/* =========================================================
   SinoPrec Admin — Chinese management backend styles
   ========================================================= */
:root{
  --navy-900:#07182e; --navy-800:#0b2545; --navy-700:#13315c; --navy-600:#1d4e89; --navy-100:#e8eef6;
  --orange:#ff6b35; --orange-dark:#e85420; --orange-soft:#fff1ea;
  --ink:#1c2633; --muted:#5c6b7c; --line:#e3e8ef; --bg:#f4f7fb;
  --green:#15a05b; --green-bg:#e7f7ee; --red:#d23b3b; --red-bg:#fdecec;
  --radius:10px;
  --shadow:0 8px 24px rgba(11,37,69,.10);
  --sidebar-w:232px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Segoe UI",system-ui,"Microsoft YaHei","PingFang SC",sans-serif;background:var(--bg);color:var(--ink);font-size:14px}
a{color:var(--navy-600);text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,select,textarea{font-family:inherit;font-size:14px;color:var(--ink)}

/* ---------- Login ---------- */
.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,var(--navy-900),var(--navy-700));padding:20px}
.login-card{background:#fff;border-radius:16px;padding:38px 34px;width:100%;max-width:400px;box-shadow:0 24px 60px rgba(0,0,0,.3)}
.login-logo{display:flex;align-items:center;gap:12px;margin-bottom:6px;color:var(--navy-800);font-size:1.3rem;font-weight:800}
.login-mark{width:44px;height:44px;border-radius:10px;background:linear-gradient(135deg,var(--navy-700),var(--navy-600));color:#fff;display:grid;place-items:center;font-weight:900}
.login-sub{color:var(--muted);margin-bottom:22px;font-size:.9rem}
.login-hint{background:var(--orange-soft);border:1px dashed var(--orange);color:#9a3a08;border-radius:8px;padding:9px 12px;font-size:.82rem;margin-top:14px}
.login-err{color:var(--red);font-size:.86rem;margin-top:10px;min-height:18px}

/* ---------- Layout ---------- */
.admin-body{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-w);background:var(--navy-900);color:#c4d3e4;display:flex;flex-direction:column;position:fixed;inset-block:0;inset-inline-start:0}
.sidebar-head{padding:20px 18px;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:10px;color:#fff;font-weight:800}
.sidebar-head .mark{width:38px;height:38px;border-radius:9px;background:linear-gradient(135deg,var(--navy-700),var(--navy-600));display:grid;place-items:center;font-size:.95rem}
.sidebar-nav{padding:12px 10px;flex:1;overflow-y:auto}
.sidebar-nav button{
  display:flex;align-items:center;gap:11px;width:100%;text-align:start;padding:11px 13px;border-radius:8px;
  color:#c4d3e4;font-size:.93rem;font-weight:600;margin-bottom:3px;
}
.sidebar-nav button:hover{background:rgba(255,255,255,.07);color:#fff}
.sidebar-nav button.active{background:var(--orange);color:#fff}
.sidebar-nav .ic{width:18px;text-align:center}
.sidebar-foot{padding:14px 18px;border-top:1px solid rgba(255,255,255,.08);font-size:.82rem;color:#8fa4bd}
.sidebar-foot a{color:#ffb59a;display:block;margin-top:4px}

.main{flex:1;margin-inline-start:var(--sidebar-w);min-width:0}
.topbar{background:#fff;border-bottom:1px solid var(--line);padding:14px 26px;display:flex;align-items:center;justify-content:space-between;gap:14px;position:sticky;top:0;z-index:20}
.topbar h1{font-size:1.15rem;color:var(--navy-800)}
.topbar .actions{display:flex;gap:10px;align-items:center}
.content{padding:26px}

/* ---------- Buttons / fields ---------- */
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:8px;font-weight:700;font-size:.9rem;transition:.15s;white-space:nowrap}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-dark)}
.btn-navy{background:var(--navy-800);color:#fff}
.btn-navy:hover{background:var(--navy-600)}
.btn-light{background:#fff;border:1.5px solid var(--line);color:var(--navy-800)}
.btn-light:hover{border-color:var(--orange);color:var(--orange)}
.btn-danger{background:var(--red-bg);color:var(--red)}
.btn-danger:hover{background:var(--red);color:#fff}
.btn-sm{padding:6px 12px;font-size:.82rem}
.btn-block{width:100%;justify-content:center}

.field{margin-bottom:13px}
.field label{display:block;font-weight:700;font-size:.84rem;color:var(--navy-800);margin-bottom:5px}
.field input,.field select,.field textarea{
  width:100%;padding:9px 12px;border:1.5px solid var(--line);border-radius:8px;background:#fbfcfe;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--navy-600);background:#fff;box-shadow:0 0 0 3px rgba(29,78,137,.1)}
.field textarea{resize:vertical;min-height:72px}
.field .hint{font-size:.78rem;color:var(--muted);margin-top:4px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.lang-tabs{display:flex;gap:4px;margin-bottom:8px;background:var(--bg);padding:4px;border-radius:8px}
.lang-tabs button{flex:1;padding:6px;border-radius:6px;font-size:.82rem;font-weight:700;color:var(--muted)}
.lang-tabs button.active{background:#fff;color:var(--navy-800);box-shadow:0 1px 4px rgba(0,0,0,.08)}
.lang-pane{display:none}.lang-pane.active{display:block}
.checkline{display:flex;align-items:center;gap:8px;font-size:.9rem;margin:6px 0 12px}
.checkline input{width:16px;height:16px}

/* ---------- Stat cards ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:24px}
.stat-card{background:#fff;border-radius:12px;padding:20px;box-shadow:0 2px 10px rgba(11,37,69,.05);border:1px solid var(--line)}
.stat-card .n{font-size:1.9rem;font-weight:900;color:var(--navy-800);line-height:1.1}
.stat-card .n.orange{color:var(--orange)}
.stat-card .l{color:var(--muted);font-size:.88rem;margin-top:4px}
.panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:20px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.panel-head h2{font-size:1.05rem;color:var(--navy-800)}

/* ---------- Table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px}
table{width:100%;border-collapse:collapse;background:#fff;min-width:760px}
th,td{padding:11px 14px;text-align:start;border-bottom:1px solid var(--line);font-size:.88rem;vertical-align:middle}
th{background:var(--navy-100);color:var(--navy-800);font-weight:800;white-space:nowrap}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fafcfe}
.thumb{width:54px;height:40px;object-fit:cover;border-radius:6px;background:linear-gradient(135deg,var(--navy-700),var(--navy-600))}
.badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:.75rem;font-weight:700}
.badge-green{background:var(--green-bg);color:var(--green)}
.badge-gray{background:#eef1f5;color:#56627a}
.badge-orange{background:var(--orange-soft);color:var(--orange-dark)}
.badge-red{background:var(--red-bg);color:var(--red)}
.row-actions{display:flex;gap:6px;white-space:nowrap}
.muted{color:var(--muted)}
.searchbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.searchbar input{padding:9px 13px;border:1.5px solid var(--line);border-radius:8px;min-width:240px}

/* ---------- Modal ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(7,24,46,.55);z-index:100;display:none;align-items:flex-start;justify-content:center;padding:36px 16px;overflow-y:auto}
.modal-mask.open{display:flex}
.modal-box{background:#fff;border-radius:14px;width:100%;max-width:760px;box-shadow:0 24px 60px rgba(0,0,0,.3)}
.modal-head{padding:18px 24px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;background:#fff;border-radius:14px 14px 0 0}
.modal-head h3{color:var(--navy-800);font-size:1.1rem}
.modal-close{font-size:1.5rem;color:var(--muted);line-height:1;padding:2px 6px}
.modal-close:hover{color:var(--orange)}
.modal-body{padding:22px 24px;max-height:70vh;overflow-y:auto}
.modal-foot{padding:16px 24px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px;position:sticky;bottom:0;background:#fff;border-radius:0 0 14px 14px}

/* ---------- Inquiry detail ---------- */
.inq-card{border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:12px;background:#fff}
.inq-card.unread{border-inline-start:4px solid var(--orange)}
.inq-head{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.inq-head b{color:var(--navy-800)}
.inq-meta{display:grid;grid-template-columns:1fr 1fr;gap:4px 18px;font-size:.86rem;color:var(--muted);margin-bottom:8px}
.inq-msg{background:var(--bg);border-radius:8px;padding:10px 13px;font-size:.9rem;white-space:pre-wrap;word-break:break-word}
.att-link{display:inline-block;margin:6px 6px 0 0;font-size:.82rem}

/* ---------- Toast ---------- */
.toast{
  position:fixed;inset-block-start:18px;inset-inline-end:18px;z-index:300;background:var(--navy-800);color:#fff;
  padding:13px 20px;border-radius:10px;box-shadow:var(--shadow);transform:translateX(130%);transition:transform .3s;font-weight:600;
}
.toast.show{transform:none}
.toast.ok{background:var(--green)}
.toast.err{background:var(--red)}

.empty{text-align:center;color:var(--muted);padding:40px 0}

@media (max-width:900px){
  .stat-grid{grid-template-columns:1fr 1fr}
  .form-row{grid-template-columns:1fr}
  .sidebar{transform:translateX(-100%);transition:transform .25s;z-index:50}
  [dir="rtl"] .sidebar{transform:translateX(100%)}
  .sidebar.open{transform:none}
  .main{margin-inline-start:0}
  .menu-btn{display:inline-flex!important}
}
.menu-btn{display:none}