/* ============================================================
   上誉智能 - 后台管理样式
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg-dark); color: var(--text-primary); line-height: 1.5; }
a { color: var(--accent-cyan); text-decoration: none; }

/* ---------- Login ---------- */
.admin-login { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; background: var(--gradient-dark); }
.login-card { width: 100%; max-width: 400px; background: var(--bg-card); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-lg); padding: 40px 36px; text-align: center; backdrop-filter: blur(10px); box-shadow: var(--shadow-card); }
.login-card h2 { font-size: 1.6rem; font-weight: 800; margin-bottom: 6px; }
.login-sub { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 28px; }
.login-hint { margin-top: 22px; font-size: 0.78rem; color: var(--text-muted); line-height: 1.8; }
.login-hint b { color: var(--accent-cyan); }

/* ---------- Layout ---------- */
.admin-dash { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.admin-sidebar { background: var(--bg-darker); border-right: 1px solid rgba(255,255,255,0.06); padding: 22px 16px; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.admin-brand { display: flex; align-items: center; gap: 12px; padding: 6px 8px 22px; }
.admin-brand .logo-icon { width: 38px; height: 38px; border-radius: 10px; background: linear-gradient(135deg, #00d4ff, #0066ff, #a855f7); display: flex; align-items: center; justify-content: center; font-weight: 800; color: #fff; font-size: 0.9rem; }
.admin-brand b { font-size: 1rem; display: block; }
.admin-brand small { color: var(--text-muted); font-size: 0.72rem; }

.admin-nav { display: flex; flex-direction: column; gap: 4px; flex: 1; overflow-y: auto; }
.nav-tab { display: flex; align-items: center; gap: 10px; text-align: left; padding: 12px 14px; border: none; background: none; color: var(--text-secondary); border-radius: 10px; cursor: pointer; font-size: 0.92rem; font-family: inherit; transition: var(--transition); }
.nav-tab:hover { background: rgba(255,255,255,0.05); color: #fff; }
.nav-tab.active { background: linear-gradient(135deg, rgba(0,212,255,0.16), rgba(168,85,247,0.16)); color: #fff; box-shadow: inset 0 0 0 1px rgba(0,212,255,0.25); }

.admin-side-foot { padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.06); }
.mode-badge { display: block; font-size: 0.76rem; padding: 6px 12px; border-radius: 20px; font-weight: 600; text-align: center; }
.mode-badge.ok { background: rgba(16,185,129,0.12); border: 1px solid rgba(16,185,129,0.3); color: #10b981; }
.mode-badge.warn { background: rgba(245,158,11,0.12); border: 1px solid rgba(245,158,11,0.3); color: #f59e0b; }

.admin-content { display: flex; flex-direction: column; min-width: 0; }
.admin-header { position: sticky; top: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 32px; background: rgba(6,8,18,0.92); border-bottom: 1px solid rgba(255,255,255,0.06); backdrop-filter: blur(20px); }
.admin-header h1 { font-size: 1.5rem; font-weight: 800; }
.admin-main { padding: 32px 32px 80px; flex: 1; }

/* ---------- Toolbar ---------- */
.admin-toolbar { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 28px; flex-wrap: wrap; }
.admin-toolbar h2 { font-size: 1.8rem; font-weight: 800; }
.admin-sub { color: var(--text-secondary); font-size: 0.9rem; margin-top: 4px; }
.admin-hint { margin: 18px 32px 0; padding: 12px 16px; background: rgba(0,212,255,0.08); border: 1px solid rgba(0,212,255,0.25); border-radius: 12px; color: var(--text-secondary); font-size: 0.85rem; line-height: 1.7; }
.admin-hint b { color: #fff; }
.admin-hint a { color: var(--accent-cyan); text-decoration: underline; }
.admin-tools { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-sm { padding: 9px 18px; font-size: 0.85rem; border-radius: 22px; }
.btn-danger { background: rgba(239,68,68,0.15); border: 1px solid rgba(239,68,68,0.35); color: #fca5a5; }
.btn-danger:hover { background: rgba(239,68,68,0.25); }

/* ---------- List cards ---------- */
.admin-list { display: grid; gap: 14px; }
.admin-card { display: grid; grid-template-columns: 110px 1fr auto; gap: 18px; align-items: center; background: var(--bg-card); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-md); padding: 14px; transition: var(--transition); }
.admin-card:hover { border-color: var(--border-glow); background: var(--bg-card-hover); }
.admin-card-img { width: 110px; height: 80px; border-radius: var(--radius-sm); overflow: hidden; display: flex; align-items: center; justify-content: center; font-size: 1.8rem; border: 1px solid rgba(255,255,255,0.08); background-size: cover; background-position: center; }
.admin-card-img img { width: 100%; height: 100%; object-fit: cover; }
.admin-card-info h4 { font-size: 1.08rem; font-weight: 700; margin-bottom: 4px; }
.admin-card-cat { display: inline-block; font-size: 0.7rem; color: var(--accent-cyan); background: rgba(0,212,255,0.1); border: 1px solid rgba(0,212,255,0.25); border-radius: 14px; padding: 2px 10px; margin-bottom: 8px; }
.admin-card-info p { color: var(--text-secondary); font-size: 0.85rem; line-height: 1.5; margin-bottom: 6px; }
.admin-card-meta { font-size: 0.78rem; color: var(--text-muted); }
.admin-card-actions { display: flex; flex-direction: column; gap: 8px; }

/* ---------- Modal ---------- */
.modal { position: fixed; inset: 0; z-index: 1000; background: rgba(0,0,0,0.7); display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; overflow-y: auto; backdrop-filter: blur(4px); }
.modal-card { width: 100%; max-width: 660px; background: var(--bg-dark); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 22px 28px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.modal-head h3 { font-size: 1.3rem; font-weight: 800; }
.modal-close { background: none; border: none; color: var(--text-secondary); font-size: 1.8rem; line-height: 1; cursor: pointer; transition: var(--transition); }
.modal-close:hover { color: #fff; transform: rotate(90deg); }
.modal-body { padding: 26px 28px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 12px; padding: 0 28px 26px; }

/* ---------- Form fields ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 18px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 0.85rem; color: var(--text-secondary); font-weight: 500; }
.form-group input, .form-group textarea, .form-group select {
    width: 100%; padding: 11px 14px; border-radius: var(--radius-sm);
    border: 1px solid rgba(255,255,255,0.12); background: rgba(255,255,255,0.04);
    color: #fff; font-size: 0.92rem; font-family: inherit; transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent-cyan); background: rgba(0,212,255,0.05); }
.form-group textarea { resize: vertical; min-height: 80px; line-height: 1.6; }

.gradient-presets { display: flex; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.gradient-presets .gp { width: 38px; height: 28px; border-radius: 7px; border: 2px solid transparent; cursor: pointer; transition: var(--transition); }
.gradient-presets .gp:hover { border-color: #fff; transform: scale(1.08); }

.img-preview { margin-top: 8px; min-height: 0; }
.img-preview img { max-width: 100%; max-height: 180px; border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,0.1); }
.file-preview { margin-top: 8px; font-size: 0.85rem; color: var(--text-secondary); word-break: break-all; }
.file-input { display: block; width: 100%; margin-top: 6px; color: var(--text-secondary); }

.spec-area { display: grid; gap: 8px; margin-bottom: 8px; }
.spec-row { display: grid; grid-template-columns: 1fr 1.4fr auto; gap: 8px; }
.spec-del { width: 38px; background: rgba(239,68,68,0.15); border: 1px solid rgba(239,68,68,0.3); color: #fca5a5; border-radius: var(--radius-sm); cursor: pointer; font-size: 1.1rem; transition: var(--transition); }
.spec-del:hover { background: rgba(239,68,68,0.28); }

/* ---------- SEO / Baidu panels ---------- */
.admin-panel { display: grid; gap: 24px; }
.panel-card { background: var(--bg-card); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-md); padding: 26px; }
.panel-card h3 { font-size: 1.2rem; margin-bottom: 6px; }
.panel-card .panel-desc { color: var(--text-secondary); font-size: 0.86rem; margin-bottom: 20px; }
.panel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 18px; }
.panel-section-title { grid-column: 1 / -1; font-size: 0.95rem; font-weight: 700; color: var(--accent-cyan); padding-top: 8px; border-top: 1px dashed rgba(255,255,255,0.1); margin-top: 6px; }
.baidu-guide { font-size: 0.86rem; color: var(--text-secondary); line-height: 1.9; }
.baidu-guide ol { padding-left: 20px; margin-top: 8px; }
.baidu-guide code { background: rgba(0,212,255,0.1); color: var(--accent-cyan); padding: 1px 6px; border-radius: 5px; font-size: 0.82rem; }

/* ---------- Toast ---------- */
.toast { position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--bg-card); border: 1px solid rgba(255,255,255,0.12); color: var(--text-primary); padding: 14px 24px; border-radius: 30px; font-size: 0.9rem; opacity: 0; pointer-events: none; transition: all 0.3s ease; z-index: 2000; backdrop-filter: blur(10px); }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.success { border-color: rgba(16,185,129,0.4); background: rgba(16,185,129,0.15); color: #6ee7b7; }
.toast.error { border-color: rgba(239,68,68,0.4); background: rgba(239,68,68,0.15); color: #fca5a5; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
    .admin-dash { grid-template-columns: 1fr; }
    .admin-sidebar { position: static; height: auto; flex-direction: row; align-items: center; gap: 14px; overflow-x: auto; }
    .admin-brand { padding: 0; }
    .admin-nav { flex-direction: row; flex: none; }
    .nav-tab { white-space: nowrap; }
    .admin-side-foot { flex-direction: row; border-top: none; padding: 0; align-items: center; gap: 10px; }
    .admin-side-foot .mode-badge { width: auto; }
    .form-grid, .panel-grid { grid-template-columns: 1fr; }
    .admin-card { grid-template-columns: 76px 1fr; }
    .admin-card-img { width: 76px; height: 68px; }
    .admin-card-actions { grid-column: 1 / -1; flex-direction: row; }
}

/* 留言卡片：无图片列，改为 内容 + 操作 两列 */
.msg-card { grid-template-columns: 1fr auto; align-items: start; }
.msg-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px; margin-bottom: 6px; }
.msg-head b { font-size: 1.05rem; color: var(--text-primary); }
.msg-meta { font-size: 0.8rem; color: var(--text-muted); }
.msg-product { font-size: 0.82rem; color: var(--accent-cyan); margin-bottom: 6px; }
.msg-body { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; white-space: pre-wrap; word-break: break-word; margin: 0 0 8px; }
.msg-time { font-size: 0.74rem; color: var(--text-muted); }
@media (max-width: 768px) {
  .msg-card { grid-template-columns: 1fr; }
  .msg-card .admin-card-actions { flex-direction: row; }
}