:root{
  --bg:#f6f7fb; --card:#fff; --ink:#1f2330; --muted:#8a90a2; --line:#e7e9f0;
  --brand:#6c5ce7; --brand-soft:#efeaff; --shadow:0 6px 24px rgba(30,32,60,.08);
  --want:#f0a23b; --reading:#3b9df0; --done:#27ae60; --danger:#e74c5b;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"PingFang SC","Microsoft YaHei",Segoe UI,Roboto,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.5}
.hidden{display:none!important}
.btn{border:none;border-radius:10px;padding:9px 16px;font-size:14px;cursor:pointer;font-weight:600;transition:.15s}
.btn.primary{background:var(--brand);color:#fff}
.btn.primary:hover{filter:brightness(1.06)}
.btn.ghost{background:#eef0f6;color:var(--ink)}
.btn.ghost:hover{background:#e3e6f0}
.btn.ghost.danger{color:var(--danger)}
.input{border:1px solid var(--line);border-radius:10px;padding:9px 12px;font-size:14px;background:#fff;outline:none}
.input:focus{border-color:var(--brand)}

/* ---------- 登录 ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(120deg,#6c5ce7,#8e7bff);padding:20px}
.login-card{background:#fff;border-radius:18px;box-shadow:0 20px 60px rgba(20,22,50,.25);
  width:min(380px,100%);padding:38px 34px;text-align:center}
.login-logo{font-size:46px;line-height:1}
.login-card h1{margin:14px 0 4px;font-size:22px}
.login-sub{margin:0 0 22px;color:var(--muted);font-size:13px}
.login-form{display:flex;flex-direction:column;gap:12px}
.login-input{border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:15px;outline:none}
.login-input:focus{border-color:var(--brand)}
.login-btn{background:var(--brand);color:#fff;border:none;border-radius:10px;padding:12px;font-size:15px;
  font-weight:700;cursor:pointer;transition:.15s}
.login-btn:hover{filter:brightness(1.06)}
.login-err{color:var(--danger);font-size:13px;min-height:18px;margin:6px 0 0}
.login-back{display:inline-block;margin-top:18px;color:var(--muted);font-size:13px;text-decoration:none}
.login-back:hover{color:var(--brand)}

/* ---------- 控制台 ---------- */
.admin-top{display:flex;align-items:center;justify-content:space-between;padding:18px 28px;
  background:linear-gradient(120deg,#6c5ce7,#8e7bff);color:#fff;flex-wrap:wrap;gap:12px}
.admin-brand{display:flex;align-items:center;gap:14px}
.admin-brand .logo{font-size:32px}
.admin-top h1{margin:0;font-size:20px;font-weight:700}
.admin-top .sub{margin:2px 0 0;font-size:12px;opacity:.85}
.admin-actions{display:flex;gap:10px;flex-wrap:wrap}
.admin-top .btn.primary{background:#fff;color:var(--brand)}

.admin-toolbar{display:flex;gap:10px;flex-wrap:wrap;padding:18px 28px}
.search{flex:1;min-width:180px}

.table-wrap{margin:0 28px 40px;background:#fff;border-radius:14px;box-shadow:var(--shadow);
  overflow:auto;max-height:calc(100vh - 220px)}
.dt{width:100%;border-collapse:collapse;font-size:14px;min-width:920px}
.dt thead th{position:sticky;top:0;background:var(--brand-soft);color:var(--brand);
  text-align:left;padding:13px 14px;font-weight:700;white-space:nowrap;z-index:2;border-bottom:1px solid var(--line)}
.dt tbody td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
.dt tbody tr:hover{background:#fafaff}
.c-cover{width:64px}
.t-cover{width:42px;height:60px;object-fit:cover;border-radius:6px;background:#eef0f6;display:block}
.t-cover-ph{width:42px;height:60px;border-radius:6px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800}
.t-title{font-weight:700;max-width:240px}
.t-author,.t-cat,.t-date{color:#565b6b;white-space:nowrap}
.t-notes{max-width:220px;color:#565b6b;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.c-act{white-space:nowrap}

.inline-sel{border:1px solid var(--line);border-radius:8px;padding:5px 6px;font-size:13px;background:#fff;outline:none;cursor:pointer}
.inline-sel:focus{border-color:var(--brand)}
.mini{border:none;border-radius:8px;padding:6px 12px;font-size:13px;font-weight:600;cursor:pointer;margin-right:6px}
.mini.edit{background:var(--brand-soft);color:var(--brand)}
.mini.del{background:#fde8ea;color:var(--danger)}

/* ---------- 弹窗（复用主站风格） ---------- */
.modal{position:fixed;inset:0;background:rgba(20,22,40,.45);display:flex;align-items:center;
  justify-content:center;padding:20px;z-index:50}
.modal-card{background:#fff;border-radius:16px;width:min(620px,100%);max-height:90vh;overflow:auto;box-shadow:var(--shadow)}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--line)}
.modal-head h2{margin:0;font-size:18px}
.x{border:none;background:none;font-size:20px;cursor:pointer;color:var(--muted)}
.form{padding:18px 22px;display:flex;flex-direction:column;gap:14px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.row label,.form label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:#444}
.form input,.form select,.form textarea{border:1px solid var(--line);border-radius:9px;padding:9px 11px;font-size:14px;font-weight:400;outline:none;font-family:inherit}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--brand)}
.cover-block{border:1px dashed var(--line);border-radius:12px;padding:14px}
.cover-line{display:flex;gap:10px;align-items:flex-end}
.cover-line label{flex:1}
.cover-cands{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.cover-opt{width:62px;height:88px;object-fit:cover;border-radius:7px;border:2px solid transparent;cursor:pointer;background:#eef0f6}
.cover-opt.sel{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft)}
.cover-hint{font-size:13px;color:var(--muted);margin-top:8px}
.info-cands{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.info-opt{display:flex;gap:12px;border:1px solid var(--line);border-radius:10px;padding:9px;cursor:pointer;transition:.12s;background:#fff}
.info-opt:hover{border-color:var(--brand)}
.info-opt.sel{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft)}
.info-cover{width:44px;height:62px;object-fit:cover;border-radius:6px;background:#eef0f6;flex:none}
.info-meta{flex:1;min-width:0;font-size:12px;color:#565b6b}
.info-meta b{font-size:13px;color:var(--ink)}
.info-meta .au{color:var(--muted);margin-left:6px;font-size:12px}
.info-meta .cat{display:inline-block;background:var(--brand-soft);color:var(--brand);border-radius:999px;padding:1px 9px;font-size:11px;margin:4px 0;font-weight:600}
.info-meta p{margin:0;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:4px}

.toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%);background:#1f2330;color:#fff;
  padding:11px 20px;border-radius:10px;font-size:14px;box-shadow:var(--shadow);z-index:60}
.empty{text-align:center;color:var(--muted);padding:50px}

/* ---------- 后台扩展：标签页 / 用户管理 / 无权限 ---------- */
.whoami{color:#fff;font-size:13px;background:rgba(255,255,255,.16);padding:7px 14px;border-radius:999px}
.admin-tabs{display:flex;gap:6px;padding:16px 28px 0}
.atab{border:none;background:#fff;color:var(--muted);padding:10px 22px;font-size:14px;font-weight:700;
  border-radius:12px 12px 0 0;cursor:pointer;box-shadow:0 -3px 12px rgba(30,32,60,.05)}
.atab.on{color:var(--brand);background:var(--brand-soft)}
.users-toolbar{padding:16px 28px 0}
.sel-info{font-size:13px;color:var(--muted)}
.sel-info em{color:var(--danger);font-style:normal;font-weight:600}
.dt-users td,.dt-users th{white-space:nowrap}
.badge-me{background:var(--brand);color:#fff;font-size:11px;border-radius:999px;padding:1px 8px;margin-left:6px}
.pwd-muted{color:var(--muted);font-size:12px}
.pwd-text,.pwd-plain{font-family:ui-monospace,Consolas,monospace;font-size:13px;color:var(--ink);background:#f4f5fa;
  padding:3px 8px;border-radius:6px;margin-right:6px}
.mini.eye,.mini.reset{background:#eef0f6;color:var(--ink)}
.mini.eye:hover{background:#e3e6f0}
.mini:disabled{opacity:.4;cursor:not-allowed}
.denied-card{background:#fff;border-radius:18px;box-shadow:var(--shadow);width:min(420px,100%);
  padding:40px 34px;text-align:center;margin:auto}
.denied-card h1{font-size:20px;margin:12px 0 6px}
.denied-card p{color:var(--muted);font-size:14px}

@media(max-width:720px){
  .row{grid-template-columns:1fr}
  .admin-top,.admin-toolbar,.admin-tabs{padding:14px}
}