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24px;text-align:center}.login-hero{display:flex;flex-direction:column;align-items:center}.logo-glow-wrapper{position:relative;margin-bottom:16px}.login-brand-icon{width:76px;height:76px;border-radius:var(--radius-md);box-shadow:var(--shadow-glow-violet)}.login-title{font-size:2rem;font-weight:800;line-height:1.1;background:linear-gradient(135deg,var(--text-primary),var(--accent-violet-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.login-teacher-tag{font-size:.82rem;font-weight:700;color:var(--accent-amber);text-transform:uppercase;letter-spacing:.1em;margin-top:4px;margin-bottom:12px}.login-description{font-size:.9rem;color:var(--text-secondary);line-height:1.5;max-width:320px}.login-error-badge{display:flex;align-items:center;gap:8px;background:var(--accent-danger-bg);border:1px solid var(--accent-danger-border);color:var(--accent-danger);padding:10px 14px;border-radius:var(--radius-sm);font-size:.82rem;text-align:left}.login-actions{display:flex;flex-direction:column;gap:14px}.btn-google-login{display:flex;align-items:center;justify-content:center;gap:12px;background:var(--bg-surface-elevated);color:var(--text-primary);border:1px solid var(--border-strong);font-size:.95rem;font-weight:600;padding:14px 20px;border-radius:var(--radius-md);box-shadow:var(--shadow-card);transition:all .25s cubic-bezier(.4,0,.2,1)}.btn-google-login:hover{border-color:var(--accent-violet);box-shadow:var(--shadow-glow-violet);transform:translateY(-1px)}.btn-google-login:active{transform:scale(.98)}.google-icon{flex-shrink:0}.login-security-notice{display:flex;align-items:center;justify-content:center;gap:6px;font-size:.75rem;color:var(--text-muted)}.security-icon{color:var(--accent-violet)}.dev-simulation-section{border-top:1px dashed var(--border-subtle);padding-top:16px;margin-top:4px}.toggle-simulations-btn{display:inline-flex;align-items:center;gap:6px;font-size:.75rem;font-weight:600;color:var(--text-muted);padding:6px 12px;border-radius:var(--radius-full);background:var(--bg-surface-elevated)}.toggle-simulations-btn:hover{color:var(--accent-violet)}.simulations-pills-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:12px;animation:fadeIn .2s ease}.sim-btn{display:flex;align-items:center;justify-content:center;gap:6px;padding:8px 10px;border-radius:var(--radius-sm);font-size:.75rem;font-weight:600;border:1px solid var(--border-subtle);background:var(--bg-surface-elevated);color:var(--text-secondary)}.sim-btn.sim-teacher{color:var(--accent-amber);border-color:#f59e0b4d}.sim-btn.sim-active{color:var(--accent-success);border-color:#10b9814d}.sim-btn.sim-inactive{color:var(--accent-violet-light);border-color:#8b5cf64d}.sim-btn.sim-unauthorized{color:var(--accent-danger);border-color:var(--accent-danger-border)}.sim-btn:hover{transform:translateY(-1px);filter:brightness(1.1)}.login-footer{text-align:center;font-size:.72rem;color:var(--text-muted);padding-top:16px}.blocked-screen-container{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;justify-content:space-between;padding:24px 16px;background-color:var(--bg-app);max-width:var(--max-content-width);margin:0 auto;animation:fadeIn .3s ease-out}.blocked-top-bar{display:flex;justify-content:space-between;align-items:center;width:100%}.brand-mini-info{display:flex;align-items:center;gap:8px}.mini-logo{width:28px;height:28px;border-radius:var(--radius-sm)}.mini-brand-name{font-size:.85rem;font-weight:700;color:var(--text-secondary)}.blocked-card{margin:auto 0;display:flex;flex-direction:column;align-items:center;text-align:center;gap:18px;padding:32px 20px}.blocked-icon-wrapper{margin-bottom:4px}.icon-badge{width:72px;height:72px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center}.badge-pause{background:var(--accent-amber-glow);color:var(--accent-amber);border:2px solid rgba(245,158,11,.3);box-shadow:var(--shadow-glow-amber)}.badge-unauthorized{background:var(--accent-danger-bg);color:var(--accent-danger);border:2px solid var(--accent-danger-border)}.blocked-title{font-size:1.45rem;font-weight:800;color:var(--text-primary)}.blocked-text{font-size:.9rem;color:var(--text-secondary);line-height:1.55;max-width:340px}.account-info-box{width:100%;background:var(--bg-surface-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:12px 14px;display:flex;flex-direction:column;gap:4px;text-align:left}.account-info-header{display:flex;align-items:center;gap:6px;font-size:.75rem;color:var(--text-muted)}.account-email{font-size:.88rem;font-weight:700;color:var(--text-primary);word-break:break-all}.account-tip{font-size:.72rem;color:var(--text-muted);line-height:1.3}.blocked-actions{display:flex;flex-direction:column;gap:10px;width:100%;margin-top:6px}.btn-whatsapp-action{display:flex;align-items:center;justify-content:center;gap:10px;background:#25d366;color:#fff;font-weight:700;font-size:.95rem;padding:14px 20px;border-radius:var(--radius-md);box-shadow:0 4px 20px #25d36659;transition:all .2s ease}.btn-whatsapp-action:hover{background:#20ba5a;transform:translateY(-1px)}.btn-whatsapp-action:active{transform:scale(.98)}.btn-switch-account{width:100%}.blocked-footer{text-align:center;font-size:.72rem;color:var(--text-muted);padding-top:16px}:root,:root[data-theme=dark]{--bg-app: #0B0D13;--bg-surface: #131722;--bg-surface-elevated: #1A2030;--bg-surface-glass: rgba(19, 23, 34, .82);--border-subtle: rgba(255, 255, 255, .08);--border-strong: rgba(255, 255, 255, .16);--border-focus: #8B5CF6;--text-primary: #F8FAFC;--text-secondary: #94A3B8;--text-muted: #64748B;--text-inverse: #0B0D13;--accent-violet: #8B5CF6;--accent-violet-hover: #7C3AED;--accent-violet-light: #A78BFA;--accent-violet-glow: rgba(139, 92, 246, .28);--accent-amber: #F59E0B;--accent-amber-hover: #D97706;--accent-amber-light: #FBBF24;--accent-amber-glow: rgba(245, 158, 11, .28);--accent-danger: #EF4444;--accent-danger-bg: rgba(239, 68, 68, .12);--accent-danger-border: rgba(239, 68, 68, .35);--accent-success: #10B981;--accent-success-bg: rgba(16, 185, 129, .12);--shadow-card: 0 8px 32px 0 rgba(0, 0, 0, .37);--shadow-nav: 0 -4px 24px rgba(0, 0, 0, .45);--shadow-glow-violet: 0 0 20px rgba(139, 92, 246, .3);--shadow-glow-amber: 0 0 20px rgba(245, 158, 11, .3);--nav-bg: rgba(11, 13, 19, .92);--header-bg: rgba(11, 13, 19, .85);--status-bar-style: dark}:root[data-theme=light]{--bg-app: #F8FAFC;--bg-surface: #FFFFFF;--bg-surface-elevated: #F1F5F9;--bg-surface-glass: rgba(255, 255, 255, .88);--border-subtle: rgba(15, 23, 42, .08);--border-strong: rgba(15, 23, 42, .16);--border-focus: #7C3AED;--text-primary: #0F172A;--text-secondary: #475569;--text-muted: #94A3B8;--text-inverse: #FFFFFF;--accent-violet: #7C3AED;--accent-violet-hover: #6D28D9;--accent-violet-light: #8B5CF6;--accent-violet-glow: rgba(124, 58, 237, .15);--accent-amber: #D97706;--accent-amber-hover: #B45309;--accent-amber-light: #F59E0B;--accent-amber-glow: rgba(217, 119, 6, .18);--accent-danger: #DC2626;--accent-danger-bg: rgba(220, 38, 38, .08);--accent-danger-border: rgba(220, 38, 38, .25);--accent-success: #059669;--accent-success-bg: rgba(5, 150, 105, .08);--shadow-card: 0 4px 20px -2px rgba(15, 23, 42, .06), 0 2px 6px -1px rgba(15, 23, 42, .03);--shadow-nav: 0 -4px 20px rgba(15, 23, 42, .06);--shadow-glow-violet: 0 4px 16px rgba(124, 58, 237, .2);--shadow-glow-amber: 0 4px 16px rgba(217, 119, 6, .2);--nav-bg: rgba(255, 255, 255, .92);--header-bg: rgba(255, 255, 255, .88);--status-bar-style: light}:root{--font-family-display: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-family-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--max-content-width: 480px;--header-height: 64px;--nav-height: 72px;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--radius-full: 9999px;--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-top: env(safe-area-inset-top, 0px)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;scroll-behavior:smooth;color-scheme:dark light}body{font-family:var(--font-family-body);background-color:var(--bg-app);color:var(--text-primary);min-height:100vh;min-height:100dvh;line-height:1.5;transition:background-color .3s ease,color .3s ease;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-family-display);font-weight:700;line-height:1.25;letter-spacing:-.02em}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;transition:transform .15s ease,opacity .15s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease}button:active{transform:scale(.96)}button:focus-visible{outline:2px solid var(--border-focus);outline-offset:2px}a{color:var(--accent-violet);text-decoration:none}#root{min-height:100vh;min-height:100dvh;display:flex;justify-content:center;background-color:var(--bg-app)}.app-container{width:100%;max-width:var(--max-content-width);min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;position:relative;background-color:var(--bg-app);box-shadow:0 0 50px #0003}.app-loading-center{align-items:center;justify-content:center;padding:24px}.loading-card{display:flex;flex-direction:column;align-items:center;gap:16px;padding:32px 40px;border-radius:var(--radius-lg)}.loading-spinner{color:var(--accent-violet);animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-text{font-size:.9rem;font-weight:600;color:var(--text-secondary)}.main-content{flex:1;padding:calc(var(--header-height) + 16px) 16px calc(var(--nav-height) + var(--safe-bottom) + 24px) 16px;display:flex;flex-direction:column;gap:20px;animation:fadeIn .25s ease-out}.has-simulation-banner .app-header{top:38px}.has-simulation-banner .main-content{padding-top:calc(var(--header-height) + 54px)}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:18px;box-shadow:var(--shadow-card);transition:background-color .3s ease,border-color .3s ease,box-shadow .3s ease}.card-glass{background:var(--bg-surface-glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:18px;box-shadow:var(--shadow-card)}.card-highlight{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--bg-surface-elevated),var(--bg-surface));border:1px solid var(--border-strong)}.card-highlight:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(180deg,var(--accent-violet),var(--accent-amber));border-radius:4px 0 0 4px}.badge{display:inline-flex;align-items:center;gap:6px;font-size:.75rem;font-weight:600;padding:4px 10px;border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.04em}.badge-violet{background:var(--accent-violet-glow);color:var(--accent-violet);border:1px solid rgba(139,92,246,.3)}.badge-amber{background:var(--accent-amber-glow);color:var(--accent-amber);border:1px solid rgba(245,158,11,.3)}.badge-success{background:var(--accent-success-bg);color:var(--accent-success);border:1px solid rgba(16,185,129,.3)}.badge-danger{background:var(--accent-danger-bg);color:var(--accent-danger);border:1px solid var(--accent-danger-border)}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,var(--accent-violet),var(--accent-violet-hover));color:#fff;font-weight:600;padding:12px 20px;border-radius:var(--radius-md);box-shadow:var(--shadow-glow-violet)}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--bg-surface-elevated);color:var(--text-primary);border:1px solid var(--border-strong);font-weight:500;padding:12px 20px;border-radius:var(--radius-md)}.btn-danger-outline{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent-danger-bg);color:var(--accent-danger);border:1px solid var(--accent-danger-border);font-weight:600;padding:8px 14px;border-radius:var(--radius-sm);font-size:.85rem}