/* Boshish.uz Admin Panel — Style sheet */
*{margin:0;padding:0;box-sizing:border-box}
    :root{--primary:#1e293b;--primary-dark:#0f172a;--accent:#4f46e5;--accent-light:#eef2ff;--green:#22c55e;--red:#ef4444;--orange:#f59e0b;--blue:#3b82f6;--bg:#f1f5f9;--card:#fff;--text:#0f172a;--text2:#64748b;--border:#e2e8f0;--radius:12px;--shadow:0 1px 3px rgba(0,0,0,.06);--shadow-md:0 4px 12px rgba(0,0,0,.08)}
    html{scroll-behavior:smooth}body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
    a{color:var(--accent);text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none}input,select,textarea{font-family:inherit}

    .login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e293b 0%,#334155 50%,#1e293b 100%);padding:20px}
    .login-card{background:#fff;border-radius:20px;padding:48px 40px;width:420px;max-width:100%;box-shadow:0 20px 60px rgba(0,0,0,.2)}
    .login-logo{text-align:center;margin-bottom:32px}
    .login-logo h1{font-size:28px;font-weight:900;color:var(--primary)}.login-logo h1 span{color:var(--accent)}
    .login-logo p{color:var(--text2);font-size:14px;margin-top:4px}
    .login-icon{width:64px;height:64px;background:var(--accent-light);border-radius:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:var(--accent)}
    .login-icon i{width:32px;height:32px}
    .form-group{margin-bottom:18px}.form-group label{display:block;margin-bottom:6px;font-weight:600;font-size:13px;color:var(--text2)}
    .form-group input{width:100%;padding:12px 14px;border:2px solid var(--border);border-radius:10px;font-size:15px;transition:.2s;background:#f8fafc}
    .form-group input:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px rgba(79,70,229,.1)}
    .login-btn{width:100%;padding:14px;background:var(--accent);color:#fff;border-radius:10px;font-size:15px;font-weight:700;transition:.2s;display:flex;align-items:center;justify-content:center;gap:8px}
    .login-btn:hover{background:#4338ca;transform:translateY(-1px);box-shadow:0 4px 14px rgba(79,70,229,.35)}
    .login-error{background:#fef2f2;color:#991b1b;padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:16px;display:none;align-items:center;gap:8px}
    .login-error.show{display:flex}

    .layout{display:flex;min-height:100vh}
    .sidebar{width:260px;background:var(--primary-dark);color:#fff;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:50;transition:transform .3s}
    .sidebar-header{padding:20px;border-bottom:1px solid rgba(255,255,255,.06)}
    .sidebar-header h2{font-size:20px;font-weight:900}.sidebar-header h2 span{color:#818cf8}
    .sidebar-header small{font-size:11px;color:rgba(255,255,255,.4);display:block;margin-top:2px}
    .sidebar-nav{flex:1;padding:12px 10px;overflow-y:auto}
    .nav-label{font-size:10px;font-weight:700;color:rgba(255,255,255,.25);padding:12px 10px 6px;text-transform:uppercase;letter-spacing:.5px}
    .nav-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:10px;font-size:14px;font-weight:500;color:rgba(255,255,255,.55);transition:.2s;margin-bottom:2px;cursor:pointer}
    .nav-item:hover{color:#fff;background:rgba(255,255,255,.06)}
    .nav-item.active{color:#fff;background:var(--accent);font-weight:600}
    .nav-item i{width:18px;height:18px}
    .nav-item .badge{margin-left:auto;background:var(--red);color:#fff;font-size:10px;padding:2px 7px;border-radius:10px;font-weight:700}
    .sidebar-footer{padding:14px;border-top:1px solid rgba(255,255,255,.06)}
    .sidebar-user{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:10px}
    .sidebar-user .ava{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#818cf8);color:#fff;font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
    .sidebar-user .uname{font-size:13px;font-weight:600}.sidebar-user .urole{font-size:10px;color:rgba(255,255,255,.4)}
    .logout-btn{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.4);font-size:13px;padding:8px 10px;border-radius:8px;width:100%;transition:.2s;margin-top:6px}
    .logout-btn:hover{color:#fff;background:rgba(239,68,68,.15)}.logout-btn i{width:16px;height:16px}

    .main{flex:1;margin-left:260px;padding:24px;min-height:100vh}
    .topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;gap:12px}
    .topbar h1{font-size:24px;font-weight:800;display:flex;align-items:center;gap:8px}
    .topbar h1 i{width:28px;height:28px;color:var(--accent)}
    .mobile-toggle{display:none;width:40px;height:40px;border-radius:10px;background:var(--card);border:1px solid var(--border);align-items:center;justify-content:center}
    .mobile-toggle i{width:20px;height:20px}
    .overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:40}.overlay.show{display:block}

    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px}
    .stat{background:var(--card);border-radius:var(--radius);padding:20px;border:1px solid var(--border);position:relative;overflow:hidden;transition:.2s}
    .stat:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
    .stat::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;border-radius:0 0 3px 3px}
    .stat.s1::before{background:var(--accent)}.stat.s2::before{background:var(--green)}.stat.s3::before{background:var(--orange)}.stat.s4::before{background:var(--blue)}
    .stat-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:10px}
    .stat-icon i{width:22px;height:22px}
    .s1 .stat-icon{background:var(--accent-light);color:var(--accent)}.s2 .stat-icon{background:#dcfce7;color:var(--green)}.s3 .stat-icon{background:#fef3c7;color:var(--orange)}.s4 .stat-icon{background:#dbeafe;color:var(--blue)}
    .stat .num{font-size:28px;font-weight:800}.stat .label{font-size:12px;color:var(--text2);margin-top:2px;font-weight:500}
    .stat .sub{font-size:11px;color:var(--green);margin-top:4px;font-weight:600}

    .card{background:var(--card);border-radius:var(--radius);border:1px solid var(--border);overflow:hidden;margin-bottom:16px}
    .card-head{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
    .card-head h3{font-size:16px;font-weight:700;display:flex;align-items:center;gap:8px}.card-head h3 i{width:20px;height:20px;color:var(--accent)}
    .card-body{padding:20px}

    .tbl{width:100%;border-collapse:collapse}
    .tbl th{text-align:left;font-size:11px;font-weight:700;color:var(--text2);padding:10px 14px;border-bottom:2px solid var(--border);text-transform:uppercase;letter-spacing:.3px}
    .tbl td{padding:12px 14px;border-bottom:1px solid var(--border);font-size:13px}.tbl tr:hover td{background:#f8fafc}
    .tbl .ava-sm{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#818cf8);color:#fff;font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}

    .badge{padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600;display:inline-flex;align-items:center;gap:4px}
    .badge-green{background:#dcfce7;color:#166534}.badge-yellow{background:#fef3c7;color:#92400e}.badge-red{background:#fee2e2;color:#991b1b}.badge-blue{background:#dbeafe;color:#1e40af}.badge-gray{background:#f1f5f9;color:#475569}

    .btn{padding:8px 16px;border-radius:8px;font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:.2s}.btn i{width:15px;height:15px}
    .btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:#4338ca}
    .btn-success{background:var(--green);color:#fff}.btn-success:hover{background:#16a34a}
    .btn-danger{background:var(--red);color:#fff}.btn-danger:hover{background:#dc2626}
    .btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text)}.btn-outline:hover{border-color:var(--accent);color:var(--accent)}
    .btn-sm{padding:5px 10px;font-size:12px;border-radius:6px}.btn-sm i{width:13px;height:13px}

    .tabs{display:flex;gap:0;border-bottom:2px solid var(--border);margin-bottom:20px;overflow-x:auto}
    .tab{padding:10px 18px;font-weight:600;font-size:13px;color:var(--text2);border-bottom:2px solid transparent;margin-bottom:-2px;cursor:pointer;transition:.2s;display:flex;align-items:center;gap:6px;white-space:nowrap}
    .tab:hover{color:var(--accent)}.tab.active{color:var(--accent);border-bottom-color:var(--accent)}.tab i{width:16px;height:16px}
    .tab .cnt{background:var(--accent-light);color:var(--accent);font-size:10px;padding:2px 7px;border-radius:10px;font-weight:700}

    .modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:200;display:none;align-items:center;justify-content:center;padding:20px}.modal-bg.show{display:flex}
    .modal{background:#fff;border-radius:16px;width:480px;max-width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.2);animation:slideUp .2s}
    @keyframes slideUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
    .modal-head{padding:18px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
    .modal-head h3{font-size:17px;font-weight:700;display:flex;align-items:center;gap:8px}.modal-head h3 i{width:20px;height:20px;color:var(--accent)}
    .modal-close{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text2);transition:.2s}
    .modal-close:hover{background:var(--bg);color:var(--text)}.modal-close i{width:18px;height:18px}
    .modal-body{padding:24px}.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:flex-end}

    .pagination{display:flex;align-items:center;justify-content:center;gap:6px;padding:16px}
    .page-btn{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;border:1px solid var(--border);background:#fff;color:var(--text);transition:.2s;cursor:pointer}
    .page-btn:hover{border-color:var(--accent);color:var(--accent)}.page-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.page-btn:disabled{opacity:.4;cursor:not-allowed}

    .toast-box{position:fixed;top:20px;right:20px;z-index:999;display:flex;flex-direction:column;gap:8px}
    .toast{padding:12px 18px;border-radius:10px;font-size:13px;font-weight:600;color:#fff;box-shadow:var(--shadow-md);display:flex;align-items:center;gap:8px;animation:slideIn .25s ease;min-width:260px}
    .toast i{width:18px;height:18px}.toast-success{background:var(--green)}.toast-error{background:var(--red)}
    @keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}
    @keyframes spin{to{transform:rotate(360deg)}}

    .empty{text-align:center;padding:48px 20px;color:var(--text2)}
    .empty-icon{width:64px;height:64px;border-radius:16px;background:var(--accent-light);display:flex;align-items:center;justify-content:center;margin:0 auto 12px;color:var(--accent)}.empty-icon i{width:28px;height:28px}
    .empty h3{margin-bottom:4px;color:var(--text)}.empty p{font-size:13px}

    @media(max-width:1100px){.stats{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:900px){.sidebar{transform:translateX(-100%)}.sidebar.open{transform:translateX(0)}.mobile-toggle{display:flex}.main{margin-left:0}}
    @media(max-width:640px){.stats{grid-template-columns:1fr 1fr;gap:10px}.stat{padding:14px}.stat .num{font-size:22px}.topbar h1{font-size:18px}.main{padding:16px}.card-body{padding:14px}.login-card{padding:32px 24px}}
    @media(max-width:380px){.stats{grid-template-columns:1fr}}
    ::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}

    /* Boot splash — shows before JS hydrates */
    .boot-splash{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:var(--bg);color:var(--text2);font-size:13px}
    .boot-spin{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin 0.8s linear infinite}

    /* Focus accessibility */
    button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
    .nav-item:focus-visible{outline:2px solid #fff;outline-offset:-2px}

    /* Disable text selection on chrome (sidebar, tabs) for cleaner feel */
    .sidebar, .tabs, .topbar h1, .badge{user-select:none}

    /* Loading state for primary buttons */
    .btn.is-loading{opacity:.7;pointer-events:none;position:relative}
    .btn.is-loading::after{content:'';display:inline-block;width:12px;height:12px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin 0.6s linear infinite;margin-left:6px}

    /* Subtle row entrance for table data */
    .tbl tbody tr{animation:rowIn .22s ease both}
    @keyframes rowIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

    /* Algoritm cards — kichik tinch ko'rinish */
    .algo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}
    .algo-stat{background:#f8fafc;border:1px solid var(--border);border-radius:10px;padding:14px;text-align:center}
    .algo-stat .num{font-size:22px;font-weight:800;color:var(--text)}
    .algo-stat .lbl{font-size:11px;color:var(--text2);margin-top:2px}
    .algo-stat.warn{background:#fef3c7;border-color:#fcd34d}.algo-stat.ok{background:#dcfce7;border-color:#86efac}
    .algo-stat.danger{background:#fee2e2;border-color:#fca5a5}.algo-stat.info{background:#dbeafe;border-color:#93c5fd}