/* ============================================================
   admin.css — 北美情报站后台样式
   深色 + 青绿主题（与 K 线图表颜色统一）
   ============================================================ */

:root {
  --green:         #26a69a;
  --green-dark:    #1d8a80;
  --green-light:   rgba(38,166,154,.08);
  --green-mid:     rgba(38,166,154,.18);
  --bg-body:       #0d1117;
  --bg-surface:    #161b22;
  --bg-card:       #1c2128;
  --bg-hover:      #21262d;
  --border:        #30363d;
  --border-light:  #21262d;
  --text-primary:  #e6edf3;
  --text-secondary:#e6edf3;
  --text-muted:    #e6edf3;
  --success:       #3fb950;
  --success-bg:    rgba(63,185,80,.1);
  --success-border:rgba(63,185,80,.25);
  --warning:       #f0c070;
  --warning-bg:    rgba(240,192,112,.1);
  --danger:        #f85149;
  --danger-bg:     rgba(248,81,73,.1);
  --danger-border: rgba(248,81,73,.25);
  --shadow-sm:     0 1px 4px rgba(0,0,0,.4);
  --radius:        8px;
  --radius-sm:     6px;
  --sidebar-w:     220px;
  --topbar-h:      56px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg-body);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 14px; line-height: 1.6;
}
a { color: var(--green); text-decoration: none; }
a:hover { color: var(--green-dark); }

/* ============================================================
   Layout
   ============================================================ */
.admin-wrap { display: flex; min-height: 100vh; }

.admin-sidebar {
  width: var(--sidebar-w); background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; height: 100vh;
  overflow-y: auto; z-index: 100;
}

.sidebar-logo {
  display: flex; align-items: center; gap: 10px;
  padding: 16px 18px; border-bottom: 1px solid var(--border);
  font-size: 14px; font-weight: 700; color: var(--text-primary);
  text-decoration: none;
}
.sidebar-logo:hover { color: var(--text-primary); text-decoration: none; }
.logo-icon-sq {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; background: var(--green);
  color: #fff; border-radius: 6px; font-size: 15px; flex-shrink: 0;
}
.sidebar-logo-sub { font-size: 10px; font-weight: 400; color: var(--text-muted); display: block; }

.sidebar-nav { flex: 1; padding: 10px 0; }
.nav-section-label {
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .08em; color: var(--text-muted); padding: 10px 18px 4px;
}
.sidebar-nav-item {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 18px; font-size: 13px; color: var(--text-secondary);
  transition: background .12s, color .12s;
  border-left: 2px solid transparent; text-decoration: none;
}
.sidebar-nav-item i { width: 16px; text-align: center; font-size: 14px; color: var(--text-muted); }
.sidebar-nav-item:hover {
  background: var(--green-light); color: var(--green); text-decoration: none;
}
.sidebar-nav-item:hover i { color: var(--green); }
.sidebar-nav-item.active {
  background: var(--green-light); color: var(--green);
  border-left-color: var(--green); font-weight: 600;
}
.sidebar-nav-item.active i { color: var(--green); }

.sidebar-footer {
  padding: 14px 18px; border-top: 1px solid var(--border); font-size: 13px;
}
.sidebar-user { font-weight: 600; color: var(--text-primary); margin-bottom: 3px; }
.sidebar-role {
  display: inline-block; font-size: 10px; padding: 1px 7px;
  background: var(--green-light); color: var(--green);
  border-radius: 10px; margin-bottom: 8px;
}
.sidebar-logout { display: block; font-size: 12px; color: var(--text-muted); transition: color .15s; }
.sidebar-logout:hover { color: var(--danger); }

.admin-main {
  margin-left: var(--sidebar-w); flex: 1;
  display: flex; flex-direction: column; min-height: 100vh;
}
.admin-topbar {
  height: var(--topbar-h); background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 24px; gap: 12px;
  position: sticky; top: 0; z-index: 90;
}
.topbar-title { font-size: 15px; font-weight: 700; color: var(--text-primary); flex: 1; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.admin-content { flex: 1; padding: 22px 24px; max-width: 1800px; }

/* ============================================================
   Page Header
   ============================================================ */
.page-header {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px;
}
.page-header h1 { font-size: 18px; font-weight: 700; color: var(--text-primary); }

/* ============================================================
   Alerts
   ============================================================ */
.alert {
  padding: 10px 14px; border-radius: var(--radius-sm);
  font-size: 13px; margin-bottom: 16px; border: 1px solid;
  display: flex; align-items: center; gap: 8px;
}
.alert-success { background: var(--success-bg); border-color: var(--success-border); color: var(--success); }
.alert-error   { background: var(--danger-bg);  border-color: var(--danger-border);  color: var(--danger); }

/* ============================================================
   Cards
   ============================================================ */
.section-card {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-bottom: 18px;
}
.section-title {
  font-size: 14px; font-weight: 700; color: var(--text-primary);
  margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--border-light);
}

/* Stat cards */
.stat-cards {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px; margin-bottom: 20px;
}
.stat-card {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px;
  display: flex; align-items: flex-start; gap: 12px;
  transition: border-color .15s, box-shadow .15s;
}
.stat-card:hover {
  border-color: var(--green);
  box-shadow: 0 0 0 1px rgba(38,166,154,.2);
}
.stat-icon-wrap {
  display: flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; background: var(--green-light);
  border-radius: var(--radius-sm); font-size: 20px; color: var(--green); flex-shrink: 0;
}
.stat-body { flex: 1; min-width: 0; }
.stat-value { font-size: 28px; font-weight: 800; color: var(--text-primary); line-height: 1.1; }
.stat-label { font-size: 12.5px; color: var(--text-muted); margin-top: 4px; }
.stat-sub { font-size: 11.5px; color: var(--text-secondary); margin-top: 2px; }

.two-col-layout {
  display: grid; grid-template-columns: 340px 1fr; gap: 18px; align-items: start;
}

/* ============================================================
   Table
   ============================================================ */
.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-table thead tr { border-bottom: 1px solid var(--border); }
.admin-table th {
  padding: 9px 12px; text-align: left; font-size: 11px; font-weight: 700;
  color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em;
  white-space: nowrap; background: var(--bg-card);
}
.admin-table th:first-child { border-radius: var(--radius-sm) 0 0 0; }
.admin-table th:last-child  { border-radius: 0 var(--radius-sm) 0 0; }
.admin-table td {
  padding: 10px 12px; color: var(--text-primary);
  border-bottom: 1px solid var(--border-light); vertical-align: middle;
}
.admin-table tbody tr:hover td { background: var(--green-light); }
.admin-table tbody tr:last-child td { border-bottom: none; }
.admin-table a { color: var(--text-primary); }
.admin-table a:hover { color: var(--green); }
.td-id    { color: var(--text-muted); font-size: 11.5px; width: 44px; }
.td-time  { color: var(--text-muted); white-space: nowrap; font-size: 12px; }
.td-title { max-width: 260px; font-weight: 500; }
.td-actions { white-space: nowrap; }
.td-empty { text-align: center; color: var(--text-muted); padding: 36px !important; font-size: 13px; }

/* ============================================================
   Badges
   ============================================================ */
.status-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 9px; border-radius: 12px; font-size: 11px; font-weight: 600;
}
.status-published {
  background: var(--success-bg); color: var(--success); border: 1px solid var(--success-border);
}
.status-draft {
  background: var(--warning-bg); color: var(--warning); border: 1px solid rgba(240,192,112,.25);
}
.badge-featured {
  display: inline-flex; align-items: center; gap: 2px;
  background: rgba(240,192,112,.1); color: #f0c070;
  font-size: 10.5px; border-radius: 3px; padding: 1px 6px; margin-left: 4px;
  border: 1px solid rgba(240,192,112,.2);
}
.role-admin  { background: var(--green-light); color: var(--green); border: 1px solid rgba(38,166,154,.2); }
.role-editor { background: var(--bg-card); color: var(--text-secondary); border: 1px solid var(--border); }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 5px;
  padding: 7px 14px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500;
  cursor: pointer; border: 1px solid var(--border);
  background: var(--bg-card); color: var(--text-primary);
  transition: all .15s; text-decoration: none; white-space: nowrap;
}
.btn:hover { border-color: var(--green); color: var(--green); background: var(--green-light); text-decoration: none; }
.btn-primary { background: var(--green); border-color: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-dark); border-color: var(--green-dark); color: #fff; }
.btn-danger { border-color: var(--danger-border); color: var(--danger); background: var(--danger-bg); }
.btn-danger:hover { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-lg { padding: 9px 20px; font-size: 14px; }
.btn-sm { padding: 3px 9px; font-size: 11.5px; border-radius: 4px; }
.btn-full { width: 100%; }

/* ============================================================
   Forms
   ============================================================ */
.form-group { margin-bottom: 16px; }
.form-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.form-group-lg { grid-column: span 2; }
.form-group-check { display: flex; align-items: flex-end; padding-bottom: 4px; }
label { display: block; font-size: 12.5px; font-weight: 600; color: var(--text-secondary); margin-bottom: 5px; }
.required { color: var(--danger); }

input[type="text"], input[type="number"], input[type="password"],
input[type="email"], textarea, select {
  width: 100%; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-primary);
  font-size: 13.5px; padding: 8px 11px; outline: none;
  transition: border-color .15s; font-family: inherit;
}
input::placeholder, textarea::placeholder { color: var(--text-muted); }
input:focus, textarea:focus, select:focus {
  border-color: var(--green); box-shadow: 0 0 0 2px rgba(38,166,154,.12);
}
textarea { resize: vertical; }
select {
  cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23484f58' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center; padding-right: 32px;
}
.form-hint { margin-top: 4px; font-size: 11.5px; color: var(--text-muted); }
.checkbox-label {
  display: flex !important; align-items: center; gap: 7px; cursor: pointer;
  font-size: 13px; color: var(--text-secondary) !important; margin: 0 !important;
}
.checkbox-label input[type="checkbox"] { width: 15px; height: 15px; accent-color: var(--green); cursor: pointer; }
.form-actions {
  display: flex; align-items: center; gap: 10px; margin-top: 6px;
  padding-top: 18px; border-top: 1px solid var(--border-light);
}

/* Quill */
#quillEditor { background: var(--bg-card); color: var(--text-primary); font-size: 15px; min-height: 380px; }
.ql-toolbar.ql-snow {
  background: var(--bg-hover); border: 1px solid var(--border) !important;
  border-bottom: none !important; border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.ql-container.ql-snow {
  border: 1px solid var(--border) !important; border-top: none !important;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}
.ql-toolbar .ql-stroke { stroke: var(--text-secondary) !important; }
.ql-toolbar .ql-fill  { fill:  var(--text-secondary) !important; }
.ql-toolbar .ql-picker-label { color: var(--text-secondary) !important; }
.ql-toolbar button:hover .ql-stroke,
.ql-toolbar button.ql-active .ql-stroke { stroke: var(--green) !important; }
.ql-toolbar button:hover .ql-fill,
.ql-toolbar button.ql-active .ql-fill  { fill:  var(--green) !important; }
.ql-toolbar .ql-picker-options { background: var(--bg-card) !important; border-color: var(--border) !important; }

/* Pagination */
.pagination { display: flex; align-items: center; justify-content: center; gap: 6px; padding: 14px 0 4px; }
.page-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-card);
  color: var(--text-primary); font-size: 13.5px; transition: all .15s; text-decoration: none;
}
.page-btn:hover { border-color: var(--green); color: var(--green); background: var(--green-light); text-decoration: none; }
.page-info { font-size: 12px; color: var(--text-muted); padding: 0 8px; }

/* ============================================================
   Login Page
   ============================================================ */
.login-page {
  background: var(--bg-body);
  display: flex; align-items: center; justify-content: center; min-height: 100vh;
}
.login-wrap { width: 100%; max-width: 380px; padding: 20px; }
.login-card {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 36px 30px;
}
.login-logo {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  margin-bottom: 26px; text-align: center;
}
.login-logo-icon {
  width: 48px; height: 48px; background: var(--green); color: #fff;
  border-radius: 12px; font-size: 24px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(38,166,154,.4);
}
.login-logo-name { font-size: 17px; font-weight: 800; color: var(--text-primary); }
.login-logo-sub  { font-size: 12.5px; color: var(--text-muted); }
.login-error {
  background: var(--danger-bg); border: 1px solid var(--danger-border);
  color: var(--danger); border-radius: var(--radius-sm);
  padding: 9px 13px; font-size: 13px; margin-bottom: 16px;
  display: flex; align-items: center; gap: 6px;
}
.login-form .form-group { margin-bottom: 14px; }
.login-form label { color: var(--text-primary); font-weight: 600; }