:root{--bg-app: #0f172a;--bg-card: #1e293b;--bg-card-hover: #334155;--bg-panel: #1e293b;--border-color: #334155;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--color-accent: #4f46e5;--color-accent-glow: rgba(79, 70, 229, .2);--color-success: #10b981;--color-warning: #f59e0b;--font-family: "Inter", system-ui, -apple-system, sans-serif;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--bg-gradient-end: #1e1b4b}:root.light-theme{--bg-app: #f8fafc;--bg-card: #ffffff;--bg-card-hover: #f1f5f9;--bg-panel: #ffffff;--border-color: #e2e8f0;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .05);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .05);--bg-gradient-start: #ffffff;--bg-gradient-end: #f0f9ff}body{margin:0;font-family:var(--font-family);background-color:var(--bg-app);color:var(--text-primary);-webkit-font-smoothing:antialiased}.container{max-width:1280px;margin:0 auto;padding:0 1rem}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.items-start{align-items:flex-start}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-2{gap:.5rem}.gap-4{gap:1rem}.gap-6{gap:1.5rem}.gap-md{gap:1rem}@media(max-width:767px){.gap-md{gap:.5rem}}.flex-grow{flex-grow:1}.grid{display:grid}.grid-cols-2,.grid-cols-1{grid-template-columns:repeat(1,1fr)}@media(min-width:768px){.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-1{grid-template-columns:repeat(3,1fr)}}.text-center{text-align:center}.text-xl{font-size:1.25rem}.text-2xl{font-size:1.5rem}.text-sm{font-size:.875rem}.text-secondary{color:var(--text-secondary)}.text-muted{color:var(--text-muted)}.font-bold{font-weight:700}.font-medium{font-weight:500}.uppercase{text-transform:uppercase}.tracking-wider{letter-spacing:.05em}.leading-relaxed{line-height:1.625}.mb-0{margin-bottom:0}.mb-2{margin-bottom:.5rem}.mb-4{margin-bottom:1rem}.mb-8{margin-bottom:2rem}.mb-12{margin-bottom:3rem}.mt-4{margin-top:1rem}.p-3{padding:.75rem}.p-6{padding:1.5rem}.px-2{padding-left:.5rem;padding-right:.5rem}.pl-0{padding-left:0}.pl-2{padding-left:.5rem}.rounded-xl{border-radius:.75rem}.rounded-full{border-radius:9999px}.max-w-3xl{max-width:48rem}.border-none{border:none}.border-l-4{border-left-width:4px;border-left-style:solid}.border-indigo-500{border-color:#6366f1}.border-blue-500\/20{border-color:#3b82f633}.bg-blue-500\/5{background-color:#3b82f60d}.bg-blue-500\/10{background-color:#3b82f61a}.text-blue-500{color:#3b82f6}.border-amber-500{border-color:#f59e0b}.bg-amber-500\/10{background-color:#f59e0b1a}.min-h-screen{min-height:100vh}.app-header{background-color:var(--bg-panel);border-bottom:1px 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var(--border-color);display:flex;align-items:center;justify-content:center;gap:.5rem;font-weight:600;font-size:.875rem;text-decoration:none;color:var(--text-secondary);transition:background-color .2s}.landing-card-footer.active{color:var(--color-accent)}.landing-card:hover .landing-card-footer.active{background-color:#4f46e51a}.motivation-section{animation:fadeIn .8s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.loading-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;color:var(--text-secondary)}.spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.toast-container{position:fixed;bottom:2rem;right:2rem;z-index:1000;display:flex;flex-direction:column;gap:.75rem;pointer-events:none}.toast{background-color:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-color);padding:1rem 1.5rem;border-radius:.75rem;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:.75rem;min-width:280px;animation:slideIn .3s ease-out forwards;pointer-events:auto}.toast-success{border-left:4px solid var(--color-success)}.toast-error{border-left:4px solid #ef4444}@keyframes slideIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}@media(max-width:767px){.toast-container{bottom:1.5rem;right:1.5rem;left:1.5rem}.toast{min-width:auto}}