:root{--bg: #0b0b0d;--bg-raised: #141417;--bg-hover: #1c1c21;--border: #26262c;--text: #f4f4f5;--text-dim: #9d9da8;--text-faint: #84848f;--accent: #e82127;--accent-hover: #ff2e35;--unsup: #3ecf8e;--radius: 14px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.5}.app{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}.header{position:sticky;top:0;z-index:10;background:#0b0b0dd9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding-top:env(safe-area-inset-top)}.header-inner{max-width:980px;margin:0 auto;padding:12px calc(20px + env(safe-area-inset-right)) 12px calc(20px + 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var(--border)}.confirm-message{margin:0;font-size:15px;color:var(--text-dim);line-height:1.55}.btn-danger-solid{background:#b3252c;color:#fff;border-color:transparent}.btn-danger-solid:hover:not(:disabled){background:#cf2b33}.field-hint{font-style:normal;font-weight:400;color:var(--text-faint);font-size:11px}.form-error{margin:0;font-size:13px;color:#ff6b70}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:4px}.status-panel{padding:64px 16px;display:flex;flex-direction:column;align-items:center;gap:16px;color:var(--text-dim)}.error-text{color:#ff6b70;margin:0}.spinner{width:28px;height:28px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:fixed;bottom:calc(20px + env(safe-area-inset-bottom));left:50%;transform:translate(-50%);z-index:60;background:var(--bg-hover);border:1px solid var(--border);color:var(--text);font-size:14px;padding:10px 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