@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600&display=swap";
:root{--color-primary:#4f46e5;--color-primary-hover:#4338ca;--color-primary-light:#eef2ff;--color-primary-glow:#4f46e526;--color-accent:#f59e0b;--color-accent-hover:#d97706;--color-accent-light:#fef3c7;--color-success:#10b981;--color-error:#ef4444;--color-warning:#f59e0b;--color-bg:#fafaf9;--color-bg-card:#fff;--color-bg-input:#fff;--color-bg-hover:#f5f5f4;--color-bg-panel:#f8f8f7;--color-text:#1c1917;--color-text-secondary:#78716c;--color-text-muted:#a8a29e;--color-text-inverse:#fff;--color-border:#e7e5e4;--color-border-focus:#4f46e5;--color-divider:#f5f5f4;--font-heading:"Plus Jakarta Sans", system-ui, -apple-system, sans-serif;--font-body:"Inter", system-ui, -apple-system, sans-serif;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.25rem;--text-5xl:3rem;--text-6xl:3.75rem;--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;--space-20:5rem;--space-24:6rem;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 6px -1px #00000012, 0 2px 4px -2px #0000000d;--shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px -4px #0000000a;--shadow-xl:0 20px 25px -5px #0000001a, 0 8px 10px -6px #0000000a;--shadow-glow:0 0 20px #4f46e526;--transition-fast:.15s ease;--transition-base:.25s ease;--transition-slow:.35s ease;--container-max:1200px;--navbar-height:64px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-body);color:var(--color-text);background-color:var(--color-bg);min-height:100vh;line-height:1.6}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.2}a{color:var(--color-primary);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--color-primary-hover)}button{font-family:var(--font-body);cursor:pointer;font-size:var(--text-base);background:0 0;border:none;outline:none}textarea{font-family:var(--font-body);font-size:var(--text-base);resize:none}.container{max-width:var(--container-max);padding:0 var(--space-6);margin:0 auto}.sr-only{clip:rect(0, 0, 0, 0);border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.btn{justify-content:center;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);border-radius:var(--radius-md);font-weight:600;font-size:var(--text-sm);transition:all var(--transition-fast);white-space:nowrap;display:inline-flex}.btn-primary{background:var(--color-primary);color:var(--color-text-inverse);box-shadow:var(--shadow-md), 0 0 0 0 var(--color-primary-glow)}.btn-primary:hover{background:var(--color-primary-hover);box-shadow:var(--shadow-lg), 0 0 20px var(--color-primary-glow);transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--color-bg-card);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-bg-hover);border-color:var(--color-primary)}.btn-accent{background:linear-gradient(135deg, var(--color-primary), #7c3aed);color:var(--color-text-inverse);box-shadow:var(--shadow-lg);font-size:var(--text-base);padding:var(--space-4) var(--space-8)}.btn-accent:hover{box-shadow:var(--shadow-xl), 0 0 30px #4f46e54d;transform:translateY(-2px)}.btn-ghost{color:var(--color-text-secondary);background:0 0}.btn-ghost:hover{background:var(--color-bg-hover);color:var(--color-text)}.btn-icon{border-radius:var(--radius-md);justify-content:center;align-items:center;width:40px;height:40px;padding:0;display:inline-flex}.btn-icon:hover{background:var(--color-bg-hover)}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-100%)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(1.05)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes typing{0%{width:0}to{width:100%}}@keyframes blink{0%,50%{border-color:#0000}51%,to{border-color:var(--color-primary)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.animate-fade-in{animation:.4s forwards fadeIn}.animate-slide-up{animation:.3s forwards slideUp}.animate-pulse{animation:2s ease-in-out infinite pulse}.animate-float{animation:3s ease-in-out infinite float}.skeleton{background:linear-gradient(90deg, var(--color-bg-hover) 25%, var(--color-divider) 50%, var(--color-bg-hover) 75%);border-radius:var(--radius-sm);background-size:200% 100%;animation:1.5s ease-in-out infinite shimmer}.toast{bottom:var(--space-8);background:var(--color-text);color:var(--color-text-inverse);padding:var(--space-3) var(--space-6);border-radius:var(--radius-full);font-size:var(--text-sm);z-index:1000;opacity:0;transition:all var(--transition-base);pointer-events:none;font-weight:500;position:fixed;left:50%;transform:translate(-50%)translateY(100px)}.toast.show{opacity:1;transform:translate(-50%)translateY(0)}.navbar{height:var(--navbar-height);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);z-index:100;background:#fafaf9d9;align-items:center;display:flex;position:fixed;top:0;left:0;right:0}.navbar-inner{width:100%;max-width:var(--container-max);padding:0 var(--space-6);justify-content:space-between;align-items:center;margin:0 auto;display:flex}.navbar-logo{align-items:center;gap:var(--space-2);font-family:var(--font-heading);font-weight:800;font-size:var(--text-xl);color:var(--color-text);display:flex}.navbar-logo-icon{background:linear-gradient(135deg, var(--color-primary), #7c3aed);border-radius:var(--radius-sm);color:#fff;width:32px;height:32px;font-size:var(--text-sm);justify-content:center;align-items:center;display:flex}.navbar-actions{align-items:center;gap:var(--space-3);display:flex}.navbar-credits{align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);background:var(--color-primary-light);border-radius:var(--radius-full);font-size:var(--text-sm);color:var(--color-primary);font-weight:600;display:flex}.navbar-avatar{border-radius:var(--radius-full);background:linear-gradient(135deg, var(--color-primary), #7c3aed);color:#fff;width:36px;height:36px;font-weight:600;font-size:var(--text-sm);justify-content:center;align-items:center;display:flex}.hero{padding-top:calc(var(--navbar-height) + var(--space-20));padding-bottom:var(--space-20);text-align:center;position:relative;overflow:hidden}.hero:before{content:"";background:radial-gradient(circle, var(--color-primary-glow) 0%, transparent 70%);pointer-events:none;z-index:0;width:800px;height:800px;position:absolute;top:0;left:50%;transform:translate(-50%)}.hero-content{z-index:1;position:relative}.hero-badge{align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);background:var(--color-primary-light);border-radius:var(--radius-full);font-size:var(--text-sm);color:var(--color-primary);margin-bottom:var(--space-6);font-weight:600;animation:.5s fadeIn;display:inline-flex}.hero-title{font-size:var(--text-5xl);margin-bottom:var(--space-6);font-weight:800;line-height:1.1;animation:.6s fadeIn}.hero-title-highlight{background:linear-gradient(135deg, var(--color-primary), #7c3aed);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hero-subtitle{font-size:var(--text-xl);color:var(--color-text-secondary);max-width:560px;margin:0 auto var(--space-10);line-height:1.6;animation:.7s fadeIn}.hero-cta-group{justify-content:center;align-items:center;gap:var(--space-4);animation:.8s fadeIn;display:flex}.demo-section{padding:var(--space-16) 0}.demo-panel{background:var(--color-bg-card);border-radius:var(--radius-lg);border:1px solid var(--color-border);max-width:900px;box-shadow:var(--shadow-xl);margin:0 auto;animation:.9s fadeIn;overflow:hidden}.demo-panel-header{align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);background:var(--color-bg-panel);border-bottom:1px solid var(--color-border);display:flex}.demo-panel-dot{border-radius:var(--radius-full);width:12px;height:12px}.demo-panel-dot:first-child{background:#ef4444}.demo-panel-dot:nth-child(2){background:#f59e0b}.demo-panel-dot:nth-child(3){background:#10b981}.demo-panel-body{grid-template-columns:1fr 1fr;min-height:280px;display:grid}.demo-panel-left,.demo-panel-right{padding:var(--space-6)}.demo-panel-left{border-right:1px solid var(--color-border)}.demo-panel-label{font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);margin-bottom:var(--space-4);align-items:center;gap:var(--space-2);font-weight:600;display:flex}.demo-text{font-size:var(--text-base);color:var(--color-text);line-height:1.8}.demo-text-broken{color:var(--color-text-secondary)}.demo-text-fixed{color:var(--color-text);font-weight:500}.demo-text-highlight{background:var(--color-accent-light);border-radius:3px;padding:1px 4px}.demo-panel-blur{position:relative}.demo-panel-blur:after{content:"";pointer-events:none;background:linear-gradient(#0000 20%,#fffffff2 100%);position:absolute;inset:0}.demo-cta-overlay{bottom:var(--space-6);z-index:1;position:absolute;left:50%;transform:translate(-50%)}.walkthrough{padding:var(--space-24) 0;background:var(--color-bg-card);border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}.section-title{font-size:var(--text-3xl);text-align:center;margin-bottom:var(--space-4)}.section-subtitle{font-size:var(--text-lg);color:var(--color-text-secondary);text-align:center;margin-bottom:var(--space-16)}.walkthrough-steps{gap:var(--space-8);grid-template-columns:repeat(3,1fr);max-width:900px;margin:0 auto;display:grid}.walkthrough-step{text-align:center;padding:var(--space-8) var(--space-6);border-radius:var(--radius-lg);background:var(--color-bg);border:1px solid var(--color-border);transition:all var(--transition-base)}.walkthrough-step:hover{border-color:var(--color-primary);box-shadow:var(--shadow-lg);transform:translateY(-4px)}.walkthrough-step-icon{width:64px;height:64px;margin:0 auto var(--space-4);background:var(--color-primary-light);border-radius:var(--radius-lg);font-size:var(--text-2xl);justify-content:center;align-items:center;display:flex}.walkthrough-step-number{font-size:var(--text-xs);color:var(--color-primary);text-transform:uppercase;letter-spacing:.1em;margin-bottom:var(--space-2);font-weight:700}.walkthrough-step-title{font-size:var(--text-lg);margin-bottom:var(--space-2);font-weight:700}.walkthrough-step-desc{font-size:var(--text-sm);color:var(--color-text-secondary);line-height:1.5}.pricing{padding:var(--space-24) 0}.pricing-grid{gap:var(--space-6);grid-template-columns:repeat(3,1fr);max-width:900px;margin:0 auto;display:grid}.pricing-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-8);text-align:center;transition:all var(--transition-base);position:relative}.pricing-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-lg);transform:translateY(-4px)}.pricing-card-popular{border-color:var(--color-primary);box-shadow:var(--shadow-glow)}.pricing-card-popular:before{content:"Most Popular";background:linear-gradient(135deg, var(--color-primary), #7c3aed);color:#fff;padding:var(--space-1) var(--space-4);border-radius:var(--radius-full);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.05em;font-weight:700;position:absolute;top:-12px;left:50%;transform:translate(-50%)}.pricing-credits{font-size:var(--text-4xl);font-weight:800;font-family:var(--font-heading);color:var(--color-primary);margin-bottom:var(--space-1)}.pricing-credits-label{font-size:var(--text-sm);color:var(--color-text-muted);margin-bottom:var(--space-6)}.pricing-price{font-size:var(--text-2xl);margin-bottom:var(--space-2);font-weight:700}.pricing-per-credit{font-size:var(--text-sm);color:var(--color-text-secondary);margin-bottom:var(--space-6)}.pricing-features{margin-bottom:var(--space-8);text-align:left;list-style:none}.pricing-features li{padding:var(--space-2) 0;font-size:var(--text-sm);color:var(--color-text-secondary);align-items:center;gap:var(--space-2);display:flex}.pricing-features li:before{content:"✓";color:var(--color-success);font-weight:700}.footer{padding:var(--space-12) 0;border-top:1px solid var(--color-border);text-align:center}.footer-text{font-size:var(--text-sm);color:var(--color-text-muted)}.demo-animated{margin-top:var(--space-8)}.demo-steps-indicator{margin-bottom:var(--space-6);justify-content:center;align-items:center;gap:0;display:flex}.demo-step-dot{align-items:center;gap:var(--space-1);opacity:.35;flex-direction:column;transition:all .4s;display:flex}.demo-step-dot.active{opacity:1}.demo-step-dot.current .demo-step-dot-num{background:var(--color-primary);color:#fff;box-shadow:0 0 12px var(--color-primary-glow)}.demo-step-dot-num{width:32px;height:32px;font-size:var(--text-sm);background:var(--color-bg-card);border:2px solid var(--color-border);color:var(--color-text-secondary);border-radius:50%;justify-content:center;align-items:center;font-weight:700;transition:all .4s;display:flex}.demo-step-dot-label{font-size:var(--text-xs);color:var(--color-text-muted);font-weight:600}.demo-step-line{background:var(--color-border);width:48px;height:2px;margin:0 var(--space-2);margin-bottom:var(--space-5)}.demo-tone-bar{gap:var(--space-2);padding:var(--space-2) var(--space-4);border-bottom:1px solid var(--color-divider);display:flex}.demo-tone-chip{padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);font-size:var(--text-xs);background:var(--color-bg);color:var(--color-text-muted);border:1px solid #0000;font-weight:600;transition:all .3s}.demo-tone-chip.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.demo-tone-chip.pulse{animation:.4s tonePulse}@keyframes tonePulse{0%{transform:scale(1)}50%{transform:scale(1.1)}to{transform:scale(1)}}.demo-input-footer{padding:var(--space-2) var(--space-4);border-top:1px solid var(--color-divider);justify-content:space-between;align-items:center;display:flex}.demo-word-count{font-size:var(--text-xs);color:var(--color-text-muted)}.demo-retype-btn{align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-4);background:linear-gradient(135deg, var(--color-primary), #7c3aed);color:#fff;border-radius:var(--radius-md);font-size:var(--text-xs);cursor:default;box-shadow:var(--shadow-sm);border:none;font-weight:700;transition:all .15s;display:inline-flex}.demo-btn-press{box-shadow:none;transform:scale(.93)}.demo-cursor{color:var(--color-primary);font-weight:300;animation:none}.demo-cursor.invisible{opacity:0}.demo-text-placeholder{color:var(--color-text-muted);opacity:.5;font-style:italic}.demo-result-text{animation:.5s fadeInUp}@keyframes fadeInUp{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.demo-diff-highlight{color:var(--color-text);background:#2ea04326;border-bottom:2px solid #2ea04380;border-radius:3px;padding:1px 3px}.demo-explanation{align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);border-top:1px solid var(--color-divider);font-size:var(--text-xs);color:var(--color-text-secondary);animation:.4s fadeInUp;display:flex}.demo-explanation-icon{font-size:var(--text-sm)}.app-layout{padding-top:var(--navbar-height);flex-direction:column;min-height:100vh;display:flex}.app-main{padding:var(--space-6);max-width:var(--container-max);flex-direction:column;flex:1;width:100%;margin:0 auto;display:flex}.tone-dropdown-wrapper{align-items:center;display:inline-flex;position:relative}.tone-dropdown{appearance:none;padding:var(--space-1) var(--space-8) var(--space-1) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-full);font-size:var(--text-xs);font-weight:600;font-family:var(--font-body);color:var(--color-primary);background:var(--color-primary-light);cursor:pointer;transition:all var(--transition-fast);outline:none}.tone-dropdown:hover{border-color:var(--color-primary);box-shadow:var(--shadow-sm)}.tone-dropdown:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-glow)}.tone-dropdown-icon{pointer-events:none;color:var(--color-primary);position:absolute;right:8px}.correction-container{flex-direction:column;flex:1;gap:0;display:flex}.dual-panel{background:var(--color-bg-card);border-radius:var(--radius-lg) var(--radius-lg) 0 0;border:1px solid var(--color-border);border-bottom:none;flex:1;grid-template-columns:1fr 1fr;min-height:350px;display:grid;overflow:hidden}.panel{flex-direction:column;display:flex}.panel-left{border-right:1px solid var(--color-border)}.panel-header{padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--color-divider);justify-content:space-between;align-items:center;min-height:44px;display:flex}.panel-label{font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);align-items:center;gap:var(--space-2);font-weight:600;display:flex}.panel-actions{align-items:center;gap:var(--space-1);display:flex}.panel-body{padding:var(--space-4);flex:1;position:relative}.panel-textarea{width:100%;height:100%;min-height:200px;color:var(--color-text);font-size:var(--text-base);resize:none;background:0 0;border:none;outline:none;line-height:1.8}.panel-textarea::placeholder{color:var(--color-text-muted)}.panel-output{font-size:var(--text-base);color:var(--color-text);white-space:pre-wrap;line-height:1.8}.panel-output-empty{color:var(--color-text-muted);font-style:italic}.diff-highlight{color:var(--color-text);cursor:help;transition:background var(--transition-fast);background:#2ea04326;border-bottom:2px solid #2ea04380;border-radius:3px;padding:1px 3px;position:relative}.diff-highlight:hover{background:#2ea0434d}.panel-footer{padding:var(--space-3) var(--space-4);border-top:1px solid var(--color-divider);justify-content:space-between;align-items:center;display:flex}.word-count{font-size:var(--text-xs);color:var(--color-text-muted)}.credit-cost{font-size:var(--text-xs);color:var(--color-primary);font-weight:600}.panel-footer-actions{align-items:center;gap:var(--space-2);display:flex}.btn-polish{display:none}.btn-retype{justify-content:center;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-5);background:linear-gradient(135deg, var(--color-primary), #7c3aed);color:var(--color-text-inverse);border-radius:var(--radius-md);font-weight:700;font-size:var(--text-sm);letter-spacing:.02em;transition:all var(--transition-fast);box-shadow:var(--shadow-md);cursor:pointer;border:none;display:inline-flex}.btn-retype:hover:not(:disabled){box-shadow:var(--shadow-lg), 0 0 24px var(--color-primary-glow);transform:translateY(-1px)}.btn-retype:active:not(:disabled){transform:translateY(0)}.btn-retype:disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none}.btn-mic{border-radius:var(--radius-full);border:1px solid var(--color-border);width:36px;height:36px;color:var(--color-text-secondary);transition:all var(--transition-fast);justify-content:center;align-items:center;display:inline-flex}.btn-mic:hover{border-color:var(--color-primary);color:var(--color-primary);background:var(--color-primary-light)}.btn-mic.recording{border-color:var(--color-error);color:var(--color-error);background:#fef2f2;animation:1.5s ease-in-out infinite pulse}.explanation-bar{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:0 0 var(--radius-lg) var(--radius-lg);border-top:none;overflow:hidden}.explanation-header{padding:var(--space-3) var(--space-4);cursor:pointer;transition:background var(--transition-fast);justify-content:space-between;align-items:center;display:flex}.explanation-header:hover{background:var(--color-bg-hover)}.explanation-title{align-items:center;gap:var(--space-2);font-size:var(--text-sm);color:var(--color-text);font-weight:600;display:flex}.explanation-toggle{font-size:var(--text-sm);color:var(--color-primary);align-items:center;gap:var(--space-1);font-weight:600;display:flex}.explanation-body{padding:0 var(--space-4) var(--space-4);max-height:0;transition:max-height var(--transition-base), padding var(--transition-base);overflow:hidden}.explanation-body.open{max-height:500px;padding:var(--space-2) var(--space-4) var(--space-4)}.explanation-list{gap:var(--space-2);flex-direction:column;list-style:none;display:flex}.explanation-item{align-items:flex-start;gap:var(--space-3);padding:var(--space-3);background:var(--color-bg);border-radius:var(--radius-sm);font-size:var(--text-sm);line-height:1.5;display:flex}.explanation-item-category{padding:2px var(--space-2);border-radius:var(--radius-sm);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.025em;white-space:nowrap;font-weight:600;display:inline-flex}.category-spelling{color:#92400e;background:#fef3c7}.category-grammar{color:#3730a3;background:#eef2ff}.category-word_choice{color:#166534;background:#f0fdf4}.category-punctuation{color:#9f1239;background:#fff1f2}.category-sentence_structure{color:#075985;background:#f0f9ff}.category-tone_adjustment{color:#6b21a8;background:#faf5ff}.explanation-item-change{color:var(--color-text-secondary)}.explanation-item-change strong{color:var(--color-text)}.explanation-ask-btn{margin-top:var(--space-3);font-size:var(--text-sm);color:var(--color-primary);align-items:center;gap:var(--space-1);cursor:pointer;padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);transition:background var(--transition-fast);font-weight:600;display:flex}.explanation-ask-btn:hover{background:var(--color-primary-light)}.feedback-overlay{z-index:200;opacity:0;pointer-events:none;transition:opacity var(--transition-base);background:#0000004d;position:fixed;inset:0}.feedback-overlay.open{opacity:1;pointer-events:all}.feedback-drawer{background:var(--color-bg-card);border-radius:var(--radius-xl) var(--radius-xl) 0 0;z-index:201;max-height:50vh;transition:transform var(--transition-base);flex-direction:column;display:flex;position:fixed;bottom:0;left:0;right:0;transform:translateY(100%);box-shadow:0 -10px 40px #0000001a}.feedback-drawer.open{transform:translateY(0)}.feedback-drawer-handle{background:var(--color-border);border-radius:var(--radius-full);width:40px;height:4px;margin:var(--space-3) auto}.feedback-drawer-header{padding:0 var(--space-6) var(--space-3);border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;display:flex}.feedback-drawer-title{font-size:var(--text-base);font-weight:700}.feedback-drawer-count{font-size:var(--text-xs);color:var(--color-text-muted)}.feedback-messages{padding:var(--space-4) var(--space-6);gap:var(--space-3);flex-direction:column;flex:1;display:flex;overflow-y:auto}.feedback-message{padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);font-size:var(--text-sm);max-width:85%;line-height:1.5}.feedback-message-user{background:var(--color-primary);color:var(--color-text-inverse);border-bottom-right-radius:var(--space-1);align-self:flex-end}.feedback-message-ai{background:var(--color-bg);color:var(--color-text);border-bottom-left-radius:var(--space-1);align-self:flex-start}.feedback-input-area{align-items:center;gap:var(--space-3);padding:var(--space-4) var(--space-6);border-top:1px solid var(--color-border);display:flex}.feedback-input{padding:var(--space-3) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--text-sm);transition:border-color var(--transition-fast);outline:none;flex:1}.feedback-input:focus{border-color:var(--color-primary)}.feedback-input:disabled{opacity:.5;cursor:not-allowed}.feedback-send-btn{border-radius:var(--radius-md);background:var(--color-primary);width:40px;height:40px;color:var(--color-text-inverse);transition:all var(--transition-fast);justify-content:center;align-items:center;display:flex}.feedback-send-btn:hover{background:var(--color-primary-hover)}.feedback-send-btn:disabled{opacity:.5;cursor:not-allowed}.feedback-limit-msg{text-align:center;padding:var(--space-4);font-size:var(--text-sm);color:var(--color-text-muted)}.loading-dots{align-items:center;gap:4px;display:inline-flex}.loading-dots span{background:var(--color-text-muted);border-radius:var(--radius-full);width:6px;height:6px;animation:1.4s ease-in-out infinite pulse}.loading-dots span:nth-child(2){animation-delay:.2s}.loading-dots span:nth-child(3){animation-delay:.4s}@media (max-width:768px){.hero-title{font-size:var(--text-3xl)}.hero-subtitle{font-size:var(--text-base)}.hero-cta-group{flex-direction:column}.demo-panel-body{grid-template-columns:1fr}.demo-panel-left{border-right:none;border-bottom:1px solid var(--color-border)}.walkthrough-steps,.pricing-grid{gap:var(--space-4);grid-template-columns:1fr}.dual-panel{grid-template-columns:1fr}.panel-left{border-right:none;border-bottom:1px solid var(--color-border)}.panel-textarea{min-height:140px}.feedback-drawer{max-height:70vh}}@media (max-width:480px){.hero-title{font-size:var(--text-2xl)}.navbar-credits span:last-child{display:none}}.login-page{background:linear-gradient(135deg, var(--color-bg) 0%, var(--color-primary-light) 100%);min-height:100vh;padding:var(--space-6);justify-content:center;align-items:center;display:flex}.login-card{background:var(--color-bg-card);border-radius:var(--radius-xl);border:1px solid var(--color-border);box-shadow:var(--shadow-xl);padding:var(--space-12) var(--space-10);text-align:center;width:100%;max-width:420px;animation:.4s fadeIn}.login-logo{justify-content:center;align-items:center;gap:var(--space-3);margin-bottom:var(--space-8);display:flex}.login-logo-icon{background:linear-gradient(135deg, var(--color-primary), #7c3aed);border-radius:var(--radius-md);color:#fff;width:48px;height:48px;font-family:var(--font-heading);font-weight:800;font-size:var(--text-xl);justify-content:center;align-items:center;display:flex}.login-logo-text{font-family:var(--font-heading);font-weight:800;font-size:var(--text-2xl);color:var(--color-text)}.login-title{font-size:var(--text-2xl);margin-bottom:var(--space-2);font-weight:700}.login-subtitle{font-size:var(--text-sm);color:var(--color-text-secondary);margin-bottom:var(--space-8);line-height:1.5}.login-google-btn{justify-content:center;align-items:center;gap:var(--space-3);width:100%;padding:var(--space-4) var(--space-6);background:var(--color-bg-card);border:1.5px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--text-base);color:var(--color-text);cursor:pointer;transition:all var(--transition-fast);font-weight:600;display:flex}.login-google-btn:hover{border-color:var(--color-primary);box-shadow:var(--shadow-md);transform:translateY(-1px)}.login-google-btn:active{transform:translateY(0)}.login-terms{font-size:var(--text-xs);color:var(--color-text-muted);margin-top:var(--space-6);line-height:1.5}.login-terms strong{color:var(--color-primary)}