:root{--bg-primary: #0b0f19;--bg-secondary: #111827;--bg-tertiary: #1f293d;--surface-card: rgba(30, 41, 59, .7);--surface-card-hover: rgba(45, 58, 80, .85);--glass-border: rgba(255, 255, 255, .08);--glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, .37);--text-main: #f8fafc;--text-muted: #94a3b8;--text-subtle: #64748b;--accent-primary: #6366f1;--accent-primary-hover: #4f46e5;--accent-light: rgba(99, 102, 241, .15);--accent-cyan: #06b6d4;--accent-emerald: #10b981;--accent-amber: #f59e0b;--accent-rose: #f43f5e;--accent-violet: #8b5cf6;--gradient-brand: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);--gradient-hero: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, .25) 0%, rgba(11, 15, 25, 0) 70%);--gradient-card: linear-gradient(180deg, rgba(255, 255, 255, .03) 0%, rgba(255, 255, 255, 0) 100%);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-spring: .4s cubic-bezier(.175, .885, .32, 1.275)}[data-theme=light]{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-tertiary: #f1f5f9;--surface-card: rgba(255, 255, 255, .85);--surface-card-hover: rgba(255, 255, 255, .98);--glass-border: rgba(0, 0, 0, .08);--glass-shadow: 0 8px 30px rgba(0, 0, 0, .06);--text-main: #0f172a;--text-muted: #475569;--text-subtle: #94a3b8;--accent-light: rgba(99, 102, 241, .08);--gradient-hero: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, .15) 0%, rgba(248, 250, 252, 0) 70%);--gradient-card: linear-gradient(180deg, rgba(255, 255, 255, .9) 0%, rgba(241, 245, 249, .8) 100%)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-primary);color:var(--text-main);line-height:1.6;min-height:100vh;overflow-x:hidden;transition:background-color var(--transition-normal),color var(--transition-normal)}h1,h2,h3,h4,h5,h6{font-family:Outfit,sans-serif;font-weight:700;letter-spacing:-.02em;color:var(--text-main)}a{color:var(--accent-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent-primary-hover)}button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-subtle)}.app-container{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;max-width:1280px;width:100%;margin:0 auto;padding:2rem 1.5rem}.glass-card{background:var(--surface-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:var(--radius-md);box-shadow:var(--glass-shadow);transition:transform var(--transition-normal),border-color var(--transition-normal),box-shadow var(--transition-normal)}.glass-card:hover{border-color:#6366f14d}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.625rem 1.25rem;font-weight:600;font-size:.925rem;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;-webkit-user-select:none;user-select:none}.btn-primary{background:var(--gradient-brand);color:#fff;box-shadow:0 4px 14px #6366f159}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #6366f173;opacity:.95}.btn-secondary{background:var(--bg-tertiary);color:var(--text-main);border:1px solid var(--glass-border)}.btn-secondary:hover{background:var(--surface-card-hover);border-color:#6366f166}.btn-outline{background:transparent;color:var(--accent-primary);border:1px solid var(--accent-primary)}.btn-outline:hover{background:var(--accent-light)}.btn-danger{background:#f43f5e26;color:var(--accent-rose);border:1px solid rgba(244,63,94,.3)}.btn-danger:hover{background:var(--accent-rose);color:#fff}.btn-icon{padding:.5rem;border-radius:var(--radius-md);background:var(--bg-tertiary);color:var(--text-muted);border:1px solid var(--glass-border)}.btn-icon:hover{color:var(--text-main);background:var(--surface-card-hover)}.badge{display:inline-flex;align-items:center;gap:.35rem;padding:.25rem .75rem;font-size:.775rem;font-weight:600;border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.04em}.badge-pdf{background:#f43f5e26;color:var(--accent-rose);border:1px solid rgba(244,63,94,.25)}.badge-notes{background:#6366f126;color:var(--accent-primary);border:1px solid rgba(99,102,241,.25)}.badge-formula{background:#10b98126;color:var(--accent-emerald);border:1px solid rgba(16,185,129,.25)}.badge-qp{background:#f59e0b26;color:var(--accent-amber);border:1px solid rgba(245,158,11,.25)}.badge-summary{background:#8b5cf626;color:var(--accent-violet);border:1px solid rgba(139,92,246,.25)}.form-group{display:flex;flex-direction:column;gap:.4rem;margin-bottom:1.25rem}.form-label{font-size:.875rem;font-weight:600;color:var(--text-muted)}.form-input,.form-select,.form-textarea{width:100%;padding:.75rem 1rem;background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:var(--radius-md);color:var(--text-main);outline:none;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-light)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .35s ease forwards}@keyframes pulseGlow{0%,to{opacity:.4}50%{opacity:.8}}.hero-glow{position:absolute;top:-100px;left:50%;transform:translate(-50%);width:600px;height:350px;background:var(--gradient-brand);filter:blur(120px);opacity:.25;border-radius:50%;pointer-events:none;z-index:0}