:root{--clr-green-dark: #4a6b50;--clr-green: #6b8f71;--clr-green-light: #a3bfa8;--clr-cream: #f5f0eb;--clr-cream-dark: #e8dfda;--clr-sand: #d4c4b0;--clr-sand-light: #e2d5c7;--clr-blush: #d6c4b6;--clr-white: #ffffff;--clr-text: #2e3a2f;--clr-text-light: #5e6b5f;--ff-heading: "Playfair Display", Georgia, serif;--ff-body: "Inter", system-ui, -apple-system, sans-serif;--space-xs: .5rem;--space-sm: 1rem;--space-md: 1.5rem;--space-lg: 2.5rem;--space-xl: 4rem;--space-2xl: 6rem;--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--radius-full: 50%;--shadow-card: 0 8px 32px rgba(0, 0, 0, .08);--shadow-card-hover: 0 12px 48px rgba(0, 0, 0, .14);--transition: .3s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--ff-body);color:var(--clr-text);background:var(--clr-cream);line-height:1.6;overflow-x:hidden;min-width:320px;min-height:100vh}a{text-decoration:none;color:inherit}ul{list-style:none}img{display:block;max-width:100%;height:auto}.site-header{position:fixed;top:0;left:0;width:100%;z-index:100;padding:var(--space-sm) var(--space-lg);transition:background var(--transition),box-shadow var(--transition)}.site-header.scrolled{background:#f5f0ebeb;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 2px 20px #0000000f}.header-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:var(--space-xs);cursor:pointer}.logo-icon{width:28px;height:36px}.logo-text{font-family:var(--ff-heading);font-size:1.35rem;font-weight:400;color:var(--clr-text);letter-spacing:-.02em}.main-nav ul{display:flex;gap:var(--space-lg)}.nav-link{font-size:.95rem;font-weight:400;color:var(--clr-text-light);position:relative;padding-bottom:4px;transition:color var(--transition);background:none;border:none;cursor:pointer;font-family:var(--ff-body)}.nav-link:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--clr-green);border-radius:1px;transition:width var(--transition)}.nav-link:hover,.nav-link.active{color:var(--clr-text)}.nav-link:hover:after,.nav-link.active:after{width:100%}.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px;z-index:110}.nav-toggle span{display:block;width:24px;height:2px;background:var(--clr-text);border-radius:2px;transition:transform var(--transition),opacity var(--transition)}.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle.open span:nth-child(2){opacity:0}.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.hero{position:relative;min-height:50vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:120px var(--space-lg) var(--space-xl);overflow:hidden}.hero-bg{position:absolute;inset:0;pointer-events:none;z-index:0}.shape{position:absolute;border-radius:50%;opacity:.45}.shape--top-right{top:-40px;right:-60px;width:320px;height:200px;background:linear-gradient(135deg,var(--clr-green-light),var(--clr-sand-light));border-radius:0 0 0 60%;filter:blur(2px)}.shape--left{top:30%;left:-80px;width:200px;height:350px;background:linear-gradient(180deg,var(--clr-sand),var(--clr-blush));border-radius:0 60% 40% 0;filter:blur(2px)}.shape--circle{top:12%;right:8%;width:80px;height:80px;background:var(--clr-sand);opacity:.5}.hero-bg:after{content:"";position:absolute;top:60px;right:0;width:45%;height:1px;background:var(--clr-text);opacity:.12;transform:rotate(-3deg);transform-origin:right}.hero-content{position:relative;z-index:2;text-align:center;max-width:800px}.hero-title{font-family:var(--ff-heading);font-size:clamp(2.2rem,5vw,3.6rem);font-weight:700;line-height:1.2;color:var(--clr-text);margin-bottom:var(--space-sm)}.hero-title em{font-style:normal;position:relative}.hero-title em:after{content:"";position:absolute;left:-4px;right:-4px;bottom:4px;height:8px;background:var(--clr-green-light);opacity:.35;border-radius:4px;z-index:-1}.hero-subtitle{font-size:clamp(1rem,2vw,1.2rem);color:var(--clr-text-light);font-weight:300;letter-spacing:.01em}.section-wave{display:flex;justify-content:center;margin-bottom:var(--space-md)}.section-wave svg{width:80px;height:auto}.app{max-width:1200px;margin:0 auto;padding:0 var(--space-lg) var(--space-2xl)}.section-label{font-family:var(--ff-heading);font-size:clamp(1.4rem,2.5vw,1.8rem);font-weight:700;color:var(--clr-text);text-align:center;margin-bottom:var(--space-md)}.section-desc{font-size:1rem;font-weight:300;color:var(--clr-text-light);text-align:center;max-width:540px;margin:0 auto var(--space-lg);line-height:1.75}.main-layout{display:flex;gap:var(--space-xl);align-items:flex-start}.panel{background:var(--clr-white);border-radius:var(--radius-lg);padding:var(--space-lg);box-shadow:var(--shadow-card);transition:transform var(--transition),box-shadow var(--transition)}.panel:hover{box-shadow:var(--shadow-card-hover)}.panel-title{font-family:var(--ff-heading);font-size:1.2rem;font-weight:700;color:var(--clr-text);margin-bottom:var(--space-sm);display:flex;align-items:center;gap:var(--space-xs)}.panel-title-icon{width:24px;height:24px;color:var(--clr-green)}.left-panel{flex:0 0 auto;display:flex;flex-direction:column;gap:var(--space-sm)}.toolbar{display:flex;align-items:center;gap:var(--space-xs);flex-wrap:wrap;padding:var(--space-sm);background:var(--clr-cream);border-radius:var(--radius-md)}.toolbar label{display:flex;align-items:center;gap:var(--space-xs);font-size:.85rem;color:var(--clr-text-light);font-weight:400}.toolbar input[type=range]{width:80px;accent-color:var(--clr-green)}.tool-btn{padding:.4rem .85rem;border:1.5px solid var(--clr-sand);border-radius:999px;background:var(--clr-white);cursor:pointer;font-size:.82rem;font-family:var(--ff-body);font-weight:400;color:var(--clr-text-light);transition:all var(--transition)}.tool-btn:hover{border-color:var(--clr-green-light);color:var(--clr-text);background:var(--clr-cream)}.tool-btn.active{border-color:var(--clr-green);background:var(--clr-green);color:var(--clr-white)}.drawing-canvas{border:2px solid var(--clr-sand-light);border-radius:var(--radius-md);cursor:crosshair;width:480px;height:480px;background:#fff;touch-action:none;transition:border-color var(--transition)}.drawing-canvas:hover{border-color:var(--clr-green-light)}.text-input{width:100%;padding:.75rem 1rem;border:1.5px solid var(--clr-sand);border-radius:999px;font-size:.95rem;font-family:var(--ff-body);font-weight:300;color:var(--clr-text);background:var(--clr-cream);outline:none;transition:border-color var(--transition),background var(--transition)}.text-input::placeholder{color:var(--clr-text-light);opacity:.6}.text-input:focus{border-color:var(--clr-green);background:var(--clr-white)}.generate-btn{width:100%;padding:14px 36px;background:var(--clr-green);color:var(--clr-white);border:none;border-radius:999px;font-size:1rem;font-family:var(--ff-body);font-weight:500;letter-spacing:.02em;cursor:pointer;transition:background var(--transition),transform var(--transition)}.generate-btn:hover:not(:disabled){background:var(--clr-green-dark);transform:translateY(-2px)}.generate-btn:focus-visible{outline:3px solid var(--clr-green-dark);outline-offset:4px}.generate-btn:disabled{opacity:.6;cursor:not-allowed}.error{color:#c0392b;font-weight:500;font-size:.9rem;margin:0;text-align:center;padding:var(--space-xs) var(--space-sm);background:#c0392b14;border-radius:var(--radius-sm)}.right-panel{flex:1;min-width:300px}.placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;height:400px;border:2px dashed var(--clr-sand);border-radius:var(--radius-lg);color:var(--clr-text-light);font-size:1rem;font-weight:300;background:var(--clr-white)}.placeholder-icon{width:64px;height:64px;color:var(--clr-sand);margin-bottom:var(--space-sm)}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:400px;gap:var(--space-sm);background:var(--clr-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}.loading p{color:var(--clr-text-light);font-weight:300;font-size:.95rem}.spinner{width:48px;height:48px;border:4px solid var(--clr-sand-light);border-top-color:var(--clr-green);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.color-palette-wrapper{background:var(--clr-white);border-radius:var(--radius-lg);padding:var(--space-md);margin-top:var(--space-sm);box-shadow:var(--shadow-card)}.color-palette-label{font-family:var(--ff-heading);font-size:1rem;font-weight:700;color:var(--clr-text);margin-bottom:var(--space-sm)}.color-palette{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.color-swatch{width:34px;height:34px;border-radius:var(--radius-full);border:2.5px solid var(--clr-cream-dark);cursor:pointer;padding:0;transition:transform var(--transition),border-color var(--transition),box-shadow var(--transition)}.color-swatch:hover{transform:scale(1.15);border-color:var(--clr-sand)}.color-swatch.selected{border-color:var(--clr-green-dark);transform:scale(1.2);box-shadow:0 0 0 2px var(--clr-white),0 0 0 4px var(--clr-green)}.color-picker-input{width:34px;height:34px;border:none;padding:0;cursor:pointer;border-radius:var(--radius-full)}.coloring-section{background:var(--clr-white);border-radius:var(--radius-lg);padding:var(--space-lg);box-shadow:var(--shadow-card)}.coloring-section h2{font-family:var(--ff-heading);font-size:1.2rem;font-weight:700;margin:0 0 var(--space-xs);color:var(--clr-text)}.hint{color:var(--clr-text-light);font-size:.85rem;font-weight:300;margin:0 0 var(--space-sm)}.coloring-header{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-sm);margin-bottom:var(--space-sm)}.coloring-header h2{margin:0 0 var(--space-xs)}.coloring-header .hint{margin:0}.focus-btn{display:flex;align-items:center;gap:6px;padding:.4rem .85rem;border:1.5px solid var(--clr-sand);border-radius:999px;background:var(--clr-white);cursor:pointer;font-size:.82rem;font-family:var(--ff-body);font-weight:400;color:var(--clr-text-light);transition:all var(--transition);white-space:nowrap;flex-shrink:0}.focus-btn:hover{border-color:var(--clr-green-light);color:var(--clr-text);background:var(--clr-cream)}.focus-btn.active{border-color:var(--clr-green);background:var(--clr-green);color:var(--clr-white)}.coloring-canvas{max-width:100%;height:auto;border:2px solid var(--clr-sand-light);border-radius:var(--radius-md);cursor:pointer;background:#fff}.main-layout .left-panel.hidden{display:none}.main-layout.focus-mode .right-panel{max-width:1100px;width:100%;margin:0 auto}.focus-layout{display:flex;gap:var(--space-lg);align-items:flex-start}.focus-layout .coloring-section{flex:1;min-width:0}.focus-layout .color-palette-wrapper{flex:0 0 auto;width:180px;margin-top:0;position:sticky;top:80px}.focus-layout .color-palette{flex-direction:column;display:flex;flex-wrap:wrap;max-height:400px}@media(max-width:768px){.focus-layout{flex-direction:column}.focus-layout .color-palette-wrapper{width:100%;position:static}.focus-layout .color-palette{flex-direction:row;max-height:none}}.site-footer{text-align:center;padding:var(--space-lg);font-size:.85rem;color:var(--clr-text-light);background:var(--clr-cream);border-top:1px solid rgba(0,0,0,.06)}.fade-in{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}.fade-in.visible{opacity:1;transform:translateY(0)}@media(max-width:1100px){.main-layout{flex-direction:column;align-items:center}.left-panel{width:100%;max-width:520px}.drawing-canvas{width:100%;max-width:480px}.right-panel{width:100%;max-width:520px}}@media(max-width:768px){.site-header{padding:var(--space-sm)}.nav-toggle{display:flex}.main-nav{position:fixed;top:0;right:0;width:260px;height:100vh;background:#f5f0ebf7;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:80px var(--space-lg) var(--space-lg);transform:translate(100%);transition:transform var(--transition);box-shadow:-4px 0 24px #00000014;z-index:105}.main-nav.open{transform:translate(0)}.main-nav ul{flex-direction:column;gap:var(--space-md)}.nav-link{font-size:1.15rem}.hero{padding:100px var(--space-sm) var(--space-lg);min-height:auto}.app{padding:0 var(--space-sm) var(--space-xl)}.panel{padding:var(--space-md)}.shape--top-right{width:200px;height:140px}.shape--circle{width:50px;height:50px;top:8%;right:5%}}@media(max-width:480px){.hero-title{font-size:1.8rem}.drawing-canvas{height:auto;aspect-ratio:1}.toolbar{gap:6px}.tool-btn{padding:.35rem .7rem;font-size:.78rem}}