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.step-indicator{background:var(--primary);color:#fff;box-shadow:0 0 10px #6366f180}.step-item.completed .step-indicator{background:var(--accent-emerald);color:#fff}.step-divider{background:#ffffff14;flex:1;min-width:20px;height:2px}.chat-container{flex-direction:column;height:calc(100vh - 120px);display:flex}.chat-messages{flex-direction:column;flex:1;gap:1.25rem;padding:1.25rem;display:flex;overflow-y:auto}.chat-bubble{border-radius:var(--radius-lg);max-width:82%;padding:1rem 1.25rem;font-size:.925rem;line-height:1.6;animation:.25s ease-out fadeIn;position:relative}.chat-bubble.student{color:#fff;background:linear-gradient(135deg,#4f46e5,#4338ca);border-bottom-right-radius:4px;align-self:flex-end;box-shadow:0 6px 15px #4f46e533}.chat-bubble.ai{border:1px solid var(--border-subtle);color:var(--text-main);background:#fff;border-bottom-left-radius:4px;align-self:flex-start;box-shadow:0 4px 12px #0f172a0a}.chat-bubble .meta-bar{color:var(--text-dim);justify-content:space-between;align-items:center;gap:.5rem;margin-bottom:.5rem;font-size:.75rem;display:flex}.citation-chip{border-radius:var(--radius-sm);color:#334155;font-family:var(--font-family-mono);cursor:pointer;background:#f1f5f9;border:1px solid #cbd5e1;align-items:center;gap:.25rem;padding:.2rem .5rem;font-size:.72rem;font-weight:700;transition:all .15s;display:inline-flex}.citation-chip:hover{color:#3730a3;background:#e0e7ff;border-color:#a5b4fc;transform:translateY(-1px)}.input-field,.textarea-field{border:1px solid var(--border-strong);border-radius:var(--radius-md);width:100%;color:var(--text-main);background:#fff;outline:none;padding:.85rem 1.15rem;font-family:inherit;font-size:.95rem;transition:border-color .2s,box-shadow .2s;box-shadow:inset 0 2px 4px #0f172a05}.input-field:focus,.textarea-field:focus{border-color:var(--border-focus);box-shadow:0 0 0 4px #4f46e526}.textarea-field{resize:vertical;min-height:90px}.modal-overlay{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:100;background:#000000bf;justify-content:center;align-items:center;padding:1.5rem;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.modal-content{background:var(--bg-card);border:1px solid var(--border-strong);border-radius:var(--radius-lg);width:100%;max-width:650px;max-height:90vh;padding:1.75rem;overflow-y:auto;box-shadow:0 20px 40px #0009}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes pulseGlow{0%,to{box-shadow:0 0 15px #6366f133}50%{box-shadow:0 0 25px #6366f173}}.pulse-target{animation:2.5s infinite pulseGlow}@media print{body{color:#000!important;background:#fff!important}body:before,.app-header,.no-print{display:none!important}.print-only{display:block!important}.card,.card-glass{color:#000!important;box-shadow:none!important;background:#fff!important;border:1px solid #ccc!important}.chat-bubble.student{color:#0f172a!important;background:#f1f5f9!important;border:1px solid #cbd5e1!important}.chat-bubble.ai{color:#0f172a!important;background:#fff!important;border:1px solid #cbd5e1!important}}.gradient-text{background:linear-gradient(135deg,#a5b4fc 0%,#6366f1 50%,#38bdf8 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.gradient-text-amber{background:linear-gradient(135deg,#fcd34d 0%,#f59e0b 50%,#f97316 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.gradient-text-emerald{background:linear-gradient(135deg,#6ee7b7 0%,#10b981 50%,#06b6d4 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.landing-container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.hero-section{text-align:center;padding:4.5rem 0 3.5rem;position:relative;overflow:hidden}.hero-glow-1{pointer-events:none;z-index:0;filter:blur(40px);background:radial-gradient(circle,#4f46e526 0%,#4f46e500 70%);width:650px;height:420px;position:absolute;top:-120px;left:50%;transform:translate(-50%)}.hero-glow-2{pointer-events:none;z-index:0;filter:blur(50px);background:radial-gradient(circle,#0596691a 0%,#05966900 70%);width:400px;height:300px;position:absolute;bottom:0;right:10%}.hero-pill-badge{border-radius:var(--radius-full);color:#6d28d9;background:#f5f3ff;border:1px solid #ddd6fe;align-items:center;gap:.5rem;margin-bottom:1.5rem;padding:.4rem 1rem;font-size:.8rem;font-weight:600;display:inline-flex;box-shadow:0 2px 8px #6d28d914}.hero-title{letter-spacing:-.025em;color:#0f172a;margin-bottom:1.25rem;font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800;line-height:1.15}.hero-subtitle{color:var(--text-muted);max-width:780px;margin:0 auto 2.5rem;font-size:clamp(1rem,2vw,1.2rem);line-height:1.6}.landing-stats-grid{grid-template-columns:repeat(4,1fr);gap:1.25rem;margin:3rem 0;display:grid}.landing-stat-card{border:1px solid var(--border-subtle);border-radius:var(--radius-md);text-align:center;background:#fff;padding:1.25rem;transition:transform .2s,border-color .2s,box-shadow .2s;box-shadow:0 1px 3px #0f172a0a}.landing-stat-card:hover{border-color:var(--border-strong);transform:translateY(-2px);box-shadow:0 4px 12px #0f172a0f}.scenario-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.5rem;margin:2rem 0;display:grid}.landing-scenario-card{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);background:#fff;flex-direction:column;justify-content:space-between;padding:1.75rem;transition:all .25s cubic-bezier(.16,1,.3,1);display:flex;position:relative;overflow:hidden;box-shadow:0 1px 3px #0f172a0a,0 4px 12px -2px #0f172a08}.landing-scenario-card:hover{border-color:#c7d2fe;transform:translateY(-4px);box-shadow:0 16px 32px -8px #4f46e51f,0 4px 12px #0f172a0a}.process-steps-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.25rem;margin:2rem 0;display:grid}.landing-step-card{border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:#fff;padding:1.5rem;transition:all .2s;position:relative;box-shadow:0 2px 8px #0f172a08}.landing-step-card:hover{background:#fff;border-color:#4f46e566;box-shadow:0 8px 25px #0f172a14}.step-number-badge{color:#fff;background:linear-gradient(135deg,#6366f1,#4f46e5);border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;margin-bottom:1rem;font-size:.875rem;font-weight:700;display:flex}.emotions-grid{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:1rem;margin:1.5rem 0;display:grid}.emotion-card{border:1px solid var(--border-subtle);border-radius:var(--radius-md);text-align:center;background:#fff;padding:1rem;transition:all .2s;box-shadow:0 1px 3px #0f172a0a}.emotion-card:hover{border-color:var(--border-strong);transform:translateY(-2px);box-shadow:0 4px 12px #0f172a0f}@media (max-width:768px){.landing-stats-grid{grid-template-columns:repeat(2,1fr)}}