@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ══════════════════════════════════════
   BASE
══════════════════════════════════════ */
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',sans-serif;background:#f8fafc;color:#1e293b;font-size:15px;min-height:100vh}
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:#f1f5f9}
::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:#94a3b8}

/* ══════════════════════════════════════
   AUTH
══════════════════════════════════════ */
#pg-auth{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f172a 0%,#1e3a8a 50%,#312e81 100%);position:relative;overflow:hidden}
#pg-auth::before{content:'';position:absolute;width:600px;height:600px;background:radial-gradient(circle,rgba(99,102,241,.15) 0%,transparent 70%);top:-200px;right:-200px;pointer-events:none}
#pg-auth::after{content:'';position:absolute;width:400px;height:400px;background:radial-gradient(circle,rgba(139,92,246,.1) 0%,transparent 70%);bottom:-100px;left:-100px;pointer-events:none}
#pg-app{display:none}

.auth-card{background:#fff;border-radius:24px;padding:48px 44px;width:460px;max-width:95vw;box-shadow:0 32px 80px rgba(0,0,0,.25);position:relative;z-index:1}
.auth-brand{text-align:center;margin-bottom:32px}
.auth-logo-modern{display:flex;flex-direction:column;align-items:center;gap:10px}
.alm-icon{width:60px;height:60px;background:linear-gradient(135deg,#4f46e5,#7c3aed);border-radius:16px;display:flex;align-items:center;justify-content:center}
.alm-icon svg,.alm-icon-inner{width:32px;height:32px;color:#fff}
.alm-text{font-size:28px;font-weight:900;color:#1e293b;letter-spacing:1px}
.auth-tagline{font-size:13px;color:#94a3b8;letter-spacing:.5px}

.auth-tabs{display:flex;background:#f1f5f9;border-radius:14px;padding:4px;margin-bottom:28px;gap:4px}
.auth-tab{flex:1;padding:11px;border:none;background:none;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;color:#64748b;transition:all .2s;font-family:'Inter',sans-serif}
.auth-tab.on{background:#fff;color:#4f46e5;box-shadow:0 2px 8px rgba(0,0,0,.08)}

.fg{margin-bottom:18px}
.fg label{display:block;font-size:13px;font-weight:600;color:#374151;margin-bottom:7px}
.fg input,.fg select{width:100%;padding:13px 16px;border:2px solid #e2e8f0;border-radius:12px;font-size:14px;font-family:'Inter',sans-serif;outline:none;transition:all .2s;color:#1e293b;background:#fff}
.fg input:focus,.fg select:focus{border-color:#4f46e5;box-shadow:0 0 0 4px rgba(79,70,229,.08)}
.err-msg{background:#fef2f2;color:#dc2626;padding:11px 14px;border-radius:10px;font-size:13px;margin-bottom:16px;display:none;border-left:4px solid #dc2626}
.btn-auth{width:100%;padding:14px;background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;border:none;border-radius:12px;font-size:15px;font-weight:700;cursor:pointer;font-family:'Inter',sans-serif;transition:all .2s;box-shadow:0 4px 16px rgba(79,70,229,.3)}
.btn-auth:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(79,70,229,.4)}
.auth-hint{font-size:12px;color:#94a3b8;text-align:center;margin-top:16px}

/* ══════════════════════════════════════
   APP LAYOUT — Navbar based
══════════════════════════════════════ */
.app-layout{display:flex;flex-direction:column;min-height:100vh;height:100vh}

/* ── TOP NAVBAR ── */
.top-navbar{height:64px;background:#fff;border-bottom:1px solid #e2e8f0;display:flex;align-items:center;padding:0 24px;gap:16px;position:sticky;top:0;z-index:300;box-shadow:0 1px 8px rgba(0,0,0,.06)}

.nav-brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.nav-logo-box{width:38px;height:38px;background:linear-gradient(135deg,#4f46e5,#7c3aed);border-radius:10px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(79,70,229,.3)}
.nav-logo-box svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:2}
.nav-brand-text{font-size:18px;font-weight:900;color:#1e293b;letter-spacing:-.3px}
.nav-brand-block{display:flex;flex-direction:column;gap:0;hidden-sm:none}
.nav-brand-sub{font-size:10px;font-weight:600;color:#94a3b8;letter-spacing:.2px;white-space:nowrap}
@media(max-width:640px){.nav-brand-block{display:none}}

/* Hover dropdown */
.nav-dropdown-wrap{position:relative}
.nav-menu-btn{display:flex;align-items:center;gap:8px;padding:8px 14px;border:none;background:#f8fafc;border-radius:10px;cursor:pointer;font-family:'Inter',sans-serif;font-size:14px;font-weight:600;color:#475569;transition:all .2s}
.nav-menu-btn:hover{background:#eff6ff;color:#4f46e5}
.nav-menu-btn svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .2s}
.nav-dropdown-wrap:hover .nav-menu-btn svg.chevron{transform:rotate(180deg)}

.nav-dropdown{position:absolute;top:calc(100% + 8px);left:0;width:240px;background:#fff;border-radius:16px;border:1px solid #e2e8f0;box-shadow:0 16px 48px rgba(0,0,0,.12);padding:8px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .2s;z-index:400}
.nav-dropdown-wrap:hover .nav-dropdown{opacity:1;visibility:visible;transform:translateY(0)}

.nav-section-label{font-size:10px;font-weight:700;color:#94a3b8;text-transform:uppercase;letter-spacing:1.5px;padding:6px 10px 4px}
.nav-dd-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;cursor:pointer;transition:all .15s;border:none;background:none;width:100%;font-family:'Inter',sans-serif;text-align:left}
.nav-dd-item:hover{background:#f8fafc}
.nav-dd-item.on{background:#eff6ff}
.nav-dd-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .2s}
.nav-dd-item:hover .nav-dd-icon{opacity:.85}
.nav-dd-icon svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2}
.nav-dd-label{font-size:13px;font-weight:600;color:#374151}
.nav-dd-item.on .nav-dd-label{color:#4f46e5}
.nav-dd-divider{height:1px;background:#f1f5f9;margin:6px 0}
.nav-dd-badge{margin-left:auto;font-size:10px;font-weight:700;padding:2px 8px;border-radius:20px}

/* Top navbar center — date -->
.nav-clock{display:flex;align-items:center;gap:6px;margin-left:16px}
.clock-day{font-size:28px;font-weight:900;color:#1e293b;line-height:1}
.clock-info{display:flex;flex-direction:column;line-height:1.3}
.clock-month{font-size:12px;font-weight:800;color:#64748b;text-transform:uppercase;letter-spacing:.5px}
.clock-year{font-size:12px;font-weight:700;color:#94a3b8}

/* Right side */
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}

/* XP + Streak chips */
.nav-xp-chip{display:flex;align-items:center;gap:6px;background:linear-gradient(135deg,#fef3c7,#fde68a);border:1px solid #fbbf24;padding:6px 14px;border-radius:50px;font-size:13px;font-weight:700;color:#92400e;cursor:pointer;transition:transform .2s}
.nav-xp-chip:hover{transform:scale(1.05)}
.nav-streak-chip{display:flex;align-items:center;gap:5px;background:#fff7ed;border:1px solid #fed7aa;padding:6px 12px;border-radius:50px;font-size:13px;font-weight:700;color:#c2410c}
.nav-streak-chip .fire{font-size:16px}

/* Notification bell */
.nav-notif{position:relative;width:38px;height:38px;background:#f8fafc;border-radius:10px;display:flex;align-items:center;justify-content:center;cursor:pointer;border:none;transition:all .2s}
.nav-notif:hover{background:#eff6ff}
.nav-notif svg{width:20px;height:20px;stroke:#64748b;fill:none;stroke-width:2}
.nav-notif-dot{position:absolute;top:8px;right:8px;width:8px;height:8px;background:#ef4444;border-radius:50%;border:2px solid #fff}

/* User avatar dropdown */
.nav-user-wrap{position:relative}
.nav-user-btn{display:flex;align-items:center;gap:8px;background:none;border:none;cursor:pointer;padding:4px 8px 4px 4px;border-radius:12px;transition:all .2s}
.nav-user-btn:hover{background:#f8fafc}
.nav-av{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:#fff;flex-shrink:0}
.nav-av.adm{background:linear-gradient(135deg,#7c3aed,#4f46e5)}
.nav-av.trn{background:linear-gradient(135deg,#059669,#0d9488)}
.nav-av.xod{background:linear-gradient(135deg,#2563eb,#4f46e5)}
.nav-user-info{text-align:left}
.nav-uname{font-size:13px;font-weight:700;color:#1e293b;line-height:1.2}
.nav-urole{font-size:11px;color:#94a3b8;line-height:1.2}
.nav-user-dropdown{position:absolute;top:calc(100% + 8px);right:0;width:200px;background:#fff;border-radius:14px;border:1px solid #e2e8f0;box-shadow:0 12px 40px rgba(0,0,0,.12);padding:8px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:all .2s;z-index:400}
.nav-user-wrap:hover .nav-user-dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.nav-user-dd-item{display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:8px;cursor:pointer;font-size:13px;font-weight:600;color:#475569;transition:all .15s;border:none;background:none;width:100%;font-family:'Inter',sans-serif;text-align:left}
.nav-user-dd-item:hover{background:#f8fafc;color:#1e293b}
.nav-user-dd-item.danger:hover{background:#fef2f2;color:#dc2626}
.nav-user-dd-item svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;flex-shrink:0}
.nav-user-dd-div{height:1px;background:#f1f5f9;margin:4px 0}

/* ── MAIN CONTENT ── */
.main{flex:1;overflow:hidden;display:flex;flex-direction:column;min-height:0}
.content{padding:28px;flex:1;overflow-y:auto;min-height:0;padding-bottom:60px;box-sizing:border-box}

/* Legacy topbar — o'chirildi, mos qilish uchun */
.topbar{display:none}
.sidebar{display:none}
#msb-open-tab{display:none!important}
#msb-toggle{display:none!important}

/* ══════════════════════════════════════
   DASHBOARD SAHIFASI
══════════════════════════════════════ */
.dash-hero{background:linear-gradient(135deg,#4338ca 0%,#4f46e5 50%,#7c3aed 100%);border-radius:20px;padding:32px;color:#fff;position:relative;overflow:hidden;margin-bottom:24px}
.dash-hero::before{content:'';position:absolute;width:300px;height:300px;background:rgba(255,255,255,.06);border-radius:50%;top:-100px;right:-80px;pointer-events:none}
.dash-hero::after{content:'';position:absolute;width:200px;height:200px;background:rgba(255,255,255,.04);border-radius:50%;bottom:-60px;left:-40px;pointer-events:none}
.dash-hero-inner{position:relative;z-index:1;display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.dash-hero-content{flex:1;min-width:200px}
.dash-hero-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.2);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.25);border-radius:50px;padding:5px 14px;font-size:12px;font-weight:600;margin-bottom:14px}
.dash-hero-title{font-size:22px;font-weight:800;line-height:1.3;margin-bottom:8px}
.dash-hero-sub{font-size:13px;color:rgba(255,255,255,.75);margin-bottom:20px}
.dash-progress-bar{height:8px;background:rgba(255,255,255,.2);border-radius:50px;overflow:hidden;margin-bottom:6px}
.dash-progress-fill{height:100%;background:linear-gradient(90deg,#fbbf24,#f59e0b);border-radius:50px;transition:width .8s ease}
.dash-progress-label{display:flex;justify-content:space-between;font-size:12px;color:rgba(255,255,255,.7);margin-bottom:20px}
.dash-hero-actions{display:flex;gap:10px;flex-wrap:wrap}
.btn-hero-primary{display:flex;align-items:center;gap:8px;background:#fff;color:#4f46e5;border:none;padding:11px 22px;border-radius:12px;font-size:14px;font-weight:700;cursor:pointer;font-family:'Inter',sans-serif;transition:all .2s;box-shadow:0 4px 16px rgba(0,0,0,.15)}
.btn-hero-primary:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(0,0,0,.2)}
.btn-hero-secondary{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.15);color:#fff;border:1px solid rgba(255,255,255,.3);padding:11px 18px;border-radius:12px;font-size:14px;font-weight:600;cursor:pointer;font-family:'Inter',sans-serif;transition:all .2s;backdrop-filter:blur(8px)}
.btn-hero-secondary:hover{background:rgba(255,255,255,.25)}
.dash-hero-media{flex-shrink:0;display:flex;align-items:center;justify-content:center}
.dash-media-card{width:140px;height:120px;background:rgba(255,255,255,.1);border-radius:16px;border:1px solid rgba(255,255,255,.2);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;backdrop-filter:blur(8px)}
.dash-media-card svg{width:36px;height:36px;stroke:#fff;fill:none;stroke-width:1.5}
.dash-media-label{font-size:11px;color:rgba(255,255,255,.8);font-weight:600;text-align:center;padding:0 8px}

/* Streak katak */
.streak-day{display:flex;flex-direction:column;align-items:center;gap:6px;flex:1}
.streak-circle{width:100%;max-width:40px;aspect-ratio:1;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:14px}
.streak-circle.done{background:linear-gradient(135deg,#4f46e5,#7c3aed);box-shadow:0 3px 10px rgba(79,70,229,.3)}
.streak-circle.today{background:linear-gradient(135deg,#f59e0b,#f97316);box-shadow:0 3px 10px rgba(245,158,11,.4);animation:pulse-streak 2s infinite}
.streak-circle.empty{background:#e2e8f0}
.streak-circle svg{width:14px;height:14px;stroke:#fff;fill:none;stroke-width:2.5}
.streak-day-label{font-size:10px;font-weight:600;color:#94a3b8}
.streak-day-label.today{color:#f59e0b;font-weight:700}
@keyframes pulse-streak{0%,100%{box-shadow:0 3px 10px rgba(245,158,11,.4)}50%{box-shadow:0 3px 20px rgba(245,158,11,.6)}}

/* ══════════════════════════════════════
   STATS CARDS
══════════════════════════════════════ */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.stat-card{background:#fff;border-radius:16px;padding:20px;border:1px solid #e2e8f0;transition:all .2s}
.stat-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.08)}
.stat-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;font-size:20px}
.stat-val{font-size:26px;font-weight:800;color:#1e293b}
.stat-lbl{font-size:13px;color:#64748b;margin-top:3px}

/* ══════════════════════════════════════
   KURSLAR
══════════════════════════════════════ */
.filter-tabs{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}
.filter-tab{padding:8px 18px;border-radius:10px;border:2px solid #e2e8f0;background:#fff;font-size:13px;font-weight:600;cursor:pointer;color:#64748b;font-family:'Inter',sans-serif;transition:all .2s}
.filter-tab.on{border-color:#4f46e5;background:#eff6ff;color:#4f46e5}
.filter-tab:hover:not(.on){border-color:#c7d2fe;color:#4f46e5}

.kurslar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;width:100%}
.kurs-card{background:#fff;border-radius:18px;border:1px solid #e2e8f0;overflow:hidden;cursor:pointer;transition:all .25s}
.kurs-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(0,0,0,.1);border-color:#a5b4fc}
.kurs-img{height:165px;background:linear-gradient(135deg,#4338ca,#6366f1);position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;font-size:48px}
.kurs-badge{position:absolute;top:12px;left:12px;padding:4px 12px;border-radius:8px;font-size:12px;font-weight:700;background:rgba(255,255,255,.9);color:#4338ca}
.kurs-body{padding:18px}
.kurs-title{font-size:16px;font-weight:800;color:#1e293b;margin-bottom:6px;line-height:1.4}
.kurs-desc{font-size:13px;color:#64748b;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.kurs-meta{display:flex;gap:12px;margin-top:14px;padding-top:12px;border-top:1px solid #f1f5f9}
.kurs-meta-item{display:flex;align-items:center;gap:5px;font-size:12px;color:#94a3b8}
.kurs-meta-item svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2}

/* Kurs progress bar */
.kurs-pbar-wrap{margin-top:12px}
.kurs-pbar-label{display:flex;justify-content:space-between;font-size:11px;color:#94a3b8;margin-bottom:5px}
.kurs-pbar{height:6px;background:#e2e8f0;border-radius:50px;overflow:hidden}
.kurs-pfill{height:100%;border-radius:50px;background:linear-gradient(90deg,#4f46e5,#7c3aed);transition:width .6s ease}

/* ══════════════════════════════════════
   KURS DETAIL
══════════════════════════════════════ */
.kurs-detail-header{background:#fff;border-radius:18px;border:1px solid #e2e8f0;padding:24px;margin-bottom:20px;display:flex;gap:24px;align-items:flex-start}
.kurs-detail-img{width:220px;height:140px;border-radius:14px;background:linear-gradient(135deg,#4338ca,#6366f1);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:52px}
.kurs-detail-info{flex:1}
.kurs-detail-title{font-size:22px;font-weight:800;color:#1e293b;margin-bottom:10px}
.kurs-detail-desc{font-size:14px;color:#64748b;line-height:1.7;margin-bottom:18px}
.btn-boshlash{padding:12px 28px;background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;border:none;border-radius:12px;font-size:14px;font-weight:700;cursor:pointer;font-family:'Inter',sans-serif;transition:all .2s;display:inline-flex;align-items:center;gap:8px;box-shadow:0 4px 16px rgba(79,70,229,.3)}
.btn-boshlash:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(79,70,229,.4)}
.btn-boshlash svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:2.5}

/* Modul accordion */
.bosqich-header{background:linear-gradient(135deg,#eff6ff,#e0e7ff);border-radius:12px;padding:13px 18px;font-size:14px;font-weight:700;color:#3730a3;margin-bottom:12px;border:1px solid #c7d2fe}
.modul-row{background:#fff;border-radius:14px;border:1px solid #e2e8f0;margin-bottom:8px;overflow:hidden;transition:border-color .2s}
.modul-row:hover{border-color:#a5b4fc}
.modul-head{display:flex;align-items:center;gap:12px;padding:15px 18px;cursor:pointer;transition:background .15s;user-select:none}
.modul-head:hover{background:#f8fafc}
.modul-head-icon{width:34px;height:34px;border-radius:9px;background:#f1f5f9;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.modul-head-icon svg{width:17px;height:17px;stroke:#64748b;fill:none;stroke-width:2}
.modul-head-icon.done{background:#dcfce7}
.modul-head-icon.done svg{stroke:#16a34a}
.modul-head-title{flex:1;font-size:14px;font-weight:600;color:#1e293b}
.modul-head-arrow{width:18px;height:18px;stroke:#94a3b8;fill:none;stroke-width:2;transition:transform .25s}
.modul-head-arrow.open{transform:rotate(180deg)}
.modul-body{border-top:1px solid #f1f5f9}
.lesson-row{display:flex;align-items:center;gap:12px;padding:12px 18px 12px 28px;border-bottom:1px solid #f8fafc;transition:background .15s;cursor:pointer}
.lesson-row:last-child{border-bottom:none}
.lesson-row:hover{background:#f8fafc}
.lesson-icon{width:30px;height:30px;border-radius:50%;border:2px solid #e2e8f0;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.lesson-icon svg{width:14px;height:14px;stroke:#94a3b8;fill:none;stroke-width:2}
.lesson-icon.done{border-color:#22c55e;background:#f0fdf4}
.lesson-icon.done svg{stroke:#16a34a}
.lesson-icon.active{border-color:#f59e0b;background:#fffbeb}
.lesson-num{font-size:11px;color:#94a3b8;font-weight:600;min-width:55px}
.lesson-title{flex:1;font-size:14px;font-weight:500;color:#1e293b}
.lesson-type{display:flex;align-items:center;gap:5px;font-size:12px;color:#94a3b8}
.lesson-type svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:2}

/* ══════════════════════════════════════
   TEST
══════════════════════════════════════ */
.test-stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:22px}
.test-stat-card{background:#fff;border-radius:14px;border:1px solid #e2e8f0;padding:20px}
.test-stat-icon{width:38px;height:38px;border-radius:10px;background:#eff6ff;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.test-stat-icon svg{width:19px;height:19px;stroke:#4f46e5;fill:none;stroke-width:2}
.test-stat-label{font-size:13px;font-weight:600;color:#64748b;margin-bottom:6px}
.test-stat-val{font-size:28px;font-weight:900;color:#1e293b}

.test-layout{display:grid;grid-template-columns:260px 1fr;gap:20px;min-height:calc(100vh - 160px);max-height:none}
.test-sidebar{background:#fff;border-radius:16px;border:1px solid #e2e8f0;padding:20px;height:fit-content;position:sticky;top:88px}
.timer-circle{width:110px;height:110px;margin:0 auto 18px;position:relative}
.timer-circle svg{width:110px;height:110px;transform:rotate(-90deg)}
.timer-circle-bg{fill:none;stroke:#e2e8f0;stroke-width:8}
.timer-circle-fill{fill:none;stroke:#4f46e5;stroke-width:8;stroke-linecap:round;stroke-dasharray:283;stroke-dashoffset:0;transition:stroke-dashoffset .9s linear}
.timer-text{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;color:#1e293b}
.timer-label{text-align:center;font-size:11px;color:#94a3b8;margin-bottom:14px}
.q-nums{display:grid;grid-template-columns:repeat(5,1fr);gap:5px;margin-bottom:18px}
.q-num{width:100%;aspect-ratio:1;border-radius:8px;border:2px solid #e2e8f0;background:#fff;font-size:13px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#475569;transition:all .15s;font-family:'Inter',sans-serif}
.q-num.curr{background:#4f46e5;border-color:#4f46e5;color:#fff}
.q-num.answ{background:#eff6ff;border-color:#a5b4fc;color:#4f46e5}
.btn-finish{width:100%;padding:11px;background:#f8fafc;border:2px solid #e2e8f0;border-radius:12px;font-size:14px;font-weight:700;cursor:pointer;color:#475569;font-family:'Inter',sans-serif;display:flex;align-items:center;justify-content:center;gap:8px;transition:all .2s}
.btn-finish:hover{background:#fef2f2;border-color:#fca5a5;color:#dc2626}
.btn-finish svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:2}

.test-content{background:#fff;border-radius:16px;border:1px solid #e2e8f0;padding:30px}
.savol-num{font-size:12px;font-weight:700;color:#4f46e5;text-transform:uppercase;letter-spacing:1px;margin-bottom:10px}
.savol-text{font-size:19px;font-weight:700;color:#1e293b;line-height:1.5;margin-bottom:6px}
.savol-hint{font-size:13px;color:#94a3b8;margin-bottom:24px}
.variant-btn{width:100%;padding:15px 18px;border:2px solid #e2e8f0;border-radius:13px;background:#fff;text-align:left;display:flex;align-items:center;gap:12px;cursor:pointer;transition:all .18s;margin-bottom:10px;font-family:'Inter',sans-serif}
.variant-btn:hover{border-color:#a5b4fc;background:#f8fafc}
.variant-btn.sel{border-color:#4f46e5;background:#eff6ff}
.variant-btn.ok{border-color:#22c55e;background:#f0fdf4}
.variant-btn.no{border-color:#ef4444;background:#fef2f2}
.variant-letter{width:34px;height:34px;border-radius:9px;background:#f1f5f9;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:#475569;flex-shrink:0}
.variant-btn.sel .variant-letter{background:#4f46e5;color:#fff}
.variant-btn.ok .variant-letter{background:#22c55e;color:#fff}
.variant-btn.no .variant-letter{background:#ef4444;color:#fff}
.variant-text{font-size:15px;font-weight:500;color:#1e293b}
.test-nav{display:flex;align-items:center;justify-content:space-between;margin-top:24px;padding-top:18px;border-top:1px solid #f1f5f9}
.btn-nav{display:flex;align-items:center;gap:8px;padding:10px 20px;border:2px solid #e2e8f0;border-radius:11px;background:#fff;font-size:14px;font-weight:600;cursor:pointer;color:#475569;font-family:'Inter',sans-serif;transition:all .2s}
.btn-nav:hover{border-color:#4f46e5;color:#4f46e5}
.btn-nav svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:2.5}
.btn-nav-primary{background:#4f46e5;border-color:#4f46e5;color:#fff}
.btn-nav-primary:hover{background:#4338ca;border-color:#4338ca;color:#fff}
.q-progress{font-size:14px;font-weight:700;color:#475569}

/* Test intro */
.test-intro{background:linear-gradient(135deg,#312e81 0%,#4f46e5 60%,#7c3aed 100%);border-radius:20px;padding:48px 40px;text-align:center;color:#fff;margin-bottom:24px;position:relative;overflow:hidden}
.test-intro::before{content:'';position:absolute;width:300px;height:300px;background:rgba(255,255,255,.05);border-radius:50%;top:-100px;right:-80px}
.test-intro-title{font-size:24px;font-weight:900;text-transform:uppercase;letter-spacing:.5px;margin-bottom:14px;line-height:1.3;position:relative}
.test-intro-desc{font-size:14px;color:rgba(255,255,255,.8);line-height:1.8;max-width:540px;margin:0 auto 28px;position:relative}
.test-intro-stats{display:flex;justify-content:center;gap:36px;margin-bottom:32px;position:relative}
.ti-stat-v{font-size:30px;font-weight:900;color:#fff}
.ti-stat-l{font-size:12px;color:rgba(255,255,255,.6);margin-top:3px}
.btn-start{padding:14px 44px;background:#fff;color:#4f46e5;border:none;border-radius:13px;font-size:16px;font-weight:800;cursor:pointer;font-family:'Inter',sans-serif;transition:all .2s;box-shadow:0 8px 24px rgba(0,0,0,.2);position:relative}
.btn-start:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,0,0,.3)}

/* Natija */
.result-wrap{text-align:center;padding:36px 16px}
.result-circle{width:130px;height:130px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:30px;font-weight:900;border:8px solid}
.result-grade{font-size:22px;font-weight:900;margin-bottom:8px}
.result-sub{font-size:14px;color:#64748b;margin-bottom:24px;max-width:480px;margin-left:auto;margin-right:auto}
.result-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:380px;margin:0 auto 24px}
.result-card{padding:14px;border-radius:13px;background:#f8fafc;border:1px solid #e2e8f0;text-align:center}
.result-card-v{font-size:24px;font-weight:900}
.result-card-l{font-size:12px;color:#64748b;margin-top:4px}
.result-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}

/* ══════════════════════════════════════
   XODIMLAR
══════════════════════════════════════ */
.xodimlar-table{background:#fff;border-radius:16px;border:1px solid #e2e8f0;overflow:hidden}
.xodimlar-table table{width:100%;border-collapse:collapse}
.xodimlar-table thead th{text-align:left;padding:13px 16px;font-size:12px;font-weight:700;color:#64748b;text-transform:uppercase;letter-spacing:.5px;background:#f8fafc;border-bottom:1px solid #e2e8f0}
.xodimlar-table tbody tr{border-bottom:1px solid #f1f5f9;transition:background .1s}
.xodimlar-table tbody tr:hover{background:#f8fafc}
.xodimlar-table tbody td{padding:13px 16px;font-size:14px;color:#374151}

/* ══════════════════════════════════════
   BADGES
══════════════════════════════════════ */
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:700}
.bg{background:#dcfce7;color:#166534}
.bb{background:#dbeafe;color:#1e40af}
.by{background:#fef3c7;color:#854d0e}
.br{background:#fee2e2;color:#991b1b}
.bz{background:#f1f5f9;color:#475569}
.bp{background:#ede9fe;color:#5b21b6}
.bdg{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:700}

/* ══════════════════════════════════════
   MODAL
══════════════════════════════════════ */
.overlay{display:none;position:fixed;inset:0;background:rgba(15,23,42,.5);backdrop-filter:blur(4px);z-index:300;align-items:center;justify-content:center}
.overlay.open{display:flex}
.modal{background:#fff;border-radius:20px;width:900px;max-width:96vw;max-height:90vh;overflow-y:auto;box-shadow:0 32px 80px rgba(0,0,0,.2)}
.modal-h{padding:20px 24px 15px;border-bottom:1px solid #f1f5f9;display:flex;align-items:center;justify-content:space-between}
.modal-t{font-size:17px;font-weight:700}
.modal-x{width:30px;height:30px;border-radius:8px;border:none;background:#f1f5f9;cursor:pointer;font-size:16px;color:#64748b;display:flex;align-items:center;justify-content:center;transition:all .2s}
.modal-x:hover{background:#fee2e2;color:#dc2626}
.modal-b{padding:18px 24px}
.modal-f{padding:14px 24px;border-top:1px solid #f1f5f9;display:flex;gap:10px;justify-content:flex-end}

/* ══════════════════════════════════════
   FORMS
══════════════════════════════════════ */
.fg2{margin-bottom:15px}
.fg2 label{display:block;font-size:13px;font-weight:600;color:#374151;margin-bottom:6px}
.fg2 input,.fg2 select,.fg2 textarea{width:100%;padding:10px 13px;border:2px solid #e2e8f0;border-radius:10px;font-size:14px;font-family:'Inter',sans-serif;outline:none;transition:all .2s;color:#1e293b}
.fg2 input:focus,.fg2 select:focus,.fg2 textarea:focus{border-color:#4f46e5;box-shadow:0 0 0 3px rgba(79,70,229,.08)}
.fg2 textarea{resize:vertical;min-height:80px}
.fr{display:grid;grid-template-columns:1fr 1fr;gap:13px}

/* ══════════════════════════════════════
   BUTTONS
══════════════════════════════════════ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 20px;border-radius:10px;font-size:14px;font-weight:700;cursor:pointer;border:none;font-family:'Inter',sans-serif;transition:all .2s}
.btn-blue{background:linear-gradient(135deg,#4f46e5,#6366f1);color:#fff;box-shadow:0 2px 8px rgba(79,70,229,.25)}
.btn-blue:hover{background:linear-gradient(135deg,#4338ca,#4f46e5);transform:translateY(-1px);box-shadow:0 4px 16px rgba(79,70,229,.35)}
.btn-green{background:linear-gradient(135deg,#16a34a,#22c55e);color:#fff;box-shadow:0 2px 8px rgba(22,163,74,.25)}
.btn-green:hover{background:linear-gradient(135deg,#15803d,#16a34a);transform:translateY(-1px)}
.btn-red{background:linear-gradient(135deg,#dc2626,#ef4444);color:#fff;box-shadow:0 2px 8px rgba(220,38,38,.25)}
.btn-red:hover{background:linear-gradient(135deg,#b91c1c,#dc2626);transform:translateY(-1px)}
.btn-ghost{background:#f8fafc;color:#475569;border:2px solid #e2e8f0}
.btn-ghost:hover{background:#f1f5f9;border-color:#cbd5e1}
.btn-sm{padding:6px 13px;font-size:12px;border-radius:8px}
.btn-full{width:100%}
.btn-outline-green{background:#f0fdf4;color:#16a34a;border:2px solid #86efac}
.btn-outline-green:hover{background:#dcfce7}

/* ══════════════════════════════════════
   ALERTS
══════════════════════════════════════ */
.alert{padding:12px 15px;border-radius:11px;font-size:14px;margin-bottom:14px;border-left:4px solid}
.ai{background:#eff6ff;border-color:#4f46e5;color:#3730a3}
.as{background:#f0fdf4;border-color:#16a34a;color:#166534}
.aw{background:#fffbeb;border-color:#d97706;color:#92400e}
.ae{background:#fef2f2;border-color:#dc2626;color:#991b1b}

/* ══════════════════════════════════════
   PROFIL
══════════════════════════════════════ */
.profil-card{background:#fff;border-radius:16px;border:1px solid #e2e8f0;padding:26px;margin-bottom:16px}
.profil-header{display:flex;align-items:center;gap:18px;margin-bottom:22px}
.profil-av{width:68px;height:68px;border-radius:16px;background:linear-gradient(135deg,#4f46e5,#7c3aed);display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:800;color:#fff;flex-shrink:0}

/* ══════════════════════════════════════
   KURS EDITOR
══════════════════════════════════════ */
.kurs-ed-header{display:flex;align-items:center;gap:12px;margin-bottom:22px;flex-wrap:wrap}
.modul-item{background:#fff;border-radius:13px;border:1px solid #e2e8f0;margin-bottom:8px;overflow:hidden}
.modul-item-head{display:flex;align-items:center;gap:12px;padding:13px 16px;cursor:pointer;background:#f8fafc;transition:background .15s}
.modul-item-head:hover{background:#f1f5f9}
.modul-item-num{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,#4f46e5,#7c3aed);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;color:#fff;flex-shrink:0}
.modul-item-body{padding:13px 16px;border-top:1px solid #f1f5f9}
.mat-item{display:flex;align-items:center;gap:10px;padding:8px 12px;background:#f8fafc;border-radius:9px;margin-bottom:6px;font-size:13px}

/* ══════════════════════════════════════
   GRID, PROGRESS, MISC
══════════════════════════════════════ */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.pbar{height:5px;background:#e2e8f0;border-radius:50px;overflow:hidden;margin-top:5px}
.pfill{height:100%;border-radius:50px}
.pb{width:100%;height:6px;background:#e2e8f0;border-radius:50px;overflow:hidden;display:block}
.pbf{height:100%;border-radius:50px;background:linear-gradient(90deg,#4f46e5,#7c3aed);transition:width .6s ease;display:block}

/* ══════════════════════════════════════
   TOAST
══════════════════════════════════════ */
#toast{position:fixed;bottom:24px;right:24px;z-index:9999;padding:12px 20px;border-radius:12px;font-size:14px;font-weight:600;opacity:0;transform:translateY(10px);transition:all .25s;pointer-events:none;color:#fff;box-shadow:0 8px 24px rgba(0,0,0,.2)}
#toast.show{opacity:1;transform:translateY(0)}

/* ══════════════════════════════════════
   VAZIYAT TAHLILI
══════════════════════════════════════ */
.vt-tabs{display:flex;gap:0;background:#f1f5f9;border-radius:12px;padding:4px;margin-bottom:22px;width:fit-content}
.vt-tab{padding:9px 22px;border:none;background:none;border-radius:9px;font-size:14px;font-weight:600;cursor:pointer;color:#64748b;transition:all .2s;font-family:'Inter',sans-serif}
.vt-tab.on{background:#fff;color:#4f46e5;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.vt-list{display:grid;gap:14px}
.vt-card{background:#fff;border-radius:14px;border:1px solid #e2e8f0;padding:20px;cursor:pointer;transition:all .2s;display:flex;gap:16px;align-items:center}
.vt-card:hover{border-color:#a5b4fc;box-shadow:0 4px 16px rgba(79,70,229,.08)}
.vt-card-icon{width:52px;height:52px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
.vt-card-title{font-size:16px;font-weight:700;color:#1e293b;margin-bottom:4px}
.vt-card-meta{font-size:12px;color:#64748b;display:flex;gap:12px;flex-wrap:wrap;margin-top:6px}
.vt-card-badge{padding:3px 10px;border-radius:20px;font-size:12px;font-weight:700}

/* Video sinov */
.video-sinov-wrap{display:grid;grid-template-columns:1fr 320px;gap:18px;min-height:580px}
.video-box{background:#0f172a;border-radius:16px;overflow:hidden;position:relative}
.video-box video,.video-box iframe{width:100%;height:100%;min-height:400px;border:none;display:block}
.video-overlay{position:absolute;inset:0;background:rgba(0,0,0,.75);display:flex;align-items:center;justify-content:center;z-index:10}
.video-overlay.hidden{display:none}
.video-savol-box{background:#fff;border-radius:18px;padding:26px;max-width:460px;width:100%;box-shadow:0 24px 60px rgba(0,0,0,.3)}
.video-savol-title{font-size:12px;font-weight:700;color:#4f46e5;text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}
.video-savol-text{font-size:17px;font-weight:700;color:#1e293b;line-height:1.5;margin-bottom:18px}
.video-variant{width:100%;padding:12px 15px;border:2px solid #e2e8f0;border-radius:11px;background:#fff;text-align:left;display:flex;align-items:center;gap:11px;cursor:pointer;margin-bottom:8px;font-family:'Inter',sans-serif;transition:all .15s}
.video-variant:hover{border-color:#a5b4fc;background:#f8fafc}
.video-variant.sel{border-color:#4f46e5;background:#eff6ff}
.video-variant.ok{border-color:#22c55e;background:#f0fdf4}
.video-variant.no{border-color:#ef4444;background:#fef2f2}
.video-variant-letter{width:30px;height:30px;border-radius:8px;background:#f1f5f9;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:#475569;flex-shrink:0}
.video-variant.sel .video-variant-letter{background:#4f46e5;color:#fff}
.video-variant.ok .video-variant-letter{background:#22c55e;color:#fff}
.video-variant.no .video-variant-letter{background:#ef4444;color:#fff}
.video-variant-text{font-size:14px;font-weight:500;color:#1e293b}
.video-progress-bar{height:3px;background:#e2e8f0;margin:0 0 8px;position:relative}
.video-progress-fill{height:100%;background:#4f46e5;transition:width .3s}
.video-time-badge{position:absolute;bottom:10px;left:10px;background:rgba(0,0,0,.6);color:#fff;padding:4px 10px;border-radius:8px;font-size:12px;font-weight:600;z-index:5}

.video-side-panel{background:#fff;border-radius:16px;border:1px solid #e2e8f0;padding:18px;display:flex;flex-direction:column;gap:10px;overflow-y:auto;max-height:calc(100vh - 200px)}
.vsp-header{font-size:15px;font-weight:800;color:#1e293b;margin-bottom:4px}
.vsp-q-item{padding:11px 13px;border-radius:10px;border:2px solid #e2e8f0;cursor:pointer;transition:all .15s}
.vsp-q-item.curr{border-color:#4f46e5;background:#eff6ff}
.vsp-q-item.done-ok{border-color:#22c55e;background:#f0fdf4}
.vsp-q-item.done-no{border-color:#ef4444;background:#fef2f2}
.vsp-q-time{font-size:11px;color:#94a3b8;font-weight:600;margin-bottom:3px}
.vsp-q-text{font-size:12px;font-weight:600;color:#1e293b;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* Keys tahlili */
.matn-sinov-wrap{max-width:820px}

/* ══════════════════════════════════════
   NAZORAT PANELI (kamera)
══════════════════════════════════════ */
#global-nz-panel{position:fixed;top:72px;right:16px;background:#1e293b;color:#fff;border-radius:10px;padding:6px 12px;font-size:11px;z-index:200;display:flex;align-items:center;gap:8px;box-shadow:0 4px 16px rgba(0,0,0,.25);opacity:.93}

/* ══════════════════════════════════════
   KURS O'QISH (kurs.js)
══════════════════════════════════════ */
.klesson-layout{display:grid;grid-template-columns:1fr 300px;gap:20px;min-height:calc(100vh - 140px)}
.klesson-main{background:#fff;border-radius:16px;border:1px solid #e2e8f0;overflow:hidden;display:flex;flex-direction:column}
.klesson-topbar{padding:14px 20px;border-bottom:1px solid #f1f5f9;display:flex;align-items:center;gap:14px;background:#f8fafc}
.klesson-progress-bar{height:4px;background:#e2e8f0;border-radius:50px;flex:1;overflow:hidden}
.klesson-progress-fill{height:100%;background:linear-gradient(90deg,#4f46e5,#7c3aed);border-radius:50px;transition:width .4s ease}
.klesson-sidebar{display:flex;flex-direction:column;gap:14px}
.klesson-details{background:#fff;border-radius:16px;border:1px solid #e2e8f0;padding:18px}

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media(max-width:1200px){.kurslar-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .kurslar-grid{grid-template-columns:1fr}
  .test-layout{grid-template-columns:1fr}
  .test-sidebar{position:static}
  .video-sinov-wrap{grid-template-columns:1fr}
  .video-side-panel{max-height:200px}
  .top-navbar{padding:0 16px}
  .nav-brand-text{display:none}
  .nav-xp-chip,.nav-streak-chip{display:none}
}
@media(max-width:600px){
  .content{padding:16px}
  .grid2{grid-template-columns:1fr}
  .fr{grid-template-columns:1fr}
  .dash-hero{padding:20px}
  .dash-hero-title{font-size:18px}
}

/* Kurs viewer specific */
#pg-b{flex:1;min-height:0;display:flex;flex-direction:column}

/* ══════════════════════════════════════
   KURS O'QISH SAHIFASI (kcourse)
══════════════════════════════════════ */
.kcourse-header{padding:12px 20px;background:#fff;border-bottom:1px solid #e2e8f0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-shrink:0;flex-wrap:wrap}
.kcourse-title{font-size:15px;font-weight:700;color:#1e293b;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:400px}
.kcourse-prog{display:flex;align-items:center;gap:12px;flex-shrink:0}
.kprog-bg{width:120px;height:6px;background:#e2e8f0;border-radius:50px;overflow:hidden}
.kprog-fill{height:100%;background:linear-gradient(90deg,#4f46e5,#7c3aed);border-radius:50px;transition:width .4s}

.kcourse-body{display:flex;flex:1;overflow:hidden;position:relative;min-height:0}
.kcourse-sidebar{width:260px;min-width:200px;background:#fff;border-left:1px solid #e2e8f0;overflow-y:auto;flex-shrink:0;transition:width .25s,min-width .25s,opacity .25s;order:2}
.kcourse-sidebar.collapsed{width:0;min-width:0;border-left:none;overflow:hidden;opacity:0}
.kcontent-area{flex:1;overflow-y:auto;overflow-x:hidden;position:relative;min-width:0;display:flex;flex-direction:column;order:1}
.ksidebar-title{padding:12px 14px 10px;font-size:12px;font-weight:700;color:#1e293b;border-bottom:1px solid #f1f5f9;position:sticky;top:0;background:#fff;z-index:2;display:flex;align-items:center;justify-content:space-between}
.kcontent-area{flex:1;overflow-y:auto;overflow-x:hidden;position:relative;min-width:0;display:flex;flex-direction:column}
.kcontent-area.has-pdf{overflow:hidden}

/* Kurs sidebar nav items */
.kmod-section{padding:10px 12px 4px;font-size:10px;font-weight:700;color:#94a3b8;text-transform:uppercase;letter-spacing:1px}
.kmod-mat-item{display:flex;align-items:center;gap:8px;padding:9px 14px;cursor:pointer;font-size:13px;color:#475569;transition:all .15s;border-left:2px solid transparent}
.kmod-mat-item:hover{background:#f8fafc;color:#1e293b}
.kmod-mat-item.active{background:#eff6ff;color:#4f46e5;border-left-color:#4f46e5;font-weight:600}
.kmod-mat-item.done{color:#94a3b8}
.kmod-mat-item .mat-icon{font-size:14px;flex-shrink:0;width:18px;text-align:center}

/* Kurs nav buttons */
.knav-btns{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-top:1px solid #f1f5f9;background:#fff;flex-shrink:0;gap:10px;flex-wrap:wrap}
.kbtn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:10px;border:2px solid #e2e8f0;background:#fff;font-size:13px;font-weight:600;cursor:pointer;color:#475569;font-family:'Inter',sans-serif;transition:all .2s}
.kbtn:hover:not(:disabled){border-color:#4f46e5;color:#4f46e5}
.kbtn:disabled{opacity:.4;cursor:not-allowed}
.kbtn-primary{background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;border-color:transparent;box-shadow:0 3px 12px rgba(79,70,229,.3)}
.kbtn-primary:hover:not(:disabled){opacity:.9;transform:translateY(-1px)}
.kbtn-outline-green{border-color:#86efac;color:#16a34a;background:#f0fdf4}
.kbtn-outline-green:hover:not(:disabled){background:#dcfce7;border-color:#4ade80}

/* PDF viewer */
.pdf-viewer-wrap{flex:1;display:flex;flex-direction:column;min-height:0}
.pdf-canvas-wrap{flex:1;overflow-y:auto;background:#f1f5f9;padding:20px;display:flex;flex-direction:column;align-items:center;gap:12px}
.pdf-page-canvas{box-shadow:0 4px 24px rgba(0,0,0,.15);border-radius:4px;max-width:100%}
.pdf-toolbar{background:#1e293b;color:#fff;padding:10px 16px;display:flex;align-items:center;justify-content:center;gap:16px;flex-shrink:0;font-size:13px}
.pdf-toolbar button{background:rgba(255,255,255,.15);border:none;color:#fff;padding:5px 12px;border-radius:6px;cursor:pointer;font-family:'Inter',sans-serif;font-size:13px;transition:background .15s}
.pdf-toolbar button:hover{background:rgba(255,255,255,.25)}

/* Kurs AI modal */
.ai-savol-wrap{padding:24px;max-width:640px;margin:0 auto}
.ai-savol-card{background:#fff;border-radius:16px;border:1px solid #e2e8f0;padding:24px}

/* Video sinov wrapper - kurs ichida */
.kvideo-wrap{flex:1;display:grid;grid-template-columns:1fr 300px;gap:0;min-height:0;overflow:hidden}
.kvideo-main{background:#0f172a;position:relative;overflow:hidden}
.kvideo-main video,.kvideo-main iframe{width:100%;height:100%;object-fit:contain}
.kvideo-sidebar{overflow-y:auto;border-left:1px solid #e2e8f0;background:#fff;display:flex;flex-direction:column;gap:8px;padding:14px}

/* ══════════════════════════════════════
   KURS SIDEBAR — Timeline Stepper
══════════════════════════════════════ */
.kmod-header{padding:10px 14px 6px;font-size:11px;font-weight:700;color:#64748b;text-transform:uppercase;letter-spacing:1px;border-bottom:1px solid #f1f5f9;margin-bottom:4px;background:#f8fafc;position:sticky;top:0;z-index:2}
.kmod-section{margin-bottom:4px}

/* Timeline item */
.klesson-item{display:flex;align-items:flex-start;gap:10px;padding:10px 14px 10px 12px;text-decoration:none;color:#374151;font-size:13px;font-weight:500;cursor:pointer;transition:all .15s;position:relative;border-left:3px solid transparent;line-height:1.35}
.klesson-item:hover:not(.locked){background:#f8fafc;border-left-color:#c7d2fe}
.klesson-item.active{background:#eff6ff;border-left-color:#4f46e5;color:#3730a3;font-weight:600}
.klesson-item.locked{opacity:.5;cursor:not-allowed;pointer-events:none}
.klesson-item.test-item{background:#fffbeb;border-left-color:#fbbf24}
.klesson-item.test-item:hover{background:#fef3c7;border-left-color:#f59e0b}

/* Holat ikonkasi */
.kst-icon{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:12px;margin-top:1px}
.kst-done{background:#dcfce7;color:#16a34a;font-weight:700;font-size:11px}
.kst-curr{background:#4f46e5;color:#fff;font-size:10px;animation:kst-pulse 2s infinite}
.kst-empty{background:#f1f5f9;color:#64748b}
@keyframes kst-pulse{0%,100%{box-shadow:0 0 0 0 rgba(79,70,229,.3)}50%{box-shadow:0 0 0 5px rgba(79,70,229,0)}}

/* Sidebar toggle button */
#ksb-toggle-tab{position:absolute;top:14px;right:0;z-index:5;background:#fff;border:1px solid #e2e8f0;border-right:none;border-radius:10px 0 0 10px;width:28px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#64748b;box-shadow:-2px 0 6px rgba(0,0,0,.04);transition:all .2s}
#ksb-toggle-tab:hover{background:#f8fafc;color:#4f46e5}

/* pg-b — kurs sahifasi uchun to'liq balandlik */
.main>.content{display:flex;flex-direction:column}
.ksb-close-btn{background:none;border:none;cursor:pointer;color:#94a3b8;padding:3px;display:flex;align-items:center;border-radius:6px;transition:all .15s}
.ksb-close-btn:hover{color:#ef4444;background:#fee2e2}

/* ==========================================
   UNIVERSAL DEMO: KONSENTRIK BARABAN STYLES
   ========================================== */
#outer-drum {
  box-shadow: 0 10px 25px rgba(79, 70, 229, 0.25);
  background: radial-gradient(circle, #ffffff 0%, #f8fafc 100%);
  will-change: transform;
}

#inner-drum {
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
  background: #ffffff;
  will-change: transform;
}

#spin-btn {
  transition: all 0.2s ease;
}

#spin-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
}

#spin-btn:active {
  transform: translateY(0);
}