/* ========== NDRI 後台管理 — 沿用前台設計語言 ========== */
*,::after,::before{box-sizing:border-box}
:root{--mint:#A8D8B9;--mint-light:#C8E8D4;--mint-deep:#7FC49A;--cream:#FFF6D9;--peach:#FFD3B6;--peach-light:#FFE8D6;--ink:#2F5D4A;--ink-light:#5A8A72;--bg:#F5F9F0;--bg-card:#FFFFFF;--border:#D8E8DC;--yellow:#FFE58A;--red:#FFB3B3;--blue:#B8DFF0;--shadow:0 4px 16px rgba(47,93,74,.08);--shadow-hover:0 8px 24px rgba(47,93,74,.15);--radius:20px;--radius-sm:12px;--transition:all .3s ease-out}
body{margin:0;padding:0;font-family:-apple-system,"PingFang TC","Microsoft JhengHei","Segoe UI",sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.7;min-height:100vh}

/* ---------- 登入頁 ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(135deg,var(--mint-light) 0,var(--cream) 100%)}
.login-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-hover);padding:44px 40px;width:100%;max-width:400px;text-align:center}
.login-card .logo{font-size:44px;margin-bottom:8px}
.login-card h1{font-size:22px;margin:0 0 6px;color:var(--ink)}
.login-card p{color:var(--ink-light);font-size:14px;margin:0 0 24px}
.login-card input{width:100%;padding:12px 16px;border:2px solid var(--border);border-radius:var(--radius-sm);font-size:15px;margin-bottom:14px;outline:none;transition:var(--transition)}
.login-card input:focus{border-color:var(--mint)}
.login-card button{width:100%;padding:13px;background:var(--mint);color:#fff;border:none;border-radius:999px;font-size:16px;font-weight:600;cursor:pointer;transition:var(--transition)}
.login-card button:hover{background:var(--mint-deep);transform:translateY(-2px);box-shadow:var(--shadow)}
.login-hint{margin-top:16px;font-size:13px;color:var(--ink-light)}
.login-err{color:#D05A5A;font-size:14px;margin-bottom:10px;display:none}

/* ---------- 框架 ---------- */
.admin-layout{display:flex;min-height:100vh}
.sidebar{width:230px;background:#fff;box-shadow:var(--shadow);padding:24px 14px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;flex-shrink:0}
.sidebar .brand{font-size:17px;font-weight:700;color:var(--ink);padding:0 10px 18px;border-bottom:2px solid var(--border);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-link{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:var(--radius-sm);color:var(--ink);font-size:15px;font-weight:500;cursor:pointer;margin-bottom:4px;transition:var(--transition);border:none;background:none;width:100%;text-align:left}
.side-link:hover{background:var(--mint-light)}
.side-link.active{background:var(--mint);color:#fff}
.side-foot{margin-top:auto;padding:12px 10px 0;border-top:2px solid var(--border);font-size:13px;color:var(--ink-light)}
.side-foot a{color:var(--mint-deep);cursor:pointer;text-decoration:none}
.main{flex:1;padding:28px 32px;min-width:0}
.page-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;flex-wrap:wrap;gap:12px}
.page-head h2{margin:0;font-size:24px;display:flex;align-items:center;gap:10px}

/* ---------- 面板 / 卡片 ---------- */
.panel{display:none;animation:fadeIn .3s ease-out}
.panel.active{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.card{background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;margin-bottom:20px}
.card h3{margin:0 0 16px;font-size:18px;display:flex;align-items:center;gap:8px}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px;margin-bottom:20px}
.stat-card{background:#fff;border-radius:var(--radius);padding:20px;text-align:center;box-shadow:var(--shadow);border:2px solid transparent;transition:var(--transition)}
.stat-card:hover{transform:translateY(-3px);border-color:var(--mint)}
.stat-card .icon{font-size:30px}
.stat-card .num{font-size:30px;font-weight:700;line-height:1.2}
.stat-card .label{font-size:14px;color:var(--ink-light)}

/* ---------- 表格 ---------- */
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top}
th{background:var(--bg);font-weight:600;color:var(--ink);white-space:nowrap}
tr:hover td{background:var(--bg)}
.table-wrap{overflow-x:auto}

/* ---------- 按鈕 / 表單 ---------- */
.btn{padding:8px 18px;border:none;border-radius:999px;font-size:14px;font-weight:600;cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;gap:6px}
.btn-primary{background:var(--mint);color:#fff}
.btn-primary:hover{background:var(--mint-deep);transform:translateY(-1px)}
.btn-ghost{background:var(--bg);color:var(--ink);border:2px solid var(--border)}
.btn-ghost:hover{border-color:var(--mint)}
.btn-danger{background:var(--red);color:#7A2E2E}
.btn-danger:hover{background:#F09A9A}
.btn-sm{padding:4px 12px;font-size:13px}
input,select,textarea{padding:9px 13px;border:2px solid var(--border);border-radius:var(--radius-sm);font-size:14px;font-family:inherit;outline:none;transition:var(--transition);background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{border-color:var(--mint)}
textarea{resize:vertical;min-height:80px}
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:14px}
.form-item label{display:block;font-size:13px;font-weight:600;color:var(--ink-light);margin-bottom:5px}
.form-item input,.form-item select,.form-item textarea{width:100%}

/* ---------- 標籤 / 狀態 ---------- */
.tag{display:inline-block;padding:2px 12px;border-radius:999px;font-size:12px;font-weight:600}
.tag-pending{background:var(--yellow);color:#8a6d00}
.tag-processing{background:var(--blue);color:#1f5f7a}
.tag-replied{background:var(--mint);color:#fff}
.tag-closed{background:#ddd;color:#666}
.tag-cat{background:var(--cream);color:var(--ink)}

/* ---------- 彈窗 ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(47,93,74,.35);display:none;align-items:center;justify-content:center;z-index:1000;padding:20px}
.modal-mask.open{display:flex}
.modal{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-hover);padding:28px;width:100%;max-width:560px;max-height:88vh;overflow-y:auto;animation:fadeIn .25s ease-out}
.modal h3{margin:0 0 18px;font-size:19px}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}

/* ---------- 提示 ---------- */
.toast{position:fixed;top:24px;left:50%;transform:translateX(-50%) translateY(-80px);background:var(--ink);color:#fff;padding:12px 26px;border-radius:999px;font-size:14px;box-shadow:var(--shadow-hover);transition:transform .3s ease-out;z-index:2000}
.toast.show{transform:translateX(-50%) translateY(0)}

.bar-chart{display:flex;align-items:flex-end;gap:14px;height:160px;padding:10px 4px}
.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}
.bar{width:70%;max-width:44px;background:linear-gradient(180deg,var(--mint),var(--mint-deep));border-radius:8px 8px 0 0;min-height:4px;transition:var(--transition)}
.bar:hover{filter:brightness(1.08)}
.bar-label{font-size:12px;color:var(--ink-light)}
.bar-val{font-size:13px;font-weight:700;color:var(--ink)}

.list-row{display:flex;justify-content:space-between;align-items:center;padding:10px 4px;border-bottom:1px solid var(--border);font-size:14px;gap:10px}
.list-row:last-child{border-bottom:none}
.muted{color:var(--ink-light);font-size:13px}

@media(max-width:860px){
  .admin-layout{flex-direction:column}
  .sidebar{width:100%;height:auto;position:static;flex-direction:row;flex-wrap:wrap;padding:12px}
  .sidebar .brand{width:100%;border:none;padding-bottom:6px;margin-bottom:6px}
  .side-link{width:auto;margin-bottom:0}
  .side-foot{width:100%;margin-top:8px}
  .main{padding:18px}
}