/* app.css — Studio RoomReveal (tema premium) */
.studio { display: grid; grid-template-columns: 380px 1fr; gap: 24px; margin: 28px auto; align-items: start; }
.credits-pill { background: var(--bg-accent); color: var(--accent); padding: 6px 14px; border-radius: 999px; font-size: 14px; font-weight: 500; }
.studio-account { display: flex; align-items: center; gap: 10px; }
.login-input { width: 100%; padding: 11px 14px; border: 1px solid var(--border); border-radius: 8px; font-family: "Inter", sans-serif; font-size: 15px; margin-bottom: 10px; }
.login-input:focus { outline: none; border-color: var(--accent); }
.login-msg { font-size: 13px; margin-top: 12px; }
.login-msg.ok { color: var(--accent); }
.login-msg.err { color: #b3261e; }
.login-google { display: inline-flex; align-items: center; justify-content: center; gap: 10px; }
.login-divider { display: flex; align-items: center; gap: 12px; margin: 16px 0; color: var(--muted); font-size: 13px; }
.login-divider::before, .login-divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }

.panel { position: sticky; top: 92px; }
.panel-step { display: flex; align-items: center; gap: 10px; font-family: "Fraunces", serif; font-size: 16px; margin: 22px 0 10px; }
.panel-step:first-child { margin-top: 0; }
.panel-num { width: 26px; height: 26px; border-radius: 50%; background: var(--accent); color: #fff; display: grid; place-items: center; font-family: "Inter", sans-serif; font-size: 13px; font-weight: 600; flex-shrink: 0; }

.drop { display: grid; place-items: center; text-align: center; border: 2px dashed var(--border); border-radius: 12px; min-height: 180px; cursor: pointer; color: var(--muted); overflow: hidden; transition: border-color .15s, background .15s; }
.drop:hover { border-color: var(--accent); background: var(--bg-accent); }
.drop-ico { font-size: 28px; margin-bottom: 8px; }
.drop small { display: block; margin-top: 4px; font-size: 12px; }
.preview { width: 100%; max-height: 240px; object-fit: cover; border-radius: 10px; }

.segmented { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; background: var(--bg); border: 1px solid var(--border); border-radius: 10px; padding: 4px; }
.seg-opt { background: none; border: none; padding: 9px; border-radius: 7px; cursor: pointer; font-family: "Inter", sans-serif; font-size: 13px; font-weight: 500; color: var(--muted); transition: all .12s; }
.seg-opt.active { background: var(--surface); color: var(--accent); box-shadow: var(--shadow-card); }

.style-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.style-opt { background: var(--surface); border: 1px solid var(--border); color: var(--text); padding: 12px; border-radius: 10px; cursor: pointer; font-size: 14px; font-weight: 500; transition: all .12s; }
.style-opt:hover { border-color: var(--accent); }
.style-opt.active { border-color: var(--accent); background: var(--bg-accent); color: var(--accent); }

.gen-btn { margin-top: 22px; }
.gen-btn:disabled { opacity: .5; cursor: not-allowed; }
.gen-hint { text-align: center; font-size: 13px; color: var(--muted); margin-top: 10px; }

.result { min-height: 460px; display: grid; place-items: center; gap: 16px; }
.result-empty, .result-loading { text-align: center; color: var(--muted); }
.result-ico { font-size: 46px; margin-bottom: 10px; }
.result-img { width: 100%; border-radius: 12px; box-shadow: var(--shadow-card); }
.spinner { width: 42px; height: 42px; border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%; margin: 0 auto 14px; animation: spin .9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.result-disclaimer { font-size: 13px; color: var(--muted); text-align: center; }

/* Comparatore prima/dopo del risultato */
.rcompare { position: relative; width: 100%; aspect-ratio: 1/1; border-radius: 12px; overflow: hidden; box-shadow: var(--shadow-card); user-select: none; background: var(--bg-accent); }
.rcompare-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.rcompare-before { position: absolute; inset: 0; clip-path: inset(0 50% 0 0); }
.rcompare-divider { position: absolute; top: 0; bottom: 0; left: 50%; width: 3px; background: #fff; box-shadow: 0 0 8px rgba(0,0,0,.3); cursor: ew-resize; }
.rcompare-handle { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 36px; height: 36px; border-radius: 50%; background: #fff; border: 2px solid var(--accent); color: var(--accent); display: grid; place-items: center; font-size: 15px; box-shadow: var(--shadow-card); }
.rcompare-label { position: absolute; bottom: 12px; font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px; color: #fff; }
.rcompare-label-before { left: 12px; background: rgba(28,42,51,.72); }
.rcompare-label-after { right: 12px; background: var(--gold); color: #3a2710; }
.result-toolbar { display: flex; gap: 10px; width: 100%; }
.result-toolbar .btn { flex: 1; }

.paywall { position: fixed; inset: 0; background: rgba(28,42,51,.55); display: grid; place-items: center; z-index: 80; backdrop-filter: blur(4px); padding: 20px; }
.paywall-box { max-width: 420px; text-align: center; }
.paywall-box p { color: var(--muted); margin: 8px 0 20px; }
.paywall-plans { display: grid; gap: 10px; }
.paywall-plans .btn { padding: 13px; height: auto; }
.paywall-close { background: none; border: none; color: var(--muted); margin-top: 14px; cursor: pointer; }

@media (max-width: 900px) {
  .studio { grid-template-columns: 1fr; }
  .panel { position: static; }
}