/* ── Reset ────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;background:#f0f2f5;color:#1a1a2e;line-height:1.6;min-height:100vh}

/* ── Login ────────────────────────────────────────────── */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a1a2e,#16213e)}
.login-box{background:#fff;border-radius:16px;padding:40px 36px;width:380px;max-width:90vw;box-shadow:0 20px 60px rgba(0,0,0,.2)}
.login-box h1{text-align:center;font-size:22px;margin-bottom:8px}
.login-box p{text-align:center;color:#888;font-size:14px;margin-bottom:28px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:600;color:#555;margin-bottom:6px}
.form-group input{width:100%;padding:10px 14px;border:1.5px solid #ddd;border-radius:8px;font-size:14px;transition:border-color .2s;outline:none}
.form-group input:focus{border-color:#4361ee}
.login-btn{width:100%;padding:12px;background:linear-gradient(135deg,#4361ee,#3a56d4);color:#fff;border:none;border-radius:10px;font-size:15px;font-weight:700;cursor:pointer;margin-top:8px;transition:opacity .2s}
.login-btn:hover{opacity:.9}
.login-error{color:#e63946;font-size:13px;text-align:center;margin-top:12px;display:none}

/* ── Layout ──────────────────────────────────────────── */
.app{display:none}
.topbar{background:#fff;border-bottom:1px solid #e8e8e8;padding:0 24px;height:56px;display:flex;align-items:center;position:sticky;top:0;z-index:50}
.topbar h2{font-size:16px;font-weight:700}
.topbar .spacer{flex:1}
.topbar .admin-name{font-size:13px;color:#666;margin-right:16px}
.topbar .logout-btn{background:none;border:1px solid #ddd;border-radius:6px;padding:6px 14px;font-size:13px;cursor:pointer;color:#666;transition:all .2s}
.topbar .logout-btn:hover{border-color:#e63946;color:#e63946}

.tabs{background:#fff;border-bottom:1px solid #e8e8e8;padding:0 24px;display:flex;gap:0}
.tab-btn{padding:12px 20px;font-size:14px;font-weight:600;color:#888;border:none;background:none;cursor:pointer;border-bottom:2.5px solid transparent;transition:all .2s}
.tab-btn.active{color:#4361ee;border-bottom-color:#4361ee}
.tab-btn:hover{color:#333}

.content{max-width:1200px;margin:0 auto;padding:24px}

/* ── Dashboard Cards ─────────────────────────────────── */
.stat-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:28px}
.stat-card{background:#fff;border-radius:12px;padding:20px;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.stat-card .label{font-size:13px;color:#888;margin-bottom:6px}
.stat-card .value{font-size:28px;font-weight:800}
.stat-card .value.blue{color:#4361ee}
.stat-card .value.green{color:#22c55e}
.stat-card .value.orange{color:#ff6b35}
.stat-card .value.red{color:#e63946}

.charts-row{display:grid;grid-template-columns:2fr 1fr;gap:16px;margin-bottom:24px}
@media(max-width:768px){.charts-row{grid-template-columns:1fr}}
.chart-box{background:#fff;border-radius:12px;padding:20px;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.chart-box h3{font-size:14px;font-weight:700;margin-bottom:16px;color:#555}

/* Bar chart */
.bar-chart{display:flex;align-items:flex-end;gap:8px;height:160px;padding-top:8px}
.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px}
.bar-col .bar{width:100%;max-width:40px;background:linear-gradient(180deg,#4361ee,#6c83f6);border-radius:4px 4px 0 0;min-height:2px;transition:height .5s}
.bar-col .bar-label{font-size:11px;color:#888}
.bar-col .bar-value{font-size:11px;font-weight:700;color:#4361ee}

/* Pie chart (CSS-only) */
.pie-legend{display:flex;flex-direction:column;gap:10px;margin-top:12px}
.pie-item{display:flex;align-items:center;gap:8px;font-size:13px}
.pie-dot{width:12px;height:12px;border-radius:3px}
.pie-item .pie-count{margin-left:auto;font-weight:700}

/* ── User Table ──────────────────────────────────────── */
.table-controls{display:flex;gap:12px;align-items:center;margin-bottom:16px;flex-wrap:wrap}
.search-input{padding:8px 14px;border:1.5px solid #ddd;border-radius:8px;font-size:14px;min-width:240px;outline:none;transition:border-color .2s}
.search-input:focus{border-color:#4361ee}
.table-info{margin-left:auto;font-size:13px;color:#888}

.data-table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.data-table th{background:#f8f9fc;padding:12px 16px;text-align:left;font-size:13px;font-weight:600;color:#666;border-bottom:1px solid #eee}
.data-table td{padding:12px 16px;font-size:14px;border-bottom:1px solid #f0f0f0}
.data-table tr:hover td{background:#fafbfe}
.data-table .plan-badge{display:inline-block;padding:3px 10px;border-radius:6px;font-size:12px;font-weight:700}
.plan-badge.free{background:#f0f0f0;color:#888}
.plan-badge.pro{background:#e8f0fe;color:#4361ee}
.plan-badge.ultimate{background:#fff3e6;color:#ff6b35}
.action-btn{padding:4px 12px;border-radius:6px;font-size:12px;font-weight:600;border:none;cursor:pointer;transition:opacity .2s}
.action-btn:hover{opacity:.8}
.action-btn.edit{background:#e8f0fe;color:#4361ee}
.action-btn.delete{background:#fde8e8;color:#e63946}

.pagination{display:flex;justify-content:center;gap:8px;margin-top:20px}
.page-btn{padding:6px 14px;border:1px solid #ddd;border-radius:6px;background:#fff;font-size:13px;cursor:pointer;transition:all .2s}
.page-btn.active{background:#4361ee;color:#fff;border-color:#4361ee}
.page-btn:hover:not(.active){border-color:#4361ee;color:#4361ee}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);display:none;align-items:center;justify-content:center;z-index:200}
.modal-overlay.show{display:flex}
.modal{background:#fff;border-radius:14px;padding:28px;width:400px;max-width:90vw;box-shadow:0 20px 60px rgba(0,0,0,.15)}
.modal h3{font-size:17px;font-weight:700;margin-bottom:16px}
.modal select{width:100%;padding:10px;border:1.5px solid #ddd;border-radius:8px;font-size:14px;margin-bottom:20px}
.modal-actions{display:flex;gap:10px;justify-content:flex-end}
.modal-actions button{padding:8px 20px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;border:none;transition:opacity .2s}
.modal-actions .cancel{background:#f0f0f0;color:#666}
.modal-actions .confirm{background:#4361ee;color:#fff}