:root{--studio-bg:#fafafa;--studio-bg-soft:#f5f5f5;--studio-surface:#fff;--studio-panel:#fff6;--studio-panel-strong:#ffffffb3;--studio-line:#0000000d;--studio-line-strong:#0000001a;--studio-text:#171717;--studio-copy:#404040;--studio-muted:#737373;--studio-faint:#a1a1a1;--studio-black:#171717;--studio-purple:#7f22fe;--studio-green:#00bc7d;--studio-amber-bg:#fffbeb;--studio-amber-border:#fef3c6;--studio-amber-text:#bb4d00}*{box-sizing:border-box}html,body{min-height:100%}body{background:var(--studio-bg);color:var(--studio-text);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans SC,Noto Sans JP,Noto Sans KR,sans-serif}button,textarea,select,input{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.58}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline-offset:2px;outline:3px 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32px);color:var(--studio-copy);background:#fffffff0;border-radius:16px;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;display:flex;position:fixed;bottom:24px;right:24px;transform:none;box-shadow:0 12px 32px #0000001f}.studio-tip strong{color:var(--studio-text);font-size:13px;line-height:19.5px;display:block}.studio-tip p{white-space:pre-line;margin:1px 0 0;font-size:12px;line-height:18px}.studio-tip a{background:var(--studio-black);color:#fff;border-radius:999px;flex:none;padding:7px 10px;font-size:12px;font-weight:500}.studio-tip-success{border-color:#00bc7d52}.studio-tip-warning{border-color:#bb4d0059}.studio-tip-error{border-color:#dc26264d}.share-dialog-backdrop{z-index:30;background:#1717176b;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.prompt-share-dialog{border:1px solid var(--studio-line-strong);background:#fff;border-radius:8px;width:min(900px,100%);max-height:min(860px,100vh - 48px);overflow:auto;box-shadow:0 24px 70px -24px #00000059}.share-dialog-header{border-bottom:1px solid var(--studio-line);justify-content:space-between;align-items:flex-start;gap:16px;padding:20px 22px 16px;display:flex}.share-dialog-eyebrow{color:var(--studio-muted);margin:0 0 4px;font-size:12px;font-weight:700}.share-dialog-header h2{color:var(--studio-text);letter-spacing:0;margin:0;font-size:22px;line-height:30px}.share-dialog-close{border:1px solid var(--studio-line-strong);width:32px;height:32px;color:var(--studio-copy);background:#fff;border-radius:999px;font-size:15px;font-weight:700}.share-dialog-body{grid-template-columns:minmax(260px,420px) minmax(0,1fr);gap:20px;padding:22px;display:grid}.prompt-share-card-preview{border:1px solid var(--studio-line-strong);background:var(--studio-bg-soft);border-radius:8px;overflow:hidden}.prompt-share-card-preview img{aspect-ratio:1;object-fit:contain;background:#f5f5f5;width:100%;display:block}.prompt-share-card-copy{background:#fff;gap:7px;padding:16px;display:grid}.prompt-share-card-copy span{color:var(--studio-muted);font-size:12px;font-weight:700}.prompt-share-card-copy strong{color:var(--studio-text);font-size:18px;line-height:25px}.prompt-share-card-copy p{color:var(--studio-copy);margin:0;font-size:13px;line-height:21px}.share-dialog-actions{flex-direction:column;gap:10px;display:flex}.share-dialog-actions a,.share-dialog-actions button{border:1px solid var(--studio-line-strong);min-height:42px;color:var(--studio-text);background:#fff;border-radius:999px;justify-content:center;align-items:center;padding:0 16px;font-size:14px;font-weight:600;display:inline-flex}.share-dialog-actions .share-dialog-primary{border-color:var(--studio-black);background:var(--studio-black);color:#fff}.share-dialog-compliance,.share-dialog-status{color:var(--studio-muted);margin:0;padding:0 22px 18px;font-size:12px;line-height:18px}.share-dialog-status.is-copied,.share-dialog-status.is-downloaded{color:#047857}.share-dialog-status.is-failed{color:#b91c1c}.share-page{background:var(--studio-bg-soft);place-items:center;min-height:100vh;padding:32px 16px;display:grid}.share-card{border:1px solid var(--studio-line-strong);background:#fff;border-radius:8px;grid-template-columns:minmax(260px,420px) minmax(0,1fr);width:min(920px,100%);display:grid;overflow:hidden;box-shadow:0 20px 60px -28px #00000038}.share-unavailable-card{grid-template-columns:1fr;width:min(520px,100%)}.share-image-wrap{aspect-ratio:1;background:#f5f5f5;min-width:0;position:relative;overflow:hidden}.share-protected-image{-webkit-user-drag:none;-webkit-user-select:none;user-select:none;background-position:50%;background-repeat:no-repeat;background-size:contain;width:100%;height:100%;display:block}.share-watermark{color:#fff;text-align:center;text-shadow:0 1px 2px #00000073;transform-origin:50%;white-space:nowrap;background:#1717179e;border:1px solid #ffffffa3;border-radius:8px;width:150%;padding:10px 16px;font-size:clamp(12px,2.7vw,16px);font-weight:700;line-height:22px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)rotate(-18deg)}.share-content{flex-direction:column;gap:14px;min-width:0;padding:28px;display:flex}.share-eyebrow{color:var(--studio-muted);margin:0;font-size:12px;font-weight:700;line-height:18px}.share-content h1{color:var(--studio-text);letter-spacing:0;margin:0;font-size:28px;line-height:36px}.share-compliance{border:1px solid var(--studio-amber-border);background:var(--studio-amber-bg);color:var(--studio-amber-text);border-radius:8px;margin:0;padding:10px 12px;font-size:13px;font-weight:600;line-height:20px}.share-prompt{border:1px solid var(--studio-line);min-height:112px;max-height:220px;color:var(--studio-copy);white-space:pre-wrap;background:#fafafa;border-radius:8px;margin:0;padding:14px;font-size:15px;line-height:24px;overflow:auto}.share-copy-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.share-copy-actions button{border:1px solid var(--studio-line-strong);min-height:34px;color:var(--studio-copy);background:#fff;border-radius:999px;padding:0 12px;font-size:13px;font-weight:600}.share-copy-actions span{color:var(--studio-muted);font-size:12px}.share-copy-actions .is-copied{color:#047857}.share-copy-actions .is-failed{color:#b91c1c}.share-copy-toast{z-index:60;color:#fff;text-align:center;background:linear-gradient(135deg,#171717f5,#404040f0);border:1px solid #ffffff2e;border-radius:999px;min-width:128px;max-width:min(320px,100vw - 32px);padding:11px 18px;font-size:14px;font-weight:700;line-height:20px;position:fixed;bottom:28px;left:50%;transform:translate(-50%);box-shadow:0 18px 40px -20px #00000073}.share-copy-toast.is-copied,.share-copy-toast.is-downloaded,.share-copy-toast.is-failed{color:#fff;background:linear-gradient(135deg,#171717f5,#404040f0)}.share-actions{justify-content:space-between;align-items:center;gap:12px;margin-top:auto;display:flex}.share-primary,.share-report button{background:var(--studio-black);color:#fff;border:0;border-radius:999px;justify-content:center;align-items:center;min-height:40px;padding:0 16px;font-size:14px;font-weight:600;display:inline-flex}.share-report{color:var(--studio-muted);align-items:center;gap:8px;font-size:12px;line-height:18px;display:flex}.share-report button{border:1px solid var(--studio-line-strong);color:var(--studio-copy);background:#fff}@media (max-width:980px){.studio-app{height:auto;min-height:100vh;overflow:visible}.studio-topbar{flex-wrap:wrap;height:auto;min-height:56px;padding:10px 14px}.studio-nav{order:3;width:100%;position:static;transform:none}.studio-account{margin-left:auto}.global-stats-full{display:none}.global-stats-compact{display:inline}.studio-grid{grid-template-columns:1fr;height:auto;min-height:0}.prompt-panel{grid-template-rows:auto auto;height:auto;min-height:0}.canvas-area{order:-1;grid-template-rows:auto minmax(0,1fr) auto auto;min-height:0}.image-stage{padding:16px 0}.library-panel{border-left:0;border-top:1px solid var(--studio-line);grid-template-rows:auto auto minmax(0,1fr);height:calc(100vh - 24px);min-height:0;max-height:calc(100vh - 24px);overflow:hidden}.prompt-panel{border-right:0;border-top:1px solid var(--studio-line)}.left-panel-scroll{max-height:none;padding-bottom:28px;overflow:visible}.library-scroll{scrollbar-width:thin;min-height:0;max-height:none;overflow-y:auto}.library-scroll::-webkit-scrollbar{width:6px;display:block}.header-context-panel{top:76px}.share-card,.share-dialog-body{grid-template-columns:1fr}.share-image-wrap{max-height:420px}}@media (max-width:560px){.studio-brand-group{justify-content:space-between;width:100%}.studio-brand{min-width:0}.studio-account{justify-content:space-between;width:100%;margin-left:0}.quota-pill,.global-stats-pill,.invite-pill,.login-pill,.balance-pill,.account-email-pill,.logout-pill{flex:auto}.canvas-meta{padding:12px 16px 0}.canvas-actions{justify-content:center;padding:10px 16px}.save-button{width:auto;padding:0 14px}.share-card-button{flex:160px;min-width:0}.main-image-frame{max-width:calc(100% - 32px);max-height:min(70vh,520px)}.canvas-history{padding:13px 16px 12px}.studio-tip{bottom:18px;left:50%;right:auto;transform:translate(-50%)}.prompt-card textarea{min-height:150px}.preset-grid,.prompt-library-grid{grid-template-columns:1fr 1fr}.invite-copy-row{grid-template-columns:1fr}.share-content{padding:20px}.share-dialog-backdrop{padding:12px}.prompt-share-dialog{max-height:calc(100vh - 24px)}.share-dialog-header,.share-dialog-body{padding:18px}.share-content h1{font-size:24px;line-height:32px}.share-actions{flex-direction:column;align-items:stretch}.share-report{justify-content:space-between}.share-watermark{width:165%;font-size:12px;line-height:18px}}