/* ============================================
   外包链接系统 - 管理后台 FT 风格
   复用简尹配色：米色 + 深蓝 + 衬线 + 红酒红
   ============================================ */
:root {
  --bg: #f5f0e8; --card: #fdfbf6; --bg-3: #ebe5d6; --bg-4: #faf7ed;
  --ink: #0a2540; --ink-2: #2c3e50; --ink-3: #6c7a89; --ink-4: #9aa6b1;
  --brand: #990000; --brand-hover: #b30000;
  --brand-soft: #fdf2f0; --brand-line: #e8c4bf;
  --line: #d4cdb8; --line-2: #e8e1cf; --line-3: #f0ead9;
  --gold: #c9a961; --green: #2d6a3e; --green-soft: #f0f7e8; --green-line: #b6d99a;
  --serif: 'Source Serif Pro', 'Songti SC', 'STSong', 'Noto Serif CJK SC', Georgia, 'Times New Roman', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'SF Mono', 'Cascadia Code', 'JetBrains Mono', 'Roboto Mono', Consolas, 'Courier New', monospace;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 14px; line-height: 1.6; }
a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--brand); }
code { font-family: var(--mono); font-size: 12px; background: var(--bg-3); padding: 1px 5px; }

/* ============ 登录 ============ */
.login-wrap { background: var(--bg); min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 24px; position: relative; }
.login-top { position: absolute; top: 0; left: 0; right: 0; padding: 14px 32px; font-family: var(--mono); font-size: 12px; color: var(--ink-3); letter-spacing: 1px; display: flex; justify-content: space-between; border-bottom: 1px solid var(--line-3); background: var(--card); }
.login-top .lt-brand { color: var(--brand); font-weight: 600; }
.login-top .lt-clock { color: var(--ink-2); }

.login-box { background: var(--card); border: 1px solid var(--line); width: 420px; max-width: 100%; animation: loginIn 0.6s cubic-bezier(.2,.7,.3,1) both; }
@keyframes loginIn { from { opacity: 0; transform: translateY(20px) scale(0.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
.lb-brand { padding: 40px 40px 24px; border-bottom: 1px solid var(--line-3); text-align: center; }
.lb-logo { font-family: var(--serif); font-size: 38px; font-weight: 700; color: var(--ink); letter-spacing: 2px; }
.lb-logo span { color: var(--brand); }
.lb-sub { font-family: var(--mono); font-size: 10px; color: var(--brand); letter-spacing: 4px; text-transform: uppercase; margin-top: 6px; font-weight: 600; }
.lb-title { font-family: var(--serif); font-size: 15px; color: var(--ink-2); margin-top: 20px; font-weight: 600; }
.lb-form { padding: 32px 40px 40px; }

.lb-field { margin-bottom: 20px; position: relative; }
.lb-field label { display: block; font-size: 11px; color: var(--ink-2); margin-bottom: 8px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; }
.lb-input-wrap { position: relative; display: flex; align-items: center; border: 1px solid var(--line); background: #fff; transition: border-color .2s, box-shadow .2s; }
.lb-input-wrap.focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(153,0,0,0.08); }
.lb-input-wrap.error { border-color: var(--brand); background: var(--brand-soft); animation: shake 0.4s; }
@keyframes shake { 0%,100%{transform:translateX(0);} 20%,60%{transform:translateX(-6px);} 40%,80%{transform:translateX(6px);} }
.lb-input-wrap .lb-icon { padding: 0 14px; color: var(--ink-4); font-size: 14px; user-select: none; border-right: 1px solid var(--line-3); align-self: stretch; display: flex; align-items: center; transition: all .2s; }
.lb-input-wrap.focus .lb-icon { color: var(--brand); border-color: var(--brand-line); }
.lb-input-wrap input { flex: 1; border: none; outline: none; padding: 14px 14px; font-size: 14px; font-family: inherit; background: transparent; color: var(--ink); }
.lb-input-wrap input::placeholder { color: var(--ink-4); }
.lb-eye { padding: 0 14px; background: none; border: none; color: var(--ink-3); cursor: pointer; font-size: 14px; }
.lb-eye:hover { color: var(--brand); }
.lb-hint { position: absolute; right: -8px; top: -32px; background: var(--ink); color: #fff; font-size: 11px; padding: 4px 10px; border-radius: 4px; white-space: nowrap; opacity: 0; transform: translateY(4px); transition: all .2s; pointer-events: none; }
.lb-hint::after { content: ''; position: absolute; bottom: -4px; right: 24px; width: 0; height: 0; border: 4px solid transparent; border-top-color: var(--ink); }
.lb-input-wrap.focus .lb-hint { opacity: 1; transform: translateY(0); }

.lb-extra { display: flex; justify-content: space-between; align-items: center; font-size: 12px; margin-bottom: 24px; }
.lb-remember { color: var(--ink-2); display: flex; align-items: center; gap: 6px; cursor: pointer; user-select: none; }
.lb-remember input { margin: 0; cursor: pointer; }

.lb-btn { width: 100%; padding: 14px; background: var(--brand); color: #fff; border: 1px solid var(--brand); font-family: var(--serif); font-size: 15px; font-weight: 700; letter-spacing: 6px; cursor: pointer; transition: all .2s; display: flex; align-items: center; justify-content: center; gap: 10px; }
.lb-btn:hover:not(:disabled) { background: var(--brand-hover); border-color: var(--brand-hover); }
.lb-btn:disabled { cursor: not-allowed; opacity: 0.85; }
.lb-btn.success { background: var(--green); border-color: var(--green); }
.lb-btn .lb-spinner { display: none; width: 14px; height: 14px; border: 2px solid rgba(255,255,255,0.3); border-top-color: #fff; border-radius: 50%; animation: spin 0.7s linear infinite; }
.lb-btn.loading .lb-spinner { display: inline-block; }
.lb-btn.loading .lb-text { opacity: 0.7; }
@keyframes spin { to { transform: rotate(360deg); } }

.lb-err { background: var(--brand-soft); border-left: 3px solid var(--brand); padding: 10px 14px; font-size: 12px; color: var(--brand); margin-bottom: 20px; display: none; font-weight: 600; }
.lb-err::before { content: '⚠ '; }
.lb-err.show { display: block; }

.lb-foot { text-align: center; font-size: 11px; color: var(--ink-3); margin-top: 20px; letter-spacing: 0.5px; }

/* ============ 布局 ============ */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar { width: 220px; background: #0a2540; color: #fdfbf6; position: fixed; height: 100vh; overflow-y: auto; font-family: var(--serif); }
.admin-sidebar .logo { padding: 28px 20px 4px; font-size: 24px; font-weight: 700; text-align: center; letter-spacing: 2px; }
.admin-sidebar .logo span { color: var(--brand); }
.admin-sidebar .logo-sub { text-align: center; font-size: 9px; letter-spacing: 3px; color: var(--brand); padding-bottom: 24px; border-bottom: 1px solid #1a3556; text-transform: uppercase; }
.admin-menu { list-style: none; padding: 16px 0; margin: 0; }
.admin-menu li { padding: 0; }
.admin-menu li a { display: block; padding: 14px 22px; color: rgba(253,251,246,0.65); font-size: 14px; border-left: 3px solid transparent; transition: all .2s; cursor: pointer; }
.admin-menu li:hover a { background: #14365e; color: #fdfbf6; }
.admin-menu li.active a { background: #14365e; color: #fdfbf6; border-left-color: var(--brand); font-weight: 600; }

.admin-main { margin-left: 220px; flex: 1; display: flex; flex-direction: column; min-height: 100vh; }
.admin-topbar { background: var(--card); padding: 0 32px; height: 60px; display: flex; align-items: center; justify-content: space-between; border-bottom: 2px solid var(--ink); position: sticky; top: 0; z-index: 10; }
.admin-topbar .admin-info { font-family: var(--serif); font-size: 15px; color: var(--ink); font-weight: 600; }
.logout-link { color: var(--brand); cursor: pointer; font-size: 13px; font-weight: 600; margin-left: 16px; }
.live-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: #ccc; margin-right: 6px; }
.live-dot.on { background: var(--green); box-shadow: 0 0 0 3px var(--green-soft); animation: livePulse 2s infinite; }
.live-dot.off { background: var(--ink-4); }
@keyframes livePulse { 0%,100%{transform:scale(1);} 50%{transform:scale(1.2);} }
.live-text { font-size: 12px; color: var(--ink-3); font-family: var(--mono); }

.admin-content { padding: 32px; flex: 1; }

/* ============ 页面标题 ============ */
.page { display: none; }
.page.active { display: block; animation: fadeIn 0.3s; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.page-header { margin-bottom: 24px; padding-bottom: 14px; border-bottom: 2px solid var(--ink); display: flex; justify-content: space-between; align-items: baseline; }
.page-header h2 { font-family: var(--serif); font-size: 26px; color: var(--ink); margin: 0; font-weight: 700; }
.page-desc { font-size: 13px; color: var(--ink-3); margin: 0 0 24px; line-height: 1.7; }

/* ============ 统计卡 ============ */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-bottom: 32px; }
.stat-card { background: var(--card); padding: 24px 20px; }
.stat-num { font-family: var(--mono); font-size: 36px; font-weight: 700; color: var(--ink); line-height: 1.1; }
.stat-label { font-size: 11px; color: var(--ink-3); margin-top: 10px; letter-spacing: 1.5px; text-transform: uppercase; }

/* ============ 看板双卡 ============ */
.dashboard-row { display: grid; grid-template-columns: 1.5fr 1fr; gap: 16px; }
.dash-card { background: var(--card); border: 1px solid var(--line); padding: 24px; }
.dash-card h3 { font-family: var(--serif); font-size: 15px; margin: 0 0 18px; padding-bottom: 10px; border-bottom: 1px solid var(--line-2); color: var(--ink); font-weight: 700; }
.trend-chart { height: 200px; padding: 10px 0; }
.trend-bars { display: flex; align-items: flex-end; justify-content: space-around; height: 100%; gap: 8px; }
.trend-bar { flex: 1; background: var(--brand); position: relative; min-height: 4px; max-width: 60px; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; transition: all 0.5s; }
.trend-bar:hover { background: var(--brand-hover); }
.tb-num { position: absolute; top: -22px; left: 50%; transform: translateX(-50%); font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--ink); }
.tb-date { position: absolute; bottom: -22px; left: 50%; transform: translateX(-50%); font-size: 10px; color: var(--ink-3); white-space: nowrap; }
.empty-mini { text-align: center; color: var(--ink-3); padding: 40px 0; font-size: 13px; }

.top-list { display: flex; flex-direction: column; gap: 12px; }
.top-item { display: grid; grid-template-columns: 1fr 100px 40px; gap: 10px; align-items: center; cursor: pointer; padding: 6px 0; }
.top-item:hover .ti-name { color: var(--brand); }
.ti-name { font-size: 13px; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; transition: color .2s; }
.ti-code { font-family: var(--mono); font-size: 11px; color: var(--ink-3); margin-left: 6px; }
.ti-bar { background: var(--bg-3); height: 6px; overflow: hidden; }
.ti-fill { background: var(--brand); height: 100%; transition: width 0.5s; }
.ti-num { font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--ink); text-align: right; }

/* ============ Logo 预览 ============ */
.logo-preview { width: 120px; height: 120px; border: 1px dashed var(--line); background: var(--bg-4); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.logo-preview img { max-width: 100%; max-height: 100%; object-fit: contain; }
.upload-zone { border: 2px dashed var(--line); background: var(--bg-4); padding: 24px; text-align: center; cursor: pointer; transition: all .2s; position: relative; }
.upload-zone:hover, .upload-zone.dragover { border-color: var(--brand); background: var(--brand-soft); }
.upload-zone .uz-icon { font-size: 32px; margin-bottom: 6px; opacity: 0.6; }
.upload-zone .uz-text { font-size: 13px; color: var(--ink-2); font-weight: 600; }
.upload-zone .uz-hint { font-size: 11px; color: var(--ink-3); margin-top: 4px; }
.upload-zone .uz-input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.url-or { text-align: center; color: var(--ink-3); font-size: 10px; margin: 8px 0; letter-spacing: 2px; position: relative; }
.url-or::before, .url-or::after { content: ''; position: absolute; top: 50%; width: 40%; height: 1px; background: var(--line-2); }
.url-or::before { left: 0; }
.url-or::after { right: 0; }

/* ============ 工具栏 ============ */
.toolbar { display: flex; align-items: center; gap: 10px; padding: 12px 16px; background: var(--card); border: 1px solid var(--line); margin-bottom: 16px; flex-wrap: wrap; }
.toolbar select, .toolbar input.toolbar-search { padding: 7px 10px; border: 1px solid var(--line); background: #fff; font-size: 13px; }
.toolbar input.toolbar-search { flex: 1; max-width: 280px; }
.toolbar select:focus, .toolbar input:focus { border-color: var(--brand); outline: none; }
.checkbox-mini { display: flex; align-items: center; gap: 4px; font-size: 12px; color: var(--ink-2); cursor: pointer; }
.checkbox-mini input { margin: 0; cursor: pointer; }

.btn { display: inline-flex; align-items: center; gap: 4px; padding: 8px 16px; background: var(--card); color: var(--ink); border: 1px solid var(--line); font-size: 13px; font-weight: 600; cursor: pointer; font-family: inherit; transition: all .2s; }
.btn:hover { border-color: var(--brand); color: var(--brand); }
.btn-primary { background: var(--brand); color: #fff; border-color: var(--brand); }
.btn-primary:hover { background: var(--brand-hover); border-color: var(--brand-hover); color: #fff; }
.btn-danger { color: var(--brand); border-color: var(--brand-line); }
.btn-danger:hover { background: var(--brand-soft); }
.btn-link { background: transparent; border-color: var(--line); }
.btn-link:hover { background: var(--bg-3); color: var(--ink); border-color: var(--ink-4); }
.btn-small { padding: 5px 12px; font-size: 12px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ============ 链接卡片 ============ */
.link-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 14px; }
.link-card { background: var(--card); border: 1px solid var(--line); padding: 18px 20px; transition: all .2s; }
.link-card:hover { border-color: var(--brand); box-shadow: 0 4px 12px rgba(0,0,0,0.05); }
.lc-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 10px; }
.lc-name { font-size: 15px; font-weight: 700; color: var(--ink); margin-bottom: 4px; }
.lc-meta { font-size: 11px; color: var(--ink-3); }
.lc-meta b { color: var(--ink-2); }
.lc-url { background: var(--bg-4); border: 1px solid var(--line-2); padding: 8px 10px; font-family: var(--mono); font-size: 12px; color: var(--brand); word-break: break-all; margin-bottom: 12px; cursor: pointer; }
.lc-url:hover { background: var(--brand-soft); }
.lc-actions { display: flex; gap: 6px; flex-wrap: wrap; }

.link-status { display: inline-block; padding: 2px 10px; font-size: 11px; font-weight: 600; }
.link-status.active { background: var(--green-soft); color: var(--green); border: 1px solid var(--green-line); }
.link-status.expired { background: var(--brand-soft); color: var(--brand); border: 1px solid var(--brand-line); }
.link-status.inactive { background: var(--bg-3); color: var(--ink-3); border: 1px solid var(--line); }

/* ============ 表格 ============ */
.admin-table { width: 100%; background: var(--card); border-collapse: collapse; border: 1px solid var(--line); font-size: 13px; }
.admin-table th, .admin-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--line-3); }
.admin-table th { background: var(--bg); font-family: var(--serif); font-weight: 700; color: var(--ink); font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase; }
.admin-table tr:hover td { background: var(--bg-4); }
.text-center { text-align: center; }

.rec-stat { background: var(--bg-3); border-left: 3px solid var(--brand); padding: 10px 16px; font-size: 13px; color: var(--ink-2); margin-bottom: 12px; }
.rec-stat b { color: var(--brand); font-family: var(--mono); font-size: 16px; }

.pager { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 18px 0; }
.pager button { padding: 6px 14px; border: 1px solid var(--line); background: var(--card); cursor: pointer; font-size: 13px; font-family: inherit; }
.pager button:hover:not(:disabled) { border-color: var(--brand); color: var(--brand); }
.pager button:disabled { color: var(--ink-4); cursor: not-allowed; }
.pager span { padding: 0 12px; color: var(--ink-3); font-size: 13px; }

.empty { text-align: center; color: var(--ink-3); padding: 60px 0; font-size: 14px; background: var(--card); border: 1px solid var(--line); }
.empty-icon { font-size: 48px; margin-bottom: 12px; opacity: 0.4; }

/* ============ 表单 ============ */
.form-card { background: var(--card); border: 1px solid var(--line); padding: 28px; margin-bottom: 16px; }
.form-card h3 { font-family: var(--serif); font-size: 18px; margin: 0 0 16px; padding-bottom: 12px; border-bottom: 1px solid var(--line); color: var(--ink); font-weight: 700; }
.form-row { display: flex; gap: 16px; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 200px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 12px; color: var(--ink-2); margin-bottom: 6px; font-weight: 700; letter-spacing: 0.5px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--line); background: #fff; font-size: 14px; font-family: inherit; outline: none; color: var(--ink); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--brand); }

/* Logo 上传 */
.logo-upload { border: 2px dashed var(--line); background: var(--bg-4); padding: 16px; position: relative; transition: all .2s; }
.logo-upload:hover, .logo-upload.dragover { border-color: var(--brand); background: var(--brand-soft); }
.lu-empty { text-align: center; padding: 18px 12px; cursor: pointer; }
.lu-icon { font-size: 32px; opacity: 0.6; }
.lu-text { font-size: 13px; color: var(--ink-2); font-weight: 600; margin-top: 6px; }
.lu-hint { font-size: 11px; color: var(--ink-3); margin-top: 4px; }
.lu-input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.lu-preview { position: relative; display: flex; justify-content: center; padding: 12px; background: #fff; }
.lu-preview img { max-width: 200px; max-height: 120px; object-fit: contain; border: 1px solid var(--line-2); }
.lu-remove { position: absolute; top: -8px; right: -8px; width: 26px; height: 26px; border-radius: 50%; background: var(--brand); color: #fff; border: 2px solid #fff; cursor: pointer; font-size: 18px; line-height: 1; padding: 0; }
.lu-remove:hover { background: var(--brand-hover); }
.lu-progress { margin-top: 12px; }
.lu-bar { height: 3px; background: var(--line); overflow: hidden; }
.lu-bar-fill { height: 100%; background: var(--brand); width: 0; transition: width .3s; }
.lu-status { font-size: 11px; color: var(--ink-2); margin-top: 4px; text-align: center; }
.lu-url-row { display: flex; align-items: center; gap: 10px; margin-top: 10px; }
.lu-url-row .lu-or { font-size: 11px; color: var(--ink-3); }
.lu-url-row input { flex: 1; }

/* ============ 二维码弹窗 ============ */
.modal-mask { position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 9999; display: none; align-items: center; justify-content: center; padding: 20px; }
.modal-mask.show { display: flex; }
.modal-content { background: var(--card); max-width: 90%; }
.modal-qr { padding: 24px; width: 360px; }
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.modal-head h3 { font-family: var(--serif); font-size: 18px; margin: 0; color: var(--ink); font-weight: 700; }
.modal-head button { background: none; border: none; font-size: 24px; color: var(--ink-3); cursor: pointer; }
.modal-head button:hover { color: var(--brand); }
.qr-canvas { display: flex; justify-content: center; padding: 12px; background: var(--bg-4); border: 1px solid var(--line-2); }
.qr-canvas canvas { display: block; }
.qr-info { text-align: center; margin-top: 12px; font-size: 13px; color: var(--ink-2); line-height: 1.6; }
.qr-info b { color: var(--ink); }
.qr-actions { display: flex; gap: 8px; margin-top: 16px; }
.qr-actions .btn { flex: 1; justify-content: center; }

/* ============ 消息吐司 ============ */
.toast { position: fixed; top: 24px; right: 24px; z-index: 99999; padding: 12px 20px; background: var(--ink); color: #fff; font-size: 13px; font-weight: 600; box-shadow: 0 4px 12px rgba(0,0,0,.2); border-left: 3px solid var(--brand); display: none; max-width: 360px; }
.toast.err { background: var(--brand); }
.toast.show { display: block; animation: slideIn 0.3s; }
@keyframes slideIn { from { transform: translateX(100%); } to { transform: translateX(0); } }

/* ============ 响应式 ============ */
@media (max-width: 900px) {
  .admin-sidebar { width: 180px; }
  .admin-main { margin-left: 180px; }
  .admin-content { padding: 20px; }
  .dashboard-row { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .admin-sidebar { position: relative; width: 100%; height: auto; }
  .admin-main { margin-left: 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { flex-direction: column; }
  .login-box { width: 100%; }
  .lb-brand, .lb-form { padding-left: 24px; padding-right: 24px; }
}