.app{display:flex;flex-direction:column;height:100%}.app__preview{position:sticky;top:0;z-index:5;height:52vh;min-height:320px;flex:none;background:#f7f4ef;border-bottom:1px solid var(--color-border)}.app__panel{flex:1;padding:20px 16px 40px;display:flex;flex-direction:column;gap:16px;max-width:560px;width:100%;margin:0 auto}@media(min-width:1024px){.app{flex-direction:row}.app__preview{position:relative;height:100vh;flex:1;border-bottom:none}.app__panel{width:400px;max-width:400px;flex:none;height:100vh;overflow-y:auto;margin:0;padding:32px 24px 48px;background:var(--color-bg);border-left:1px solid var(--color-border)}}.app__view-toggle{position:absolute;left:50%;bottom:16px;transform:translate(-50%);background:#ffffffdb;backdrop-filter:blur(12px);border-radius:999px;padding:4px;box-shadow:var(--shadow-card)}.app__sample-badge{position:absolute;top:14px;left:50%;transform:translate(-50%);font-size:12px;font-weight:600;color:var(--color-text-sub);background:#ffffffdb;backdrop-filter:blur(12px);padding:6px 12px;border-radius:999px;box-shadow:var(--shadow-card)}.app__header h1{font-size:26px;font-weight:800;line-height:1.3;letter-spacing:-.02em}.app__header p{margin-top:8px;font-size:14px;color:var(--color-text-weak)}.app__footer{margin-top:12px;text-align:center;font-size:12px;color:var(--color-text-weak)}.card{background:var(--color-surface);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:20px}.card__title{font-size:15px;font-weight:700;margin-bottom:12px}.card__title--gap{margin-top:20px}.card__subtitle{font-size:13px;font-weight:600;color:var(--color-text-sub);margin:16px 0 8px}.card__caption{margin-top:10px;font-size:12px;color:var(--color-text-weak)}.chip-row{display:flex;flex-wrap:wrap;gap:8px}.chip{display:inline-flex;align-items:center;gap:7px;padding:9px 14px;border-radius:var(--radius-chip);border:1.5px solid var(--color-border);background:var(--color-surface);font-size:14px;font-weight:600;color:var(--color-text-sub);transition:all var(--duration-fast) var(--ease-spring)}.chip:active{transform:scale(.96)}.chip--selected{border-color:var(--color-primary);background:var(--color-primary-weak);color:var(--color-primary-strong)}.chip__swatch{width:16px;height:16px;border-radius:5px;border:1px solid rgba(0,0,0,.08)}.segmented{display:inline-flex;background:var(--color-bg);border-radius:var(--radius-chip);padding:3px;gap:2px}.segmented__item{padding:8px 14px;border-radius:10px;font-size:13px;font-weight:600;color:var(--color-text-weak);transition:all var(--duration-fast) var(--ease-spring)}.segmented__item--selected{background:var(--color-surface);color:var(--color-text);box-shadow:0 1px 3px #00000014}.dropzone{border-radius:16px}.dropzone--active .dropzone__cta{border-color:var(--color-primary);background:var(--color-primary-weak)}.dropzone__cta{width:100%;display:flex;flex-direction:column;align-items:center;gap:4px;padding:26px 16px;border:1.5px dashed var(--color-border);border-radius:16px;background:var(--color-bg);transition:all var(--duration-fast) var(--ease-spring)}.dropzone__cta:active{transform:scale(.98)}.dropzone__icon{font-size:28px}.dropzone__label{font-size:15px;font-weight:700;color:var(--color-text)}.dropzone__hint{font-size:12px;color:var(--color-text-weak)}.dropzone__preview img{width:100%;max-height:180px;object-fit:cover;border-radius:12px}.dropzone__change{margin-top:10px;width:100%;padding:11px;border-radius:var(--radius-button);background:var(--color-bg);font-size:14px;font-weight:600;color:var(--color-text-sub);transition:transform var(--duration-fast) var(--ease-spring)}.dropzone__change:active{transform:scale(.98)}.dropzone__error{margin-top:8px;font-size:13px;color:var(--color-danger)}.wall-row{display:flex;gap:10px}.wall-swatch{width:40px;height:40px;border-radius:12px;border:2px solid var(--color-border);transition:all var(--duration-fast) var(--ease-spring)}.wall-swatch:active{transform:scale(.94)}.wall-swatch--selected{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-weak)}.crop-control{display:flex;flex-direction:column;gap:10px}.crop-control__row{display:flex;align-items:center;gap:12px;font-size:13px;font-weight:600;color:var(--color-text-sub)}.crop-control__row span{width:34px;flex:none}.crop-control__row input[type=range]{flex:1;accent-color:var(--color-primary)}.sheet-backdrop{position:fixed;inset:0;z-index:50;background:#191f2873;display:flex;align-items:flex-end;justify-content:center;animation:fade-in var(--duration-fast) ease-out}.sheet{width:100%;max-width:560px;background:var(--color-surface);border-radius:var(--radius-sheet) var(--radius-sheet) 0 0;padding:12px 20px calc(24px + env(safe-area-inset-bottom));box-shadow:var(--shadow-sheet);animation:sheet-up var(--duration-base) var(--ease-spring)}.sheet__handle{width:40px;height:4px;border-radius:2px;background:var(--color-border);margin:0 auto 16px}.sheet__title{font-size:19px;font-weight:800;letter-spacing:-.02em;margin-bottom:18px}@keyframes fade-in{0%{opacity:0}}@keyframes sheet-up{0%{transform:translateY(40px);opacity:.6}}.custom-size{display:flex;align-items:flex-end;gap:12px}.custom-size__field{flex:1;display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--color-text-sub)}.custom-size__field input{width:100%;padding:13px 14px;border:1.5px solid var(--color-border);border-radius:var(--radius-chip);font-size:17px;font-weight:700;color:var(--color-text);outline:none;transition:border-color var(--duration-fast)}.custom-size__field input:focus{border-color:var(--color-primary)}.custom-size__times{padding-bottom:14px;color:var(--color-text-weak);font-weight:700}.custom-size__hint{margin-top:10px;font-size:12px;color:var(--color-text-weak)}.button-primary{margin-top:18px;width:100%;padding:15px;border-radius:var(--radius-button);background:var(--color-primary);color:#fff;font-size:16px;font-weight:700;transition:all var(--duration-fast) var(--ease-spring)}.button-primary:active{transform:scale(.98);background:var(--color-primary-strong)}:root{--color-primary: #3182f6;--color-primary-strong: #1b64da;--color-primary-weak: #e8f3ff;--color-text: #191f28;--color-text-sub: #4e5968;--color-text-weak: #8b95a1;--color-bg: #f2f4f6;--color-surface: #ffffff;--color-border: #e5e8eb;--color-divider: #f2f4f6;--color-danger: #f04452;--radius-card: 20px;--radius-chip: 12px;--radius-button: 14px;--radius-sheet: 24px;--shadow-card: 0 1px 4px rgba(0, 0, 0, .04), 0 8px 24px rgba(25, 31, 40, .06);--shadow-sheet: 0 -8px 32px rgba(25, 31, 40, .14);--ease-spring: cubic-bezier(.22, 1, .36, 1);--duration-fast: .16s;--duration-base: .26s;--font-sans: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%}body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;overscroll-behavior-y:none}button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit}input{font-family:inherit}img,canvas{display:block;max-width:100%}