:root {
  --primary: #2563eb; --primary-dark: #1d4ed8; --primary-light: #dbeafe;
  --bg: #f1f5f9; --bg-card: #fff; --text: #1e293b; --text-sec: #64748b; --text-muted: #94a3b8;
  --border: #e2e8f0; --border-light: #f1f5f9;
  --sidebar-bg: #0f172a; --sidebar-text: #94a3b8; --sidebar-active: #3b82f6;
  --success: #16a34a; --danger: #dc2626; --orange: #ea580c; --purple: #7c3aed;
  --shadow: 0 1px 3px rgba(0,0,0,.06); --shadow-lg: 0 8px 24px rgba(0,0,0,.12);
  --radius: 8px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}

/* LANDING */
.landing{min-height:100vh;background:linear-gradient(135deg,#0f172a,#1e3a5f);color:#fff;display:flex;flex-direction:column}
.landing-nav{padding:16px 32px;display:flex;align-items:center}
.landing-logo{font-size:22px;font-weight:800;display:flex;align-items:center;gap:8px}
.landing-hero{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px}
.landing-hero h1{font-size:clamp(28px,5vw,48px);font-weight:800;line-height:1.2;margin-bottom:16px}
.text-accent{color:#60a5fa}
.hero-sub{color:#94a3b8;font-size:clamp(14px,2vw,18px);max-width:500px;margin-bottom:32px}
.login-box{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:24px;backdrop-filter:blur(10px)}
.login-msg{margin-top:12px;padding:8px 12px;border-radius:6px;font-size:13px;text-align:center}
.login-msg.loading{background:rgba(59,130,246,.15);color:#93c5fd}
.login-msg.success{background:rgba(22,163,74,.15);color:#86efac}
.login-msg.error{background:rgba(220,38,38,.15);color:#fca5a5}
.landing-features{display:flex;justify-content:center;gap:32px;padding:40px 20px;flex-wrap:wrap}
.feature{text-align:center;max-width:200px}.feature i{font-size:28px;color:#60a5fa;margin-bottom:8px}
.feature h3{font-size:16px;margin-bottom:4px}.feature p{font-size:13px;color:#94a3b8}

/* TOPBAR */
.topbar{height:56px;background:var(--bg-card);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 16px;position:sticky;top:0;z-index:100}
.topbar-left{display:flex;align-items:center;gap:10px}
.topbar-brand{font-size:18px;font-weight:800;color:var(--primary);display:flex;align-items:center;gap:6px}
.hamburger{display:none;background:none;border:none;font-size:20px;color:var(--text);cursor:pointer}
.topbar-center{flex:1;max-width:360px;margin:0 16px}
.topbar-search{position:relative}.topbar-search i{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:13px}
.topbar-search input{width:100%;padding:8px 10px 8px 32px;border:1px solid var(--border);border-radius:20px;font-size:13px;outline:none;background:var(--bg)}
.topbar-search input:focus{border-color:var(--primary);background:#fff}
.topbar-right{display:flex;align-items:center;gap:10px}

/* BADGES */
.badge{font-size:11px;padding:3px 8px;border-radius:20px;display:inline-flex;align-items:center;gap:4px;font-weight:600}
.badge-green{background:#dcfce7;color:var(--success)}.badge-blue{background:var(--primary-light);color:var(--primary)}
.badge-orange{background:#fff7ed;color:var(--orange);animation:pulse 2s infinite}.badge-purple{background:#f3e8ff;color:var(--purple)}
.badge-red{background:#fef2f2;color:var(--danger)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.6}}

/* USER MENU */
.user-menu{position:relative;cursor:pointer}
.avatar{width:32px;height:32px;border-radius:50%;border:2px solid var(--border);object-fit:cover}
.user-dropdown{display:none;position:absolute;right:0;top:44px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);min-width:200px;z-index:200}
.user-dropdown.open{display:block}
.dropdown-header{padding:12px 16px;border-bottom:1px solid var(--border)}.dropdown-header strong{display:block;font-size:13px}.dropdown-header small{color:var(--text-muted);font-size:11px}
.user-dropdown a{display:flex;align-items:center;gap:8px;padding:10px 16px;color:var(--text);font-size:13px;text-decoration:none}
.user-dropdown a:hover{background:var(--bg)}

/* LAYOUT */
.main-layout{display:flex;min-height:calc(100vh - 56px)}

/* SIDEBAR */
.sidebar{width:220px;background:var(--sidebar-bg);padding:8px 0;flex-shrink:0;overflow-y:auto;transition:transform .3s}
.sidebar::-webkit-scrollbar{width:4px}.sidebar::-webkit-scrollbar-thumb{background:#334155;border-radius:4px}
.sidebar-group{border-top:1px solid rgba(255,255,255,.05)}
.sidebar-label{font-size:11px;font-weight:600;letter-spacing:.3px;color:#64748b;padding:10px 14px;cursor:pointer;display:flex;align-items:center;gap:8px;transition:color .15s;user-select:none}
.sidebar-label:hover{color:#e2e8f0}
.sidebar-label i:first-child{width:16px;text-align:center;font-size:12px;color:#475569}
.grp-arrow{margin-left:auto;font-size:10px;transition:transform .2s}
.grp-items{max-height:500px;overflow:hidden;transition:max-height .3s ease}
.grp-items.collapsed{max-height:0}
.collapsed+.grp-arrow,.sidebar-label:has(+.collapsed) .grp-arrow{transform:rotate(-90deg)}
.sidebar-menu{list-style:none}
.menu-item{padding:7px 14px;color:var(--sidebar-text);cursor:pointer;display:flex;align-items:center;gap:8px;font-size:13px;border-left:3px solid transparent;transition:all .12s}
.menu-item:hover{background:rgba(255,255,255,.04);color:#e2e8f0}
.menu-item.active{background:rgba(59,130,246,.1);color:var(--sidebar-active);border-left-color:var(--sidebar-active)}
.menu-item i{width:16px;text-align:center;font-size:12px}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:150}

/* CONTENT */
.content{flex:1;padding:24px;overflow-y:auto}
.page{display:none}.page.active{display:block}
.page-title{font-size:18px;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:16px}
.page-title i{color:var(--primary)}
.section-title{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-sec);margin:20px 0 10px;display:flex;align-items:center;gap:6px}

/* STATS */
.stats-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-bottom:20px}
.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:14px;display:flex;align-items:center;gap:12px;box-shadow:var(--shadow)}
.stat-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:16px;color:#fff}
.bg-blue{background:var(--primary)}.bg-green{background:var(--success)}.bg-purple{background:var(--purple)}.bg-orange{background:var(--orange)}
.stat-card small{font-size:11px;color:var(--text-muted)}.stat-card strong{font-size:16px;display:block}

/* CARDS GRID */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:10px}
.qcard{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 8px;display:flex;flex-direction:column;align-items:center;gap:6px;cursor:pointer;transition:all .15s;box-shadow:var(--shadow);font-size:12px;font-weight:600;color:var(--text-sec)}
.qcard:hover{border-color:var(--primary);box-shadow:0 2px 8px rgba(37,99,235,.15);transform:translateY(-2px)}
.qcard i{font-size:22px;color:var(--primary)}

/* PANEL */
.panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px}
.panel-header{padding:12px 16px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}
.panel-header h3{font-size:14px;font-weight:600;display:flex;align-items:center;gap:6px}
.panel-header h3 i{color:var(--primary)}
.panel-actions{display:flex;align-items:center;gap:6px}
.panel-body{padding:16px}

/* FORMS */
.form-group{margin-bottom:14px}.form-group label{display:block;font-size:12px;font-weight:600;color:var(--text-sec);margin-bottom:4px}
.form-input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;outline:none;transition:border .2s;background:#fff}
.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}
select.form-input{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23666' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}

/* BUTTONS */
.btn{padding:8px 16px;border:1px solid var(--border);border-radius:var(--radius);font-size:13px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;background:var(--bg-card);color:var(--text);transition:all .15s}
.btn:hover{background:var(--bg)}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);width:100%;justify-content:center;padding:12px;font-weight:600}
.btn-primary:hover{background:var(--primary-dark)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}
.btn-sm{padding:5px 10px;font-size:12px}.btn-xs{padding:3px 8px;font-size:11px}
.btn-success{background:var(--success);color:#fff;border-color:var(--success)}.btn-danger{background:var(--danger);color:#fff;border-color:var(--danger)}

/* TABLES */
.table-responsive{overflow-x:auto;-webkit-overflow-scrolling:touch}
.data-table{width:100%;border-collapse:collapse}
.data-table th{background:var(--bg);padding:8px 10px;text-align:left;font-size:11px;font-weight:700;color:var(--text-sec);text-transform:uppercase;letter-spacing:.3px;border-bottom:2px solid var(--border);white-space:nowrap}
.data-table td{padding:8px 10px;border-bottom:1px solid var(--border-light);font-size:13px}
.data-table tr:hover{background:var(--primary-light)}

/* KV TABLE */
.kv-table{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:12px}
.kv-section{background:var(--sidebar-bg);color:#e2e8f0;padding:6px 14px;font-size:11px;font-weight:700;letter-spacing:.5px}
.kv-row{display:flex;border-bottom:1px solid var(--border-light);font-size:13px}
.kv-row:last-child{border-bottom:none}
.kv-key{width:200px;min-width:140px;padding:7px 14px;background:#f8fafc;font-weight:500;color:var(--text-sec);border-right:1px solid var(--border-light);flex-shrink:0}
.kv-val{flex:1;padding:7px 14px;word-break:break-word}
.kv-text{padding:5px 14px;font-size:13px;color:var(--text-sec);border-bottom:1px solid var(--border-light)}

/* RESULT */
.result-images{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.result-photo{max-width:180px;border-radius:var(--radius);border:1px solid var(--border)}

/* USER CARD */
.user-card{display:flex;align-items:center;gap:12px;padding:10px;border:1px solid var(--border);border-radius:var(--radius);margin-bottom:8px}
.user-card img{width:40px;height:40px;border-radius:50%}
.user-card div{flex:1}

/* STATES */
.loading-center{text-align:center;padding:40px}.loading-center p{margin-top:12px;color:var(--text-muted)}
.spinner{display:inline-block;width:28px;height:28px;border:3px solid var(--border);border-radius:50%;border-top-color:var(--primary);animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.empty-state{text-align:center;padding:40px;color:var(--text-muted)}.empty-state i{font-size:36px;margin-bottom:8px}
.error-box{background:#fef2f2;color:var(--danger);padding:14px;border-radius:var(--radius);border:1px solid #fecaca;display:flex;align-items:center;gap:8px}
.text-center{text-align:center}.text-muted{color:var(--text-muted)}
.pagination{display:flex;justify-content:center;gap:8px;margin-top:16px}

/* RESPONSIVE */
@media(max-width:768px){
  .hamburger{display:block}
  .sidebar{position:fixed;left:0;top:56px;bottom:0;z-index:160;transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .sidebar-overlay.open{display:block}
  .topbar-center{display:none}
  .content{padding:14px}
  .cards-grid{grid-template-columns:repeat(auto-fill,minmax(90px,1fr))}
  .stats-row{grid-template-columns:1fr 1fr}
  .kv-key{width:120px;min-width:100px;font-size:12px}
  .kv-val{font-size:12px}
  .qcard{padding:12px 6px}.qcard i{font-size:18px}
  .landing-hero h1{font-size:28px}
}
@media(max-width:480px){
  .stats-row{grid-template-columns:1fr}
  .cards-grid{grid-template-columns:repeat(3,1fr);gap:8px}
  .qcard span{font-size:10px}
  .topbar-right .badge{display:none}
}