:root{color-scheme:light;font-family:Space Grotesk,Manrope,system-ui,sans-serif;--bg: #f7f3ef;--bg-accent: #f1e9df;--ink: #1d1a16;--muted: #6b5f54;--accent: #e4572e;--accent-dark: #bb3f1c;--card: #ffffff;--shadow: 0 20px 50px rgba(38, 31, 24, .18)}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top,#fff8f2,var(--bg));color:var(--ink);min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column}.hero{padding:1.25rem 1.5rem .75rem}.hero-top{display:flex;align-items:center;justify-content:space-between;gap:1rem}.brand{display:flex;align-items:center;gap:1rem}h1{margin:.25rem 0 .1rem;font-size:clamp(1.2rem,3.2vw,1.6rem)}.format-hint{margin:.35rem 0 0;font-size:.85rem;color:#1d1a168c}.content{flex:1;padding:0 1.5rem 2rem;display:flex;flex-direction:column;gap:1.25rem}.uploader{display:flex;flex-direction:column;gap:.75rem}.upload-card{background:var(--card);border-radius:20px;padding:.9rem 1rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;box-shadow:var(--shadow);border:1px solid rgba(0,0,0,.06)}.uploader.dragging .upload-card{outline:2px dashed var(--accent);outline-offset:4px}.upload-text h2{margin:0;font-size:1rem}.upload-text p{margin:.35rem 0 0;color:var(--muted);display:flex;flex-wrap:wrap;gap:.35rem}.pill{display:inline-block;padding:.2rem .5rem;background:var(--bg-accent);border-radius:999px;font-size:.75rem;letter-spacing:.02em;color:var(--ink)}.upload-icon{cursor:pointer;width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:#1d1a160f;color:var(--ink);border:1px solid rgba(0,0,0,.08);transition:transform .15s ease,box-shadow .15s ease,background .15s ease}.upload-icon:hover{transform:translateY(-1px);background:#1d1a161f;box-shadow:0 8px 18px #261f1826}.upload-icon svg{width:20px;height:20px;fill:currentColor}.upload-icon input{display:none}.hint,.status{font-size:.9rem;color:var(--muted)}.status[data-error=true]{color:#b42318}.deck{display:flex;flex-direction:column;gap:1rem}.controls{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:.45rem}.controls button{border:none;background:var(--card);border-radius:12px;padding:.4rem .15rem;font-weight:600;font-size:.78rem;color:var(--ink);box-shadow:0 12px 24px #261f181f;transition:transform .12s ease,box-shadow .15s ease,background .15s ease}.controls button:disabled{opacity:.4;box-shadow:none}.controls button:not(:disabled):hover{transform:translateY(-2px);box-shadow:0 16px 28px #261f182e}.card{position:relative;height:300px;border-radius:28px;perspective:1200px}.card-face{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:28px;padding:1.5rem;backface-visibility:hidden;display:flex;flex-direction:column;justify-content:center;gap:1rem;transition:transform .4s ease;box-shadow:var(--shadow)}.card-front{background:linear-gradient(145deg,#fff,#f8efe6)}.card-back{background:linear-gradient(140deg,#221e1a,#2f261f);color:#f8f4ef;transform:rotateY(180deg)}.card.flipped .card-front{transform:rotateY(180deg)}.card.flipped .card-back{transform:rotateY(0)}.card-text{margin:0;font-size:clamp(1.05rem,3.6vw,1.5rem);line-height:1.4}.source{margin-top:auto;font-size:.85rem}.source a,.source span{color:inherit;text-decoration:none;background:#ffffff1f;padding:.35rem .7rem;border-radius:999px;display:inline-block}.meta{display:flex;justify-content:space-between;font-size:.9rem;color:var(--muted)}@media (max-width: 900px){.controls{grid-template-columns:repeat(5,minmax(0,1fr))}}@media (max-width: 640px){.content{padding:0 1rem 2rem}.upload-card{flex-direction:column;align-items:flex-start}.card{height:260px}}