:root{--navy:#112d42;--ink:#172f40;--muted:#61717e;--line:#d6e0e7;--paper:#f3f7fa;--teal:#087d7d;--aqua:#47d9cf}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.5 system-ui,-apple-system,'Segoe UI',sans-serif}button,input,select{font:inherit}button,a,summary,select{touch-action:manipulation}button{border:1px solid var(--line);background:white;border-radius:7px;padding:9px 13px;color:var(--ink);cursor:pointer;font-size:.9rem;font-weight:600;min-height:42px}button:hover{border-color:var(--teal);background:#f1faf9}button:disabled{cursor:default;opacity:.48}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #21aead;outline-offset:3px}.site-header{background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:15px max(24px,calc((100vw - 1440px)/2));gap:20px}.brand{color:white;text-decoration:none;display:flex;align-items:center;gap:12px;font-size:1.2rem;font-weight:750}.brand-icon{border:2px solid var(--aqua);border-top:0;width:29px;height:25px;border-radius:0 0 18px 18px;color:var(--aqua);line-height:18px;text-align:center;font-size:22px}.header-note{font-size:.9rem;color:#cbdde7}.version{margin-left:12px;border:1px solid #496778;border-radius:4px;padding:3px 7px;font-size:.8rem}main{max-width:1488px;margin:auto;padding:30px 24px 0}.intro{display:flex;justify-content:space-between;align-items:center;gap:30px;margin-bottom:24px}.eyebrow{font-size:.78rem;font-weight:800;letter-spacing:.11em;color:var(--teal);margin:0 0 7px}h1{font-size:clamp(1.7rem,3vw,2.35rem);line-height:1.15;margin:0 0 10px;letter-spacing:-.03em}.intro p:not(.eyebrow){margin:0;color:var(--muted)}.preset-control{display:grid;grid-template-columns:1fr auto;gap:8px;max-width:370px;width:100%}.preset-control label{grid-column:1/-1;font-size:.85rem;font-weight:700}select{width:100%;min-width:0;border:1px solid var(--line);border-radius:7px;padding:10px;background:#fff;color:var(--ink);font-size:.9rem}.lab{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:22px;align-items:start}.workspace{min-width:0;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}.workspace-toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line)}.run-actions{display:flex;gap:8px}.primary{background:var(--teal);border-color:var(--teal);color:#fff}.primary:hover{background:#056563;color:white}.state{font-size:.82rem;font-weight:650;color:var(--muted)}.canvas-wrap{background:#f9fbfd}canvas{display:block;width:100%;height:auto;aspect-ratio:10/7;touch-action:none;cursor:crosshair}.metrics{display:flex;flex-wrap:wrap;gap:16px;padding:10px 16px;background:#edf3f7;border-top:1px solid var(--line);font-size:.83rem;color:var(--muted)}.metrics strong{color:var(--ink);font-variant-numeric:tabular-nums}#toolHint{margin-left:auto}.file-actions{display:flex;flex-wrap:wrap;gap:8px;padding:14px 16px 0}.file-actions button{font-size:.83rem}.status{font-size:.85rem;color:var(--muted);padding:0 16px;margin:10px 0 14px;min-height:21px}.controls{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}fieldset{padding:0 0 18px;border:0;border-bottom:1px solid var(--line);margin:0 0 18px}fieldset:last-child{border-bottom:0;padding:0;margin:0}legend{font-size:.78rem;color:var(--muted);font-weight:800;letter-spacing:.05em;padding:0;margin-bottom:12px}.palette{display:grid;grid-template-columns:1fr 1fr;gap:6px}.palette button{display:flex;align-items:center;text-align:left;gap:8px;padding:8px 7px;font-size:.87rem;font-weight:650}.palette button:last-child{grid-column:1/-1}.palette i{flex:none;width:17px;height:17px;background:var(--ink);border-radius:50%}.palette small{display:block;font-size:.75rem;color:var(--muted);font-weight:400}.palette [aria-pressed=true],.tools [aria-pressed=true]{border-color:var(--teal);box-shadow:inset 0 0 0 1px var(--teal);background:#edf9f8}.tools{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-bottom:12px}.tools button{font-size:.8rem;padding:7px 3px;min-height:38px}.input-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px}.input-grid label{font-size:.78rem;font-weight:600;min-width:0}.input-grid label span{font-size:.75rem;font-weight:400;color:var(--muted)}input[type=number]{display:block;width:100%;padding:6px 9px;margin-top:4px;border:1px solid var(--line);border-radius:5px;font-size:.95rem;font-variant-numeric:tabular-nums;background:white;color:var(--ink);min-height:36px}details{margin-top:14px}summary{font-size:.85rem;cursor:pointer;font-weight:650}details .input-grid{margin-top:12px}.micro{font-size:.8rem;line-height:1.55;color:var(--muted);margin:10px 0 0}.clear-button{margin-top:14px;width:100%;font-size:.85rem}.learning{display:grid;grid-template-columns:1fr 1fr;gap:48px;padding:34px 0;max-width:1160px}.learning h2{font-size:1.5rem;line-height:1.3;margin:0 0 12px}.learning h3{font-size:1rem;margin:0 0 10px}.learning p:not(.eyebrow){margin-top:0;color:var(--muted)}footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;max-width:1440px;margin:auto;padding:22px 24px;border-top:1px solid var(--line);font-size:.8rem;color:var(--muted)}@media(min-width:1400px){.lab{grid-template-columns:minmax(0,1fr) 320px}}@media(max-width:950px){.lab{grid-template-columns:1fr}.controls{display:grid;grid-template-columns:1fr 1fr;gap:20px}.controls fieldset{border-bottom:0;margin:0}.controls fieldset:last-child{grid-column:1/-1}.intro{align-items:flex-start}.preset-control{max-width:300px}#toolHint{margin-left:0}}@media(max-width:620px){main{padding:22px 12px 0}.site-header{padding:13px 14px}.header-note{display:none}.intro{display:block}.preset-control{max-width:none;margin-top:20px}.lab{gap:16px}.workspace-toolbar{padding:10px}.run-actions{gap:5px}.run-actions button{padding:8px;font-size:.8rem}.metrics{gap:10px;padding:9px 12px}.file-actions{padding:12px 10px 0}.file-actions button{flex:1;font-size:.8rem}.file-actions button:last-child{flex-basis:100%}.controls{display:block;padding:16px}.controls fieldset{padding-bottom:16px;margin-bottom:16px;border-bottom:1px solid var(--line)}.controls fieldset:last-child{border:0;margin:0;padding:0}.palette{grid-template-columns:1fr 1fr}.learning{grid-template-columns:1fr;gap:16px;padding:25px 4px}footer{padding:20px 16px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}
/* Sık kullanılan etiketler ve kontroller küçük ekranlarda da okunabilir. */
.input-grid label,.palette small,.tools button,legend,summary{font-size:.875rem}.palette button{font-size:.9rem}.micro{font-size:.875rem}.metrics,.status{font-size:.875rem}