0 1px rgba(0,0,0,.08)}
.badge{font-size:12px;padding:2px 10px;border-radius:12px}
.badge.on{background:#e3f4ea;color:#1f8a4c}
.badge.off{background:#f0f2f5;color:#8a94a3}
.actions{display:flex;gap:8px;align-items:center}
.actions form{display:inline}
.mini{font-size:13px;padding:5px 12px;border-radius:6px;background:#eef3fb;color:var(--blue);border:none;cursor:pointer}
.mini.danger{background:#fdeceb;color:#c0392b}
.mini:hover{filter:brightness(.96)}
.empty{text-align:center;color:var(--soft);padding:26px}

/* 表單 */
.admin-form{max-width:720px}
.form-row{margin-bottom:18px}
.form-row.two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:6px;font-size:13.5px;color:var(--soft);position:relative}
.field input,.field select{padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:15px;font-family:inherit;color:var(--ink)}
.field input:focus,.field select:focus{outline:none;border-color:var(--blue)}
.field.checkbox{flex-direction:row;align-items:center;gap:8px;font-size:15px;color:var(--ink);padding-top:26px}
.field.checkbox input{width:18px;height:18px}
.flag-preview{position:absolute;right:12px;bottom:11px;width:28px;height:20px;border-radius:2px;box-shadow:0 0 0 1px rgba(0,0,0,.1)}
.form-actions{display:flex;gap:12px;align-items:center;margin-top:8px}
.inline-form{display:flex;gap:20px;align-items:flex-end;flex-wrap:wrap}
.inline-form label{display:flex;flex-direction:column;gap:6px;font-size:13.5px;color:var(--soft)}
.inline-form input{padding:9px 12px;border:1px solid var(--line);border-radius:8px;font-size:15px;min-width:220px;font-family:inherit}
.inline-form small{color:#9aa4b2;font-size:12px}

/* 快速連結 */
.quick-links{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:8px}
.ql{background:#f4f8fe;border:1px solid #e0ebf9;color:var(--blue);padding:14px 20px;border-radius:10px;font-size:15px}
.ql:hover{background:#e9f2fd}

.field textarea{padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:15px;font-family:inherit;color:var(--ink);resize:vertical;line-height:1.7}
.field textarea:focus{outline:none;border-color:var(--blue)}
.field input[type=file]{padding:8px;background:#f8fafc;border:1px dashed #cfd8e3}
.current-file{margin-top:10px;font-size:13.5px;color:var(--soft);display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.current-file a{color:var(--blue)}
.current-file .rm{display:flex;gap:5px;align-items:center;color:#c0392b}
.form-panel{max-width:820px}

/* 單位專區 */
.unit-wrap{min-height:100vh;background:var(--bg)}
.unit-top{background:linear-gradient(90deg,#0d63cb,#0a3f8f);color:#fff;height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 26px}
.unit-title strong{font-size:16px;letter-spacing:1px}
.unit-right{display:flex;align-items:center;gap:16px;font-size:14px}
.unit-right .ghost{color:#cfe2fb}
.unit-right .ghost:hover{color:#fff}
.unit-body{max-width:1000px;margin:0 auto;padding:26px}

@media (max-width:860px){
  .admin-side{width:60px}
  .admin-brand,.menu-group{display:none}
  .admin-menu a{padding:14px 0;text-align:center;font-size:0}
  .admin-menu a::first-letter{font-size:20px}
  .stat-grid{grid-template-columns:1fr}
  .form-row.two{grid-template-columns:1fr}
}