.account-body { background: #f4f6fb; }
.account-page { max-width: 1280px; margin: 0 auto; padding: 20px; }
.account-page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.account-page-head h1 { margin: 0; font-size: 22px; display: flex; align-items: center; gap: 8px; }
.account-icon { font-size: 24px; }
.account-layout { display: grid; grid-template-columns: 340px 1fr; gap: 20px; align-items: start; }
.account-side { display: flex; flex-direction: column; gap: 16px; }
.account-card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 18px; }
.account-card h3 { margin: 0 0 14px; font-size: 15px; }
.account-card h3 small { font-weight: 400; color: var(--muted); font-size: 12px; }
.card-head-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.card-head-row h3 { margin: 0; }
.account-user-row { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; }
.account-avatar { width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg, #6366f1, #a78bfa); color: #fff; display: grid; place-items: center; font-weight: 700; }
.account-phone { font-size: 13px; color: var(--muted); margin-top: 4px; }
.account-meta { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--muted); margin-bottom: 14px; flex-wrap: wrap; gap: 8px; }
.account-meta em { font-style: normal; color: var(--text); }
.tier-badge { background: linear-gradient(135deg, #7c3aed, #a78bfa); color: #fff; font-size: 11px; padding: 3px 10px; border-radius: 999px; font-weight: 700; }
.tier-badge.tier-vip { background: linear-gradient(135deg, #6366f1, #818cf8); }
.tier-badge.tier-regular { background: #94a3b8; }
.credit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.credit-item { background: #f8fafc; border-radius: 10px; padding: 10px 12px; }
.credit-item label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.credit-item strong { font-size: 18px; color: var(--text); }
.account-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.btn-primary-sm { border: 0; background: var(--primary); color: #fff; padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: 13px; }
.btn-outline-sm { border: 1px solid var(--border); background: #fff; color: var(--text); padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: 13px; }
.link-btn { border: 0; background: transparent; color: var(--primary); cursor: pointer; font-size: 13px; margin-left: 8px; }
.api-key-input { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; background: #f8fafc; box-sizing: border-box; }
.card-tip { margin: 10px 0 0; font-size: 12px; color: var(--muted); line-height: 1.5; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.stat-box { background: #f8fafc; border-radius: 10px; padding: 12px; text-align: center; }
.stat-box span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.stat-box strong { font-size: 22px; }
.stat-filters { display: flex; gap: 8px; margin-bottom: 10px; }
.stat-filters input, .stat-filters select { flex: 1; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; }
.usage-chart { min-height: 80px; display: flex; align-items: flex-end; gap: 4px; padding: 8px 0; }
.usage-bar { flex: 1; min-width: 8px; background: linear-gradient(180deg, #818cf8, #6366f1); border-radius: 4px 4px 0 0; }
.redeem-row { display: flex; gap: 8px; }
.redeem-row input { flex: 1; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; }

.account-main { display: flex; flex-direction: column; gap: 16px; }
.account-tabs { display: flex; gap: 0; background: #fff; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.account-tab { flex: 1; border: 0; background: #fff; padding: 14px 10px; cursor: pointer; font-size: 14px; color: var(--muted); border-bottom: 2px solid transparent; }
.account-tab.active { color: var(--primary); font-weight: 600; border-bottom-color: var(--primary); background: #fafbff; }
.account-panel { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 24px; }
.panel-intro h2 { margin: 0 0 8px; font-size: 20px; }
.panel-intro p { margin: 0 0 12px; color: var(--muted); font-size: 14px; }
.intro-links a { color: var(--primary); font-size: 14px; }
.plan-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 20px; }
.plan-card { border: 1px solid var(--border); border-radius: 14px; padding: 20px; position: relative; }
.plan-card.highlight { border-color: #7c3aed; box-shadow: 0 8px 24px rgba(124,58,237,.12); }
.plan-popular { position: absolute; top: 12px; right: 12px; background: #7c3aed; color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 999px; }
.plan-card h3 { margin: 0 0 8px; font-size: 18px; }
.plan-price { margin-bottom: 14px; }
.plan-price strong { font-size: 28px; color: #7c3aed; }
.plan-price del { color: var(--muted); font-size: 14px; margin-left: 8px; }
.plan-benefits { margin: 0 0 16px; padding-left: 18px; font-size: 13px; line-height: 1.8; color: #475569; }
.plan-footer { font-size: 12px; color: var(--muted); margin-bottom: 12px; }
.plan-btn { width: 100%; padding: 10px; border: 0; border-radius: 8px; background: linear-gradient(135deg, #7c3aed, #6366f1); color: #fff; cursor: pointer; font-weight: 600; }
.plan-btn.disabled { background: #e2e8f0; color: #64748b; cursor: default; }

.recharge-panel h2 { margin: 0 0 8px; }
.recharge-options { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 16px 0; }
.recharge-opt { padding: 16px; border: 1px solid var(--border); border-radius: 10px; background: #fff; cursor: pointer; font-weight: 600; }
.recharge-opt:hover { border-color: var(--primary); color: var(--primary); }

.table-wrap { overflow-x: auto; margin-top: 12px; }
.account-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.account-table th, .account-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; }
.account-table th { background: #f8fafc; color: var(--muted); font-weight: 600; }

.tools-section { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 20px; }
.tools-section h3 { margin: 0 0 14px; }
.tools-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.tool-card { display: block; padding: 18px; border: 1px solid var(--border); border-radius: 12px; text-decoration: none; color: inherit; transition: border-color .2s; }
.tool-card:hover { border-color: var(--primary); }
.tool-card strong { display: block; margin-bottom: 8px; }
.tool-card p { margin: 0 0 10px; font-size: 13px; color: var(--muted); line-height: 1.6; }
.tool-card span { color: var(--primary); font-size: 13px; }

#authUserLink { color: var(--primary); text-decoration: none; cursor: pointer; }
#authUserLink:hover { text-decoration: underline; }

@media (max-width: 960px) {
  .account-layout { grid-template-columns: 1fr; }
  .plan-cards, .tools-grid, .recharge-options { grid-template-columns: 1fr; }
}