:root{color-scheme:light;--bg-top: #eef6ff;--bg-mid: #bcd1e0;--bg-bottom: #0e1725;--panel-bg: rgba(10, 20, 33, .68);--panel-border: rgba(255, 255, 255, .16);--panel-shadow: 0 28px 60px rgba(6, 12, 22, .36);--text-main: #f6f8fb;--text-soft: rgba(237, 243, 248, .78);--accent: #f2c06d;--accent-strong: #ffc35f;--accent-soft: rgba(242, 192, 109, .18);--card-radius: 24px;--panel-width: 328px;font-family:Bahnschrift,Trebuchet MS,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#app{margin:0;min-height:100%}body{background:radial-gradient(circle at top left,rgba(255,230,187,.4),transparent 34%),linear-gradient(180deg,var(--bg-top) 0%,var(--bg-mid) 34%,var(--bg-bottom) 100%);color:var(--text-main)}button,input{font:inherit}.app-shell{position:relative;min-height:100vh;overflow:hidden;padding:24px}.ambient-glow{position:absolute;border-radius:999px;filter:blur(80px);opacity:.44;pointer-events:none}.ambient-glow-left{width:320px;height:320px;left:-70px;top:28px;background:#ffe0a480}.ambient-glow-right{width:280px;height:280px;right:-80px;top:90px;background:#8cbaf252}.topbar{position:relative;z-index:2;display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin:0 auto 20px;max-width:1600px}.brand{max-width:540px}.eyebrow,.panel-tag,.overlay-label{margin:0;text-transform:uppercase;letter-spacing:.14em;font-size:.72rem;color:#f5f9fcad}.brand h1,.panel-heading h2,.preview-heading h2,.info-card h2{margin:8px 0 0;font-family:Georgia,Times New Roman,serif;font-weight:500;letter-spacing:.01em}.brand h1{font-size:clamp(2.6rem,5vw,4.5rem);line-height:.95}.brand-copy,.panel-heading p,.preview-copy,.info-card p,.viewport-overlay p{color:var(--text-soft)}.brand-copy{margin:10px 0 0;max-width:28rem;font-size:1rem}.stage-switch{display:inline-flex;gap:10px;padding:8px;border:1px solid var(--panel-border);border-radius:999px;background:#08121d80;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:var(--panel-shadow)}.stage-chip{display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border:0;border-radius:999px;background:transparent;color:var(--text-soft);cursor:pointer;transition:background .18s ease,color .18s ease,transform .18s ease}.stage-chip span{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:999px;background:#ffffff14}.stage-chip.active{background:linear-gradient(180deg,#ffd6944d,#f2c06d26);color:var(--text-main);transform:translateY(-1px)}.preset-rail{position:relative;z-index:1;display:grid;gap:14px;max-width:1600px;margin:0 auto 22px;padding:18px;border:1px solid var(--panel-border);border-radius:var(--card-radius);background:#08121d70;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:var(--panel-shadow);animation:lift-in .62s ease both}.preset-rail.hidden{display:none}.preset-rail-heading{display:grid;gap:6px}.preset-rail-heading h2{margin:0;font-family:Georgia,Times New Roman,serif;font-weight:500;font-size:1.7rem;letter-spacing:.01em}.workspace{position:relative;z-index:1;display:grid;grid-template-columns:var(--panel-width) minmax(0,1fr) var(--panel-width);gap:22px;align-items:stretch;max-width:1600px;margin:0 auto;min-height:calc(100vh - 176px)}.panel,.viewport-card{border:1px solid var(--panel-border);border-radius:var(--card-radius);background:var(--panel-bg);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:var(--panel-shadow);animation:lift-in .62s ease both}.panel{display:flex;flex-direction:column;gap:20px;padding:22px;min-height:0}.panel-left,.panel-right{max-height:calc(100vh - 176px);overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.28) transparent}.panel-left::-webkit-scrollbar,.panel-right::-webkit-scrollbar{width:10px}.panel-left::-webkit-scrollbar-track,.panel-right::-webkit-scrollbar-track{background:transparent}.panel-left::-webkit-scrollbar-thumb,.panel-right::-webkit-scrollbar-thumb{border-radius:999px;background:#ffffff38;border:2px solid transparent;background-clip:padding-box}.panel-left::-webkit-scrollbar-thumb:hover,.panel-right::-webkit-scrollbar-thumb:hover{background:#ffffff57;background-clip:padding-box}.stage-panel{display:flex;flex-direction:column;gap:18px}.stage-panel.hidden{display:none}.panel-heading h2,.preview-heading h2,.info-card h2{font-size:1.9rem}.panel-heading p{margin:10px 0 0;line-height:1.55}.preset-grid{display:flex;gap:12px;overflow-x:auto;overflow-y:hidden;padding-bottom:6px;overscroll-behavior-x:contain;scrollbar-gutter:stable;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.24) transparent}.preset-grid::-webkit-scrollbar{height:10px}.preset-grid::-webkit-scrollbar-track{background:transparent}.preset-grid::-webkit-scrollbar-thumb{border-radius:999px;background:#ffffff38;border:2px solid transparent;background-clip:padding-box}.preset-grid::-webkit-scrollbar-thumb:hover{background:#ffffff57;background-clip:padding-box}.preset-card{display:grid;grid-template-columns:92px minmax(0,1fr);gap:12px;align-items:center;flex:0 0 268px;padding:10px;border:1px solid rgba(255,255,255,.12);border-radius:18px;background:#ffffff08;color:var(--text-main);cursor:pointer;transition:transform .18s ease,border-color .18s ease,background .18s ease;text-align:left}.preset-card:hover,.preset-card.active{transform:translateY(-2px);border-color:#ffd7938f;background:#ffd79314}.preset-card img{width:92px;height:62px;border-radius:12px;object-fit:cover;background:#ffffff14}.preset-card-copy{display:grid;gap:4px}.preset-card-copy strong{font-size:.98rem}.preset-card-copy small{color:var(--text-soft);line-height:1.35}.field-group{display:grid;gap:16px}.field{display:grid;gap:10px}.field-topline{display:flex;justify-content:space-between;gap:12px;align-items:center}.field-label{color:var(--text-main)}.field strong{color:var(--accent-strong)}.field input[type=range]{appearance:none;width:100%;height:8px;border-radius:999px;background:linear-gradient(90deg,#ffd59070,#ffffff24);outline:none}.field input[type=range]::-webkit-slider-thumb{appearance:none;width:22px;height:22px;border-radius:50%;border:3px solid rgba(255,244,221,.9);background:var(--accent-strong);box-shadow:0 8px 16px #ffc35f47}.field input[type=range]::-moz-range-thumb{width:22px;height:22px;border:3px solid rgba(255,244,221,.9);border-radius:50%;background:var(--accent-strong);box-shadow:0 8px 16px #ffc35f47}.seed-row{display:flex;gap:10px}.seed-input{flex:1;min-width:0;padding:12px 14px;border:1px solid rgba(255,255,255,.13);border-radius:14px;background:#ffffff0d;color:var(--text-main)}.field-select{width:100%;padding:12px 14px;border:1px solid rgba(255,255,255,.13);border-radius:14px;background:#ffffff0d;color:var(--text-main);outline:none}.field-select option{color:#162130}.primary-button,.secondary-button,.ghost-button,.segment{border:0;cursor:pointer;transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease}.primary-button:disabled,.secondary-button:disabled,.ghost-button:disabled,.segment:disabled{cursor:not-allowed;opacity:.46;transform:none;box-shadow:none}.primary-button{padding:15px 18px;border-radius:16px;background:linear-gradient(180deg,#ffd58e,#f0b454);color:#162130;font-weight:700;box-shadow:0 14px 28px #f0b4544d}.primary-button:hover,.secondary-button:hover,.ghost-button:hover,.segment:hover{transform:translateY(-1px)}.secondary-button,.ghost-button{padding:12px 16px;border-radius:14px;color:var(--text-main)}.secondary-button{background:#ffffff1c}.ghost-button{border:1px solid rgba(255,255,255,.12);background:#ffffff08}.button-row{display:flex;gap:10px;flex-wrap:wrap}.tool-card{display:grid;gap:12px;padding:14px;border-radius:18px;background:#ffffff0d;border:1px solid rgba(255,255,255,.09)}.tool-title{margin:0;font-weight:700}.history-card{gap:14px}.history-header{display:flex;justify-content:space-between;gap:12px;align-items:center}.history-shortcut{color:var(--text-soft);font-size:.86rem}.direction-card{gap:14px}.direction-grid .segment{flex:1 1 calc(25% - 8px);min-width:54px;justify-content:center;text-align:center}.segmented{display:flex;gap:8px;flex-wrap:wrap}.segment{padding:11px 14px;border-radius:14px;background:#ffffff14;color:var(--text-soft)}.segment.active{background:var(--accent-soft);color:var(--text-main);box-shadow:inset 0 0 0 1px #ffd28557}.viewport-shell{min-width:0}.viewport-card{position:relative;overflow:hidden;min-height:100%}.viewport-gradient{position:absolute;inset:0;background:radial-gradient(circle at 50% 8%,rgba(255,248,221,.86),rgba(255,239,196,.2) 14%,transparent 24%),linear-gradient(180deg,#e7f1f9f2,#baccd699 34%,#22283329 72%,#0d131d5c)}.viewport{position:relative;width:100%;height:100%;min-height:720px;touch-action:none}.viewport canvas{width:100%;height:100%;display:block}.viewport-overlay{position:absolute;left:18px;right:18px;display:flex;justify-content:space-between;gap:12px;pointer-events:none}.viewport-overlay-top{top:18px}.viewport-overlay-bottom{bottom:18px}.overlay-pill{display:inline-grid;gap:4px;min-width:0;padding:12px 14px;border-radius:16px;background:#08121d7a;border:1px solid rgba(255,255,255,.12);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.overlay-pill strong,.viewport-overlay-bottom p{margin:0}.viewport-overlay-bottom{justify-content:center}.viewport-overlay-bottom p{padding:12px 16px;border-radius:16px;background:#08121d7a;border:1px solid rgba(255,255,255,.1);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.preview-card,.info-card{display:grid;gap:14px}.preview-card canvas{width:100%;max-width:280px;aspect-ratio:1;border-radius:18px;border:1px solid rgba(255,255,255,.14);image-rendering:auto;background:linear-gradient(180deg,#08111d,#101d2a);justify-self:center}.preview-copy,.info-card p{margin:0;line-height:1.55}.export-button{margin-top:auto}@keyframes lift-in{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@media(max-width:1280px){.workspace{grid-template-columns:minmax(280px,320px) minmax(0,1fr)}.panel-right{grid-column:1 / -1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));align-items:start}.export-button{margin-top:0;align-self:stretch}}@media(max-width:980px){.app-shell{padding:16px}.topbar{flex-direction:column;align-items:stretch}.preset-rail{padding:16px}.workspace{grid-template-columns:1fr;min-height:auto}.panel-left,.panel-right{order:2;max-height:min(72vh,720px)}.viewport-shell{order:1}.viewport{min-height:480px}.panel-right{grid-template-columns:1fr}}@media(max-width:680px){.stage-switch{width:100%;justify-content:space-between}.stage-chip{flex:1;justify-content:center}.viewport-overlay{left:12px;right:12px;flex-direction:column}.viewport-overlay-bottom{align-items:stretch}.preset-card{flex-basis:220px;grid-template-columns:1fr}.preset-card img{width:100%;height:110px}}