@import"https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Quicksand:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap";:root{--color-rose-100: #faf0f1;--color-rose-200: #f5d6d9;--color-rose-300: #e8b4b8;--color-rose-400: #d9969c;--color-rose-500: #c4787f;--color-gold-100: #fdf8f0;--color-gold-200: #f7e8d4;--color-gold-300: #e8d4b8;--color-gold-400: #d4a574;--color-gold-500: #b8894c;--color-dark-900: #0a0612;--color-dark-800: #12080a;--color-dark-700: #1a1014;--color-dark-600: #2a1a20;--color-dark-500: #3a2830;--color-text-primary: #f7e8d4;--color-text-secondary: #c4a4a8;--color-text-muted: #8a7278;--color-success: #9ab89a;--color-success-dark: #7a9a7a;--color-warning: #e8c88c;--color-error: #d88a8a;--gradient-bg: radial-gradient(ellipse at 20% 0%, rgba(232, 180, 184, .08) 0%, transparent 50%), radial-gradient(ellipse at 80% 100%, rgba(212, 165, 116, .06) 0%, transparent 50%), radial-gradient(ellipse at 50% 50%, rgba(180, 140, 180, .04) 0%, transparent 60%), linear-gradient(160deg, #0a0612 0%, #12080a 40%, #1a1014 70%, #0a0612 100%);--gradient-rose: linear-gradient(135deg, var(--color-rose-300) 0%, var(--color-rose-400) 100%);--gradient-gold: linear-gradient(135deg, var(--color-gold-300) 0%, var(--color-gold-400) 100%);--gradient-champagne: linear-gradient(135deg, var(--color-gold-200) 0%, var(--color-rose-200) 100%);--gradient-warm: linear-gradient(135deg, var(--color-gold-400) 0%, var(--color-rose-300) 100%);--gradient-glass: linear-gradient( 135deg, rgba(255, 255, 255, .08) 0%, rgba(255, 255, 255, .03) 100% );--font-display: "Cormorant Garamond", Georgia, "Times New Roman", serif;--font-body: "Quicksand", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", "SF Mono", "Fira Code", monospace;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.2;--line-height-normal: 1.5;--line-height-relaxed: 1.7;--letter-spacing-tight: -.02em;--letter-spacing-normal: 0;--letter-spacing-wide: .05em;--letter-spacing-wider: .1em;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 28px;--radius-full: 9999px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-xl: 0 16px 48px rgba(0, 0, 0, .6);--shadow-glow-rose: 0 0 30px rgba(232, 180, 184, .3);--shadow-glow-gold: 0 0 30px rgba(212, 165, 116, .3);--shadow-glow-warm: 0 0 40px rgba(212, 165, 116, .2), 0 0 60px rgba(232, 180, 184, .15);--border-subtle: 1px solid rgba(232, 180, 184, .12);--border-light: 1px solid rgba(232, 180, 184, .2);--border-accent: 1px solid rgba(212, 165, 116, .3);--ease-smooth: cubic-bezier(.4, 0, .2, 1);--ease-bounce: cubic-bezier(.34, 1.56, .64, 1);--ease-out: cubic-bezier(0, 0, .2, 1);--transition-fast: .15s var(--ease-smooth);--transition-base: .3s var(--ease-smooth);--transition-slow: .5s var(--ease-smooth);--transition-bounce: .5s var(--ease-bounce);--z-base: 0;--z-dropdown: 100;--z-sticky: 200;--z-modal: 1000;--z-overlay: 1100;--z-toast: 1200}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-body);font-weight:var(--font-weight-normal);line-height:var(--line-height-normal);color:var(--color-text-primary);background:var(--gradient-bg);background-attachment:fixed;min-height:100vh;min-height:100dvh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body:before{content:"";position:fixed;inset:0;background-image:radial-gradient(circle at 15% 25%,rgba(247,232,212,.4) 1px,transparent 1px),radial-gradient(circle at 85% 15%,rgba(232,180,184,.3) 1px,transparent 1px),radial-gradient(circle at 45% 80%,rgba(247,232,212,.25) 1px,transparent 1px),radial-gradient(circle at 75% 55%,rgba(212,165,116,.3) 1px,transparent 1px),radial-gradient(circle at 25% 65%,rgba(247,232,212,.2) 1px,transparent 1px),radial-gradient(circle at 90% 85%,rgba(232,180,184,.25) 1px,transparent 1px),radial-gradient(circle at 5% 90%,rgba(247,232,212,.3) 1px,transparent 1px),radial-gradient(circle at 60% 20%,rgba(212,165,116,.2) 1px,transparent 1px);background-size:200px 200px,300px 300px,250px 250px,180px 180px,220px 220px,280px 280px,160px 160px,240px 240px;opacity:.5;pointer-events:none;z-index:-1;animation:twinkle 10s ease-in-out infinite alternate;will-change:opacity}@keyframes twinkle{0%{opacity:.45}to{opacity:.6}}#root{width:100%;min-height:100vh;min-height:100dvh}:focus-visible{outline:2px solid var(--color-gold-400);outline-offset:3px}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--color-gold-400);outline-offset:3px}::selection{background:#e8b4b84d;color:var(--color-text-primary)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#0003}::-webkit-scrollbar-thumb{background:#e8b4b84d;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#e8b4b880}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes glow{0%,to{box-shadow:0 0 20px #e8b4b84d}50%{box-shadow:0 0 40px #d4a57466}}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}body:before{animation:none;opacity:.5}}.step-display{display:flex;flex-direction:column;align-items:center;gap:var(--space-6);padding:var(--space-8);background:linear-gradient(160deg,#0f0814e6,#08040cf2);border-radius:var(--radius-lg);border:1px solid rgba(212,165,116,.12);box-shadow:var(--shadow-xl),inset 0 0 80px #e8b4b805,0 0 60px #d4a5740f;min-height:30rem;justify-content:center}.step-section{display:flex;flex-direction:column;align-items:center;gap:var(--space-4);width:100%;max-width:400px}.step-label{font-family:var(--font-body);font-size:.75rem;font-weight:var(--font-weight-medium);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.15em;opacity:.7;margin:0}.digit-container{display:flex;gap:var(--space-3);justify-content:center}.digit{width:clamp(52px,12vw,68px);height:clamp(64px,14vw,84px);display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:clamp(1.6rem,4vw,2.5rem);font-weight:var(--font-weight-bold);border-radius:var(--radius-md);transition:all var(--transition-base);position:relative;overflow:hidden}.digit:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.1) 0%,transparent 50%);pointer-events:none}.digit:nth-child(1){animation-delay:0s}.digit:nth-child(2){animation-delay:.08s}.digit:nth-child(3){animation-delay:.16s}.digit:nth-child(4){animation-delay:.24s}.digit-input{background:linear-gradient(135deg,#ffffff14,#ffffff0a);border:2px solid rgba(232,180,184,.2);color:var(--color-text-secondary);box-shadow:var(--shadow-sm);animation:digitFadeIn .4s var(--ease-bounce) backwards}.digit-largest{background:linear-gradient(135deg,#d4a57433,#d4a5741a);border:2px solid rgba(212,165,116,.4);color:var(--color-gold-300);box-shadow:var(--shadow-sm),0 0 20px #d4a57426;animation:digitSlideDown .5s var(--ease-bounce) backwards}.digit-smallest{background:linear-gradient(135deg,#e8b4b833,#e8b4b81a);border:2px solid rgba(232,180,184,.4);color:var(--color-rose-300);box-shadow:var(--shadow-sm),0 0 20px #e8b4b826;animation:digitSlideUp .5s var(--ease-bounce) backwards}.digit-result{background:linear-gradient(135deg,#9ab89a40,#9ab89a26);border:2px solid rgba(154,184,154,.5);color:var(--color-success);box-shadow:var(--shadow-sm),0 0 20px #9ab89a33;animation:digitPop .5s var(--ease-bounce) backwards}.digit-final{background:var(--gradient-warm);border:2px solid transparent;color:var(--color-dark-900);box-shadow:var(--shadow-glow-gold),var(--shadow-glow-rose);animation:digitCelebrate .8s ease forwards}.digit-final:after{content:"";position:absolute;inset:-2px;border-radius:var(--radius-md);background:var(--gradient-warm);z-index:-1;filter:blur(10px);animation:glowPulse 1.5s ease-in-out infinite;will-change:opacity}@keyframes glowPulse{0%,to{opacity:.5}50%{opacity:.8}}@keyframes digitFadeIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}@keyframes digitSlideDown{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}@keyframes digitSlideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes digitPop{0%{opacity:0;transform:scale(.5)}60%{transform:scale(1.1)}to{opacity:1;transform:scale(1)}}@keyframes digitCelebrate{0%,to{transform:scale(1) rotate(0)}20%{transform:scale(1.1) rotate(-3deg)}40%{transform:scale(1.1) rotate(3deg)}60%{transform:scale(1.05) rotate(-2deg)}80%{transform:scale(1.05) rotate(2deg)}}.number-value{font-family:var(--font-mono);font-size:1.1rem;font-weight:var(--font-weight-semibold);color:var(--color-text-secondary);letter-spacing:.1em}.calculation{font-family:var(--font-mono);font-size:1.05rem;color:var(--color-text-secondary);padding:var(--space-3) var(--space-4);background:#00000040;border-radius:var(--radius-sm);border:1px solid rgba(154,184,154,.1);margin-top:var(--space-3)}.arrow-down{font-size:1.8rem;color:var(--color-gold-400);opacity:.7;padding:var(--space-3) 0;animation:arrowBounce 2s ease-in-out infinite}@keyframes arrowBounce{0%,to{transform:translateY(0)}50%{transform:translateY(8px)}}.operation-symbol{display:flex;align-items:center;justify-content:center;height:40px;padding:var(--space-2) 0}.operation-line{width:28px;height:3px;background:var(--gradient-rose);border-radius:2px;box-shadow:0 0 16px #e8b4b866;animation:lineAppear .4s var(--ease-bounce) backwards}@keyframes lineAppear{0%{width:0;opacity:0}to{width:28px;opacity:1}}.result-section{position:relative;background:linear-gradient(135deg,#e8b4b814,#d4a57414);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:var(--space-6);border-radius:var(--radius-lg);border:1px solid rgba(212,165,116,.2);box-shadow:var(--shadow-md)}.result-section.final-result:after{content:"";position:absolute;top:50%;left:50%;width:150px;height:150px;border-radius:50%;border:1px solid rgba(212,165,116,.4);transform:translate(-50%,-50%) scale(0);animation:successRipple 1.2s ease-out .6s forwards;pointer-events:none}@keyframes successRipple{0%{transform:translate(-50%,-50%) scale(0);opacity:1}to{transform:translate(-50%,-50%) scale(2.5);opacity:0}}.digit-result:nth-child(1){animation-delay:.4s}.digit-result:nth-child(2){animation-delay:.55s}.digit-result:nth-child(3){animation-delay:.7s}.digit-result:nth-child(4){animation-delay:.85s}@media(max-width:768px){.step-display{padding:var(--space-6);gap:var(--space-5);min-height:420px}.digit{width:52px;height:64px;font-size:1.75rem}.digit-container{gap:var(--space-2)}.step-label{font-size:.8rem}.number-value{font-size:1rem}.calculation{font-size:.9rem}.arrow-down{font-size:1.5rem}.operation-symbol{font-size:2rem}.result-section{padding:var(--space-5)}}@media(max-width:480px){.step-display{padding:var(--space-4);gap:var(--space-4);min-height:380px}.digit{width:46px;height:56px;font-size:1.5rem;border-radius:var(--radius-sm)}.digit-container{gap:var(--space-2)}.step-label{font-size:.75rem}.number-value{font-size:.9rem}.calculation{font-size:.8rem}.arrow-down{font-size:1.25rem}.operation-symbol{font-size:1.75rem}.result-section{padding:var(--space-4)}}@media(max-width:360px){.digit{width:40px;height:50px;font-size:1.35rem}.digit-container{gap:var(--space-1)}.step-display{padding:var(--space-3);min-height:360px}}@media(prefers-reduced-motion:reduce){.digit-input,.digit-largest,.digit-smallest,.digit-result,.digit-final{animation:none}.digit:nth-child(1),.digit:nth-child(2),.digit:nth-child(3),.digit:nth-child(4){animation-delay:0s}.digit-final:after{animation:none}.arrow-down{animation:none}.digit{transition:none}.operation-line{animation:none;width:28px;opacity:1}.result-section.final-result:after{animation:none;display:none}}.kaprekar-visualizer{margin:var(--space-6) 0;padding:var(--space-8);background:transparent;border:none;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none;border-radius:var(--radius-xl);animation:fadeInUp .5s var(--ease-out)}.progress-indicator{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-6);padding-bottom:var(--space-4);border-bottom:1px solid rgba(232,180,184,.15)}.step-counter{font-family:var(--font-display);font-size:1.1rem;font-weight:var(--font-weight-medium);color:var(--color-text-secondary);letter-spacing:var(--letter-spacing-wide)}.convergence-badge{display:inline-flex;align-items:center;gap:var(--space-2);background:linear-gradient(135deg,#e8b4b833,#d4a57433);border:1px solid rgba(212,165,116,.4);color:var(--color-gold-200);padding:var(--space-2) var(--space-4);border-radius:var(--radius-full);font-family:var(--font-body);font-weight:var(--font-weight-bold);font-size:.95rem;letter-spacing:var(--letter-spacing-wide);animation:badgePulse 2s ease-in-out infinite;box-shadow:var(--shadow-glow-gold)}@keyframes badgePulse{0%,to{box-shadow:var(--shadow-glow-gold)}50%{box-shadow:var(--shadow-glow-gold),0 0 40px #e8b4b84d}}.controls{display:flex;justify-content:center;gap:var(--space-4);margin:var(--space-6) 0;flex-wrap:wrap}.btn-control{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);font-family:var(--font-body);font-size:.9rem;font-weight:var(--font-weight-semibold);letter-spacing:var(--letter-spacing-wide);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);background:#ffffff14;color:var(--color-text-secondary);border:1px solid rgba(232,180,184,.2)}.btn-control:hover:not(:disabled){background:#ffffff1f;color:var(--color-text-primary);border-color:#e8b4b866;transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-control:active:not(:disabled){transform:translateY(0)}.btn-control:disabled{opacity:.4;cursor:not-allowed}.btn-play{background:linear-gradient(135deg,var(--color-success) 0%,var(--color-success-dark) 100%);color:var(--color-dark-900);border-color:transparent}.btn-play:hover:not(:disabled){box-shadow:var(--shadow-md),0 0 20px #9ab89a66}.btn-pause{background:linear-gradient(135deg,var(--color-warning) 0%,#d4a574 100%);color:var(--color-dark-900);border-color:transparent}.btn-pause:hover:not(:disabled){box-shadow:var(--shadow-md),0 0 20px #e8c88c66}.step-timeline{display:flex;justify-content:center;gap:var(--space-3);margin-top:var(--space-6);flex-wrap:wrap;padding:var(--space-4);background:#0003;border-radius:var(--radius-lg);position:relative}.step-timeline:before{content:"";position:absolute;top:50%;left:var(--space-6);right:var(--space-6);height:1px;background:linear-gradient(90deg,transparent 0%,rgba(212,165,116,.2) 15%,rgba(212,165,116,.2) 85%,transparent 100%);transform:translateY(-50%);z-index:0}.timeline-dot{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:#ffffff0f;border:2px solid rgba(232,180,184,.15);color:var(--color-text-muted);font-family:var(--font-mono);font-weight:var(--font-weight-semibold);font-size:.85rem;cursor:pointer;transition:all var(--transition-base);position:relative;z-index:1;animation:dotFadeIn .3s var(--ease-bounce) calc(var(--index, 0) * .05s) both}@keyframes dotFadeIn{0%{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}.timeline-dot:hover{background:#ffffff1a;border-color:#e8b4b84d;color:var(--color-text-secondary);transform:scale(1.1)}.timeline-dot.completed{background:linear-gradient(135deg,#d4a5744d,#e8b4b84d);border-color:#d4a57480;color:var(--color-gold-200)}.timeline-dot.active{background:var(--gradient-warm);border-color:transparent;color:var(--color-dark-900);transform:scale(1.2);box-shadow:var(--shadow-glow-gold),0 0 30px #e8b4b84d;z-index:1}.timeline-dot.active:after{content:"";position:absolute;inset:-4px;border-radius:50%;border:2px solid rgba(212,165,116,.4);animation:ringPulse 2s ease-out infinite}@keyframes ringPulse{0%{transform:scale(1);opacity:1}to{transform:scale(1.4);opacity:0}}@media(max-width:768px){.kaprekar-visualizer{padding:var(--space-6);margin:var(--space-4) 0}.progress-indicator{flex-direction:column;align-items:flex-start;gap:var(--space-3);margin-bottom:var(--space-6)}.step-counter{font-size:1rem}.convergence-badge{font-size:.9rem;padding:var(--space-2) var(--space-3)}.controls{flex-direction:column;gap:var(--space-3)}.btn-control{width:100%;justify-content:center;padding:var(--space-3) var(--space-5)}.step-timeline{gap:var(--space-2);padding:var(--space-3);margin-top:var(--space-6)}.timeline-dot{width:40px;height:40px;font-size:.8rem}}@media(max-width:480px){.kaprekar-visualizer{padding:var(--space-4);border-radius:var(--radius-lg)}.step-counter{font-size:.95rem}.convergence-badge{font-size:.85rem}.timeline-dot{width:36px;height:36px;font-size:.75rem}.timeline-dot.active{transform:scale(1.15)}}@media(max-width:360px){.timeline-dot{width:32px;height:32px;font-size:.7rem}.step-timeline{gap:var(--space-1)}}@media(prefers-reduced-motion:reduce){.kaprekar-visualizer,.convergence-badge{animation:none}.timeline-dot{animation:none;transition:none}.timeline-dot.active:after{animation:none;display:none}.btn-control{transition:none}.btn-control:hover:not(:disabled){transform:none}}.input-panel{margin:var(--space-6) 0;padding:var(--space-8);background:linear-gradient(135deg,#ffffff08,#ffffff03);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-radius:var(--radius-xl);border:1px solid rgba(247,232,212,.06);box-shadow:var(--shadow-sm);animation:fadeInUp .5s var(--ease-out) .1s both;position:relative}.input-panel:before{content:"";position:absolute;inset:-1px;border-radius:var(--radius-xl);background:linear-gradient(135deg,rgba(212,165,116,.2) 0%,transparent 30%,transparent 70%,rgba(232,180,184,.2) 100%);opacity:0;transition:opacity var(--transition-base);pointer-events:none;z-index:-1}.input-panel:hover:before{opacity:1}.input-form{width:100%}.input-group{display:flex;flex-direction:column;gap:var(--space-5)}.input-group label{font-family:var(--font-display);font-size:1.15rem;font-weight:var(--font-weight-medium);color:var(--color-gold-200);letter-spacing:var(--letter-spacing-wide);text-align:center}.input-controls{display:flex;gap:var(--space-3);flex-wrap:wrap;justify-content:center;align-items:stretch}.input-controls input{flex:1;min-width:180px;max-width:240px;padding:var(--space-4) var(--space-5);font-family:var(--font-mono);font-size:1.75rem;font-weight:var(--font-weight-semibold);text-align:center;letter-spacing:.4em;color:var(--color-gold-200);background:#0000004d;border:2px solid rgba(212,165,116,.3);border-radius:var(--radius-lg);transition:all var(--transition-base);caret-color:var(--color-gold-400)}.input-controls input::placeholder{color:var(--color-text-muted);opacity:.6;letter-spacing:.2em;font-size:1.2rem}.input-controls input:hover{border-color:#d4a57480;background:#0006}.input-controls input:focus{outline:none;border-color:var(--color-gold-400);background:#0006;box-shadow:0 0 0 4px #d4a57426,var(--shadow-glow-gold)}.input-controls input:placeholder-shown:not(:focus){animation:inputBreathe 4s ease-in-out infinite}@keyframes inputBreathe{0%,to{border-color:#d4a5744d}50%{border-color:#d4a57480}}.input-controls input.error{border-color:var(--color-error);background:#d88a8a1a}.input-controls input:disabled{opacity:.5;cursor:not-allowed}.btn{position:relative;padding:var(--space-3) var(--space-6);font-family:var(--font-body);font-size:.95rem;font-weight:var(--font-weight-semibold);letter-spacing:var(--letter-spacing-wide);border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);overflow:hidden;white-space:nowrap}.btn:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.2) 0%,transparent 50%);opacity:0;transition:opacity var(--transition-fast)}.btn:hover:before{opacity:1}.btn:active:not(:disabled){transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--gradient-warm);color:var(--color-dark-900);border:1px solid rgba(255,255,255,.2);box-shadow:var(--shadow-sm)}.btn-primary:hover:not(:disabled){box-shadow:var(--shadow-glow-gold);transform:translateY(-2px)}.btn-secondary{background:#ffffff14;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--color-gold-300);border:1px solid rgba(212,165,116,.3);font-size:1.5rem;padding:var(--space-3) var(--space-4);min-width:52px}.btn-secondary:hover:not(:disabled){background:#ffffff1f;border-color:var(--color-gold-400);color:var(--color-gold-200);box-shadow:0 0 16px #d4a57433;transform:translateY(-2px)}.btn-tertiary{background:transparent;color:var(--color-text-secondary);border:1px solid rgba(232,180,184,.2)}.btn-tertiary:hover:not(:disabled){background:#e8b4b81a;border-color:#e8b4b866;color:var(--color-rose-300)}.error-message{display:inline-block;color:var(--color-error);background:#d88a8a26;border:1px solid rgba(216,138,138,.3);padding:var(--space-2) var(--space-4);border-radius:var(--radius-sm);font-size:.9rem;font-weight:var(--font-weight-medium);text-align:center;animation:shakeError .4s ease-in-out}@keyframes shakeError{0%,to{transform:translate(0)}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}@media(max-width:768px){.input-panel{padding:var(--space-6);margin:var(--space-4) 0}.input-group label{font-size:1.05rem}.input-controls{gap:var(--space-3)}.input-controls input{min-width:160px;font-size:1.5rem;padding:var(--space-3) var(--space-4)}.btn{padding:var(--space-3) var(--space-5);font-size:.9rem}}@media(max-width:480px){.input-panel{padding:var(--space-5);border-radius:var(--radius-lg)}.input-group{gap:var(--space-4)}.input-group label{font-size:1rem}.input-controls{flex-direction:column;gap:var(--space-3)}.input-controls input{width:100%;max-width:none;min-width:auto;font-size:1.4rem;letter-spacing:.3em;padding:var(--space-3)}.btn{width:100%;padding:var(--space-3) var(--space-4);font-size:.9rem}.btn-secondary{order:-1;font-size:1.3rem}}@media(max-width:360px){.input-panel{padding:var(--space-4)}.input-controls input{font-size:1.25rem;letter-spacing:.25em}.btn{font-size:.85rem}}@media(prefers-reduced-motion:reduce){.input-panel{animation:none}.input-panel:before{transition:none}.error-message{animation:none}.btn,.input-controls input{transition:none}.input-controls input:placeholder-shown:not(:focus){animation:none}.btn:hover:not(:disabled){transform:none}}.app{max-width:900px;margin:0 auto;padding:var(--space-8) var(--space-6);min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}.app-header{text-align:center;margin-bottom:var(--space-10);padding:var(--space-8) 0;animation:fadeInDown .8s var(--ease-out) forwards}.app-header h1{font-family:var(--font-display);font-size:clamp(2rem,6vw,3.5rem);font-weight:var(--font-weight-semibold);letter-spacing:var(--letter-spacing-tight);line-height:var(--line-height-tight);margin-bottom:var(--space-4);background:linear-gradient(135deg,var(--color-gold-200) 0%,var(--color-rose-300) 50%,var(--color-gold-400) 100%);background-size:200% 200%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:shimmer 8s ease-in-out infinite;filter:drop-shadow(0 2px 8px rgba(212,165,116,.3))}.subtitle{font-family:var(--font-body);font-size:clamp(1rem,2.5vw,1.25rem);font-weight:var(--font-weight-normal);color:var(--color-text-secondary);line-height:var(--line-height-relaxed);letter-spacing:var(--letter-spacing-wide)}.app-main{flex:1;display:flex;flex-direction:column;animation:fadeIn 1s var(--ease-smooth) .3s both}.welcome-message{display:flex;justify-content:center;align-items:center;flex:1;padding:var(--space-8) 0}.info-card{background:var(--gradient-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:var(--space-10);border-radius:var(--radius-xl);border:var(--border-subtle);box-shadow:var(--shadow-lg),inset 0 1px #ffffff0d;max-width:560px;width:100%;animation:scaleIn .6s var(--ease-bounce) .4s both;position:relative;overflow:hidden}.info-card:before,.info-card:after{content:"";position:absolute;width:60px;height:60px;border:2px solid transparent;pointer-events:none}.info-card:before{top:-1px;left:-1px;border-top-color:#d4a5744d;border-left-color:#d4a5744d;border-top-left-radius:var(--radius-xl)}.info-card:after{bottom:-1px;right:-1px;border-bottom-color:#e8b4b84d;border-right-color:#e8b4b84d;border-bottom-right-radius:var(--radius-xl)}.info-card h2{font-family:var(--font-display);font-size:clamp(1.5rem,4vw,2rem);font-weight:var(--font-weight-semibold);color:var(--color-gold-200);margin-bottom:var(--space-6);text-align:center;letter-spacing:var(--letter-spacing-wide)}.info-card ol{margin:var(--space-6) 0;padding-left:var(--space-6);color:var(--color-text-secondary);font-size:1.05rem;line-height:var(--line-height-relaxed);list-style:none;counter-reset:steps}.info-card li{position:relative;margin-bottom:var(--space-4);padding-left:var(--space-8);counter-increment:steps;transition:all var(--transition-base);opacity:0;animation:stepReveal .5s var(--ease-out) forwards}.info-card li:nth-child(1){animation-delay:.5s}.info-card li:nth-child(2){animation-delay:.65s}.info-card li:nth-child(3){animation-delay:.8s}.info-card li:nth-child(4){animation-delay:.95s}.info-card li:nth-child(5){animation-delay:1.1s}@keyframes stepReveal{0%{opacity:0;transform:translate(-16px)}to{opacity:1;transform:translate(0)}}.info-card li:before{content:counter(steps);position:absolute;left:0;top:0;width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#d4a57433,#e8b4b833);border:1px solid rgba(212,165,116,.3);border-radius:50%;font-family:var(--font-mono);font-size:.8rem;font-weight:var(--font-weight-semibold);color:var(--color-gold-400)}.info-card li:hover{color:var(--color-text-primary);transform:translate(4px)}.info-card li:hover:before{background:linear-gradient(135deg,#d4a5744d,#e8b4b84d);box-shadow:0 0 12px #d4a5744d}.highlight{background:linear-gradient(135deg,#e8b4b826,#d4a57426);border:1px solid rgba(212,165,116,.3);padding:var(--space-5) var(--space-6);border-radius:var(--radius-lg);text-align:center;font-size:1.1rem;margin-top:var(--space-6);color:var(--color-text-primary);transition:all var(--transition-base)}.highlight strong{color:var(--color-gold-400);font-weight:var(--font-weight-bold)}.highlight:hover{background:linear-gradient(135deg,#e8b4b833,#d4a57433);box-shadow:var(--shadow-glow-warm);transform:translateY(-2px)}.app-footer{text-align:center;padding:var(--space-10) 0 var(--space-6);margin-top:var(--space-10);border-top:1px solid rgba(232,180,184,.1);animation:fadeIn 1s var(--ease-smooth) .8s both}.app-footer p{font-family:var(--font-display);font-size:.95rem;font-style:italic;color:var(--color-text-muted);letter-spacing:var(--letter-spacing-wide);transition:color var(--transition-base)}.app-footer:hover p{color:var(--color-text-secondary)}.loading-easter-egg{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;gap:var(--space-6)}.loading-easter-egg:before{content:"";width:60px;height:60px;border-radius:50%;border:3px solid rgba(232,180,184,.2);border-top-color:var(--color-rose-300);animation:spin 1s linear infinite}.loading-easter-egg:after{content:"Cargando algo especial...";font-family:var(--font-display);font-size:1.1rem;font-style:italic;color:var(--color-text-secondary);letter-spacing:var(--letter-spacing-wide)}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:768px){.app{padding:var(--space-6) var(--space-4)}.app-header{margin-bottom:var(--space-8);padding:var(--space-6) 0}.info-card{padding:var(--space-8)}.info-card ol{font-size:1rem}.highlight{font-size:1rem;padding:var(--space-4) var(--space-5)}}@media(max-width:480px){.app{padding:var(--space-4) var(--space-3)}.app-header{margin-bottom:var(--space-6);padding:var(--space-4) 0}.info-card{padding:var(--space-6);border-radius:var(--radius-lg)}.info-card:before,.info-card:after{width:40px;height:40px}.info-card h2{margin-bottom:var(--space-4)}.info-card ol{font-size:.95rem;padding-left:var(--space-4)}.info-card li{padding-left:var(--space-6);margin-bottom:var(--space-3)}.info-card li:before{width:24px;height:24px;font-size:.75rem}.highlight{font-size:.95rem;padding:var(--space-3) var(--space-4)}.app-footer{padding:var(--space-8) 0 var(--space-4);margin-top:var(--space-8)}.app-footer p{font-size:.85rem}}@media(prefers-reduced-motion:reduce){.app-header,.app-main,.info-card,.app-footer{animation:none;opacity:1;transform:none}.app-header h1{animation:none}.info-card li{animation:none;opacity:1;transform:none}.loading-easter-egg:before{animation:none;border-top-color:var(--color-rose-300);border-right-color:var(--color-rose-300)}}