@import"https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap";.navbar{position:sticky;top:0;z-index:900;background:#0a0a1ab8;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid transparent;transition:background .3s,border-color .3s,box-shadow .3s}.navbar.scrolled{background:#0a0a1af7;border-bottom-color:var(--border);box-shadow:0 4px 30px #00000080}[data-theme=light] .navbar{background:#f8fafcd1}[data-theme=light] .navbar.scrolled{background:#f8fafcfa;box-shadow:0 4px 24px #0000001a}[data-theme=light] .mobile-menu{background:#f8fafcfc}[data-theme=light] .mobile-backdrop{background:#00000059}[data-theme=light] .mobile-user-strip{background:linear-gradient(135deg,#6366f114,#0099bb0f)}[data-theme=light] .mobile-nav-link:hover{background:#0099bb14}[data-theme=light] .mobile-nav-link.active{background:#0099bb1f;color:var(--primary)}[data-theme=light] .user-dropdown{background:#f8fafcfc;box-shadow:0 8px 32px #00000024}[data-theme=light] .dropdown-item:hover{background:#0000000a}[data-theme=light] .user-menu:hover{background:#0099bb12}.navbar-inner{display:flex;align-items:center;gap:32px;height:68px}.navbar-logo{display:flex;align-items:center;gap:10px;font-family:Space Grotesk,sans-serif;flex-shrink:0;text-decoration:none}.logo-icon{width:36px;height:36px;border-radius:10px;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 0 20px #7c3aed80;flex-shrink:0}.logo-text{font-size:20px;font-weight:800;color:var(--text-primary)}.logo-accent{color:var(--secondary)}.navbar-links{display:flex;align-items:center;gap:4px;flex:1;list-style:none;margin:0;padding:0}.nav-link{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:8px;font-size:14px;font-weight:500;color:var(--text-secondary);transition:var(--transition);text-decoration:none}.nav-link:hover{color:var(--text-primary);background:#8b5cf61a}.nav-link.active{color:var(--primary-light);background:#8b5cf61f}.navbar-right{display:flex;align-items:center;gap:10px;margin-left:auto}.contact-tutor-btn{background:#06b6d41f!important;border-color:#06b6d459!important;color:var(--secondary)!important;animation:pulse-border 2.5s ease-in-out infinite;cursor:pointer}@keyframes pulse-border{0%,to{box-shadow:0 0 #06b6d44d}50%{box-shadow:0 0 0 5px #06b6d414}}.mobile-tutor-icon-btn{display:none;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:#06b6d41f;border:1px solid rgba(6,182,212,.35);color:var(--secondary);position:relative;cursor:pointer;transition:var(--transition);flex-shrink:0}.mobile-tutor-icon-btn:hover{background:#06b6d438;border-color:var(--secondary)}.tutor-pulse-dot{position:absolute;top:2px;right:2px;width:7px;height:7px;border-radius:50%;background:var(--secondary);box-shadow:0 0 6px var(--secondary);animation:pulse-dot 2s ease-in-out infinite}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.4}}.user-menu{display:flex;align-items:center;gap:8px;padding:5px 12px 5px 5px;border-radius:100px;border:1px solid var(--border);cursor:pointer;position:relative;transition:var(--transition);-webkit-user-select:none;user-select:none}.user-menu:hover{border-color:var(--border-hover);background:#8b5cf614}.user-avatar-wrap{position:relative;flex-shrink:0}.user-avatar{width:30px;height:30px;border-radius:50%;object-fit:cover;display:block}.nav-notif-dot{position:absolute;top:0;right:0;width:8px;height:8px;border-radius:50%;background:var(--danger);border:1.5px solid var(--bg-dark);box-shadow:0 0 6px #ff003c99}.user-name{font-size:14px;font-weight:600;color:var(--text-primary);max-width:90px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chevron{transition:transform .25s;color:var(--text-muted)}.chevron.open{transform:rotate(180deg)}.user-dropdown{position:absolute;top:calc(100% + 10px);right:0;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);padding:8px;min-width:210px;box-shadow:0 12px 40px #00000080;animation:dropFadeIn .18s ease;z-index:999}@keyframes dropFadeIn{0%{opacity:0;transform:translateY(-8px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.dropdown-user-info{display:flex;align-items:center;gap:10px;padding:10px 12px 12px}.dropdown-avatar{width:38px;height:38px;border-radius:50%;object-fit:cover;flex-shrink:0;border:1.5px solid rgba(124,58,237,.4)}.dropdown-user-name{font-size:14px;font-weight:700;color:var(--text-primary)}.dropdown-user-role{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--primary-light);margin-top:2px}.dropdown-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;font-size:14px;color:var(--text-secondary);transition:var(--transition);width:100%;text-align:left;background:none;cursor:pointer;text-decoration:none;border:none}.dropdown-item:hover{background:#ffffff0d;color:var(--text-primary)}.dropdown-item.danger:hover{background:#ef44441a;color:var(--danger)}.dropdown-item.danger{color:var(--text-muted)}.dropdown-divider{border:none;border-top:1px solid var(--border);margin:6px 0}.notif-item{color:var(--accent)}.auth-buttons{display:flex;align-items:center;gap:8px}.hamburger{display:none;background:none;border:none;color:var(--text-primary);padding:6px;border-radius:8px;cursor:pointer;transition:background .2s;flex-shrink:0}.hamburger:hover{background:#ffffff0f}.mobile-backdrop{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;z-index:800;opacity:0;transition:opacity .3s;pointer-events:none}.mobile-backdrop.open{opacity:1;pointer-events:auto}.mobile-menu{display:none;flex-direction:column;position:fixed;top:68px;left:0;right:0;z-index:850;background:#0a0a1afa;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid var(--border);max-height:calc(100dvh - 68px);overflow-y:auto;transform:translateY(-10px);opacity:0;pointer-events:none;transition:transform .3s cubic-bezier(.4,0,.2,1),opacity .3s}.mobile-menu.open{transform:translateY(0);opacity:1;pointer-events:auto}.mobile-user-strip{display:flex;align-items:center;gap:14px;padding:18px 20px 14px;background:linear-gradient(135deg,#7c3aed26,#06b6d414);border-bottom:1px solid var(--border);position:relative}.mobile-user-avatar{width:48px;height:48px;border-radius:50%;object-fit:cover;flex-shrink:0;border:2px solid rgba(124,58,237,.5)}.mobile-user-info{flex:1;min-width:0}.mobile-user-name{font-size:15px;font-weight:700;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px}.mobile-user-role{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--primary-light)}.mobile-notif-badge{background:var(--danger);color:#fff;font-size:11px;font-weight:800;min-width:22px;height:22px;border-radius:100px;padding:0 5px;display:flex;align-items:center;justify-content:center;box-shadow:0 0 10px #ff003c80;flex-shrink:0}.mobile-nav-section{display:flex;flex-direction:column;gap:2px;padding:10px 12px}.mobile-nav-divider{border:none;border-top:1px solid var(--border);margin:0}.mobile-nav-link{display:flex;align-items:center;gap:12px;padding:12px;border-radius:10px;font-size:14.5px;font-weight:500;color:var(--text-secondary);transition:background .18s,color .18s;background:none;width:100%;text-align:left;cursor:pointer;text-decoration:none;border:none}.mobile-nav-link:hover{background:#8b5cf61a;color:var(--text-primary)}.mobile-nav-link.active{background:#8b5cf626;color:var(--primary-light);font-weight:700}.mobile-nav-link.danger{color:var(--text-muted)}.mobile-nav-link.danger:hover{background:#ef44441a;color:var(--danger)}.mobile-nav-link.notif{color:var(--accent)}.mobile-nav-icon{width:32px;height:32px;border-radius:8px;background:#ffffff0d;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:inherit}.tutor-nav-icon{background:#06b6d426!important;color:var(--secondary)!important}.mobile-nav-link.active .mobile-nav-icon{background:#8b5cf633}.mobile-nav-link.danger .mobile-nav-icon{background:#ef444414}.mobile-nav-link.notif .mobile-nav-icon{background:#00f0ff14}.mobile-tutor-badge{margin-left:auto;padding:2px 8px;border-radius:100px;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.5px;background:#06b6d426;color:var(--secondary);border:1px solid rgba(6,182,212,.3);animation:pulse-border 2.5s ease-in-out infinite}.mobile-auth-section{gap:10px;padding:16px 12px 20px}.mobile-only{display:none}.desktop-only{display:flex}@media (max-width: 768px){.navbar-links{display:none}.desktop-only{display:none!important}.mobile-only{display:flex!important}.auth-buttons{display:none}.hamburger,.mobile-menu{display:flex}.mobile-backdrop{display:block}}@media (max-width: 480px){.navbar-inner{gap:8px}.user-name{display:none}.logo-text{font-size:17px}.user-menu{padding:4px 6px 4px 4px;gap:4px}}@media (max-width: 360px){.navbar-inner{gap:6px;height:62px}.logo-icon{width:30px;height:30px}.logo-text{font-size:15px}.mobile-menu{top:62px;max-height:calc(100dvh - 62px)}.mobile-tutor-icon-btn{width:32px;height:32px}}@media (max-width: 320px){.navbar-inner{height:56px;gap:4px}.logo-icon{width:26px;height:26px;border-radius:7px}.logo-text{font-size:14px}.hamburger{padding:2px}.hamburger svg{width:20px;height:20px}.user-avatar{width:26px;height:26px}.user-menu{padding:3px 6px 3px 3px}.mobile-tutor-icon-btn{width:30px;height:30px}.mobile-menu{top:56px;max-height:calc(100dvh - 56px)}}.theme-toggle{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--theme-toggle-bg);border:1px solid var(--theme-toggle-border);color:var(--theme-toggle-icon);cursor:pointer;transition:background .25s,border-color .25s,color .25s,transform .2s,box-shadow .25s;flex-shrink:0;position:relative;overflow:hidden}.theme-toggle:hover{color:var(--theme-toggle-icon-hover);border-color:var(--primary);background:#00f0ff14;transform:scale(1.08);box-shadow:0 0 14px #00f0ff33}[data-theme=light] .theme-toggle:hover{background:#0099bb14;box-shadow:0 0 14px #0099bb26}.theme-toggle-icon{display:flex;align-items:center;justify-content:center;animation:themeIconPop .3s cubic-bezier(.34,1.56,.64,1)}@keyframes themeIconPop{0%{transform:scale(.5) rotate(-30deg);opacity:0}to{transform:scale(1) rotate(0);opacity:1}}.mobile-theme-toggle-row{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-top:1px solid var(--border);margin-top:auto}.mobile-theme-toggle-label{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:500;color:var(--text-secondary)}.mobile-theme-label-icon{width:32px;height:32px;border-radius:8px;background:#ffffff0d;display:flex;align-items:center;justify-content:center;color:var(--text-muted)}[data-theme=light] .mobile-theme-label-icon{background:#0000000a}.theme-toggle-pill{position:relative;width:52px;height:28px;border-radius:100px;background:var(--theme-toggle-bg);border:1px solid var(--theme-toggle-border);cursor:pointer;transition:background .3s,border-color 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#a0aab5;--text-muted: #5e6875;--gradient-primary: linear-gradient(135deg, #00f0ff 0%, #0057ff 100%);--gradient-card: linear-gradient(145deg, rgba(20,25,35,.4) 0%, rgba(5,8,12,.8) 100%);--shadow-glow: 0 0 20px rgba(0, 240, 255, .15);--shadow-card: 0 10px 40px rgba(0, 0, 0, .8);--radius: 6px;--radius-lg: 12px;--transition: .3s cubic-bezier(.25, .8, .25, 1);--theme-toggle-bg: rgba(255,255,255,.06);--theme-toggle-border: rgba(255,255,255,.12);--theme-toggle-icon: #a0aab5;--theme-toggle-icon-hover: #00f0ff}[data-theme=light]{--primary: #0099bb;--primary-light: #00b8d9;--primary-dark: #007a96;--secondary: #2563eb;--accent: #e11d48;--success: #16a34a;--danger: #dc2626;--bg-dark: #f0f4f8;--bg-card: rgba(255, 255, 255, .85);--bg-elevated: rgba(248, 250, 252, .97);--border: rgba(0, 0, 0, .09);--border-hover: rgba(0, 153, 187, .45);--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--gradient-primary: linear-gradient(135deg, #0099bb 0%, #2563eb 100%);--gradient-card: 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var(--border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.btn-secondary:hover{border-color:var(--primary);background:#00f0ff0d}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{color:var(--primary);background:#00f0ff0d}.btn-danger{background:transparent;color:var(--danger);border:1px solid var(--danger)}.btn-danger:hover{background:var(--danger);color:#fff;box-shadow:0 0 20px #ff003c66}.btn-sm{padding:8px 16px;font-size:12px}.btn-lg{padding:16px 36px;font-size:16px}.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none;filter:grayscale(1)}.card{background:var(--gradient-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;transition:var(--transition);position:relative;overflow:hidden;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}.card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-glow)}.card:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--primary),transparent);opacity:.2}.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:4px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px}.badge-free{background:#00ff881a;color:var(--success);border:1px solid rgba(0,255,136,.3)}.badge-paid{background:#ff00551a;color:var(--accent);border:1px solid rgba(255,0,85,.3)}.badge-beginner{background:#00ff881a;color:var(--success);border:1px solid rgba(0,255,136,.3)}.badge-intermediate{background:#00f0ff1a;color:var(--primary);border:1px solid 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