:root{--bg: #181818;--panel: #141414;--element: #262626;--element-hover: #333333;--text: #e5e5e5;--text-muted: #737373;--accent: #88c0d0;--accent-hover: #8ecece;--border: #262626;--font-mono: "Geist Mono", "SF Mono", "Menlo", "Monaco", monospace;--safe-top: env(safe-area-inset-top, 0px);--safe-right: env(safe-area-inset-right, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-left: env(safe-area-inset-left, 0px)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-mono);background:var(--bg);color:var(--text);min-height:100vh;line-height:1.5;overscroll-behavior:none;-webkit-tap-highlight-color:transparent}.app{display:flex;flex-direction:column;min-height:100vh;padding-top:var(--safe-top);padding-left:var(--safe-left);padding-right:var(--safe-right)}.header{padding:0 24px 24px;border-bottom:1px solid var(--border)}.title{font-size:18px;font-weight:500;letter-spacing:-.01em;color:var(--text)}.subtitle{font-size:12px;color:var(--text-muted);margin-top:4px}.custom-titlebar{display:flex;justify-content:center;align-items:center;min-height:38px;padding:0 16px 0 76px;background:var(--bg);position:relative;width:100%;user-select:none;transition:opacity .2s ease}.custom-titlebar.custom-titlebar-hidden{opacity:0;visibility:hidden}.app-title{font-size:13px;font-weight:500;color:var(--text-muted);margin:0;position:absolute;left:50%;transform:translate(-50%);pointer-events:none;user-select:none}.header-controls{display:flex;align-items:center;gap:4px;position:absolute;right:16px}.custom-titlebar>.btn-icon{position:absolute;right:16px}.main{flex:1;position:relative;padding:0 24px;min-width:0;pointer-events:auto;display:flex;align-items:center;justify-content:center;padding-bottom:var(--safe-bottom)}.rsvp-reader{--rsvp-display-min-height: 7.5em;--rsvp-progress-gap: 1.25em;--rsvp-progress-top: 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