@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap";.app-shell{min-height:100vh;background-color:var(--color-bg)}.app-shell-header{position:sticky;top:0;z-index:100;background:var(--color-bg-overlay-strong);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--color-border)}.app-shell-header-inner,.app-shell-container{margin:0 auto;padding-left:var(--space-6);padding-right:var(--space-6)}.app-shell-header-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);min-height:64px;padding-top:var(--space-3);padding-bottom:var(--space-3)}.app-shell-logo{display:flex;align-items:center;text-decoration:none;color:inherit}.app-shell-nav{display:flex;align-items:center;gap:var(--space-3);min-width:0}.app-shell-main{padding:var(--space-8) 0 var(--space-12)}.user-email{color:var(--color-text-subtle);font-size:var(--text-xs);max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.page-header{display:flex;justify-content:space-between;align-items:flex-end;gap:var(--space-4);margin-bottom:var(--space-8)}.page-header h1,.page-title{font-size:var(--text-2xl);font-weight:var(--weight-bold);letter-spacing:-.03em;line-height:var(--leading-tight);color:var(--color-text)}.page-header p,.page-subtitle{margin-top:var(--space-2);font-size:var(--text-base);color:var(--color-text-muted);line-height:var(--leading-relaxed)}.page-header-actions{display:flex;flex-wrap:wrap;gap:var(--space-2)}.card{background:linear-gradient(180deg,rgba(255,255,255,.03),transparent 42%),var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-inset),var(--shadow-sm);padding:var(--space-6)}.card-hover{transition:border-color var(--dur-med) var(--ease-out),box-shadow var(--dur-med) var(--ease-out)}.card-hover:hover{border-color:var(--color-signal-border);box-shadow:var(--shadow-inset),var(--shadow-md)}.icon-tile{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--radius-md);background:var(--color-signal-dim);color:var(--color-signal);border:1px solid var(--color-signal-border-soft);flex-shrink:0}.icon-tile-lg{width:52px;height:52px;border-radius:var(--radius-lg)}.badge{display:inline-flex;align-items:center;gap:var(--space-1);padding:.2rem .55rem;border-radius:var(--radius-sm);border:1px solid var(--color-border-strong);background:var(--color-surface-raised);color:var(--color-text-muted);font-size:var(--text-2xs);font-weight:var(--weight-semibold);letter-spacing:.06em;text-transform:uppercase}.badge-signal{background:var(--color-signal);color:var(--color-text-on-signal);border-color:var(--color-signal)}.badge-success{background:var(--color-success-dim);color:var(--color-success);border-color:var(--color-success-border)}.badge-danger{background:var(--color-danger-dim);color:var(--color-danger);border-color:var(--color-danger-border)}.field{display:flex;flex-direction:column;gap:var(--space-2)}.field-label{font-size:var(--text-sm);font-weight:var(--weight-medium);color:var(--color-text-muted)}.field-input,.search-input,.filter-select{width:100%;padding:.65rem .9rem;background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);color:var(--color-text);font-size:var(--text-sm);font-family:var(--font-ui);transition:border-color var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out)}.field-input::placeholder,.search-input::placeholder{color:var(--color-text-subtle)}.field-input:focus,.search-input:focus,.filter-select:focus{outline:none;border-color:var(--color-signal);box-shadow:0 0 0 3px var(--color-signal-dim)}.chip-row{display:flex;flex-wrap:wrap;gap:var(--space-2)}.chip{border:1px solid var(--color-border-strong);background:transparent;color:var(--color-text-muted);border-radius:var(--radius-full);padding:.35rem .85rem;font-family:var(--font-ui);font-size:var(--text-xs);font-weight:var(--weight-semibold);cursor:pointer}.chip[aria-pressed=true]{background:var(--color-signal-dim);color:var(--color-signal);border-color:var(--color-signal-border)}.empty-state{text-align:center;padding:var(--space-12) var(--space-6);border:1px dashed var(--color-border-strong);border-radius:var(--radius-lg);background:var(--color-surface)}.empty-state .icon-tile{margin:0 auto var(--space-3)}.empty-state h3{font-size:var(--text-lg);font-weight:var(--weight-semibold);margin:var(--space-3) 0 var(--space-2)}.empty-state p{color:var(--color-text-muted);margin-bottom:var(--space-4);font-size:var(--text-sm)}.skeleton{background:linear-gradient(90deg,var(--color-surface) 0%,var(--color-surface-raised) 50%,var(--color-surface) 100%);background-size:200% 100%;animation:skeleton-shimmer 1.4s ease-in-out infinite;border-radius:var(--radius-md)}.skeleton-card{height:220px;border-radius:var(--radius-lg)}@keyframes skeleton-shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}.modal-backdrop{position:fixed;inset:0;background:var(--color-bg-overlay-strong);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:200}.modal{position:fixed;z-index:201;top:50%;left:50%;transform:translate(-50%,-50%);width:min(520px,calc(100vw - 32px));background:var(--color-surface);border:1px solid 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.15);--color-success: #34D399;--color-success-dim: rgba(52, 211, 153, .12);--color-success-border: rgba(52, 211, 153, .3);--color-danger: #F87171;--color-danger-dim: rgba(248, 113, 113, .12);--color-danger-border: rgba(248, 113, 113, .3);--color-danger-hover: rgba(248, 113, 113, .22);--color-warning: #F59E0B;--color-warning-dim: rgba(245, 158, 11, .12);--color-info: #60A5FA;--color-bg-overlay: rgba(11, 15, 24, .72);--color-bg-overlay-strong: rgba(11, 15, 24, .88);--color-text-on-signal: #0B0F18;--color-ink-muted: rgba(11, 15, 24, .62);--color-scrim: rgba(0, 0, 0, .35);--color-text: #F1F5F9;--color-text-muted: #94A3B8;--color-text-subtle: #8B9CB3;--font-ui: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "Space Mono", ui-monospace, monospace;--text-2xs: .6875rem;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-md: 1.125rem;--text-lg: 1.25rem;--text-xl: 1.5rem;--text-2xl: 2rem;--text-3xl: 3rem;--leading-tight: 1.15;--leading-snug: 1.35;--leading-normal: 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.2s;font-family:var(--font-ui);line-height:var(--leading-normal);font-weight:var(--weight-regular);color:var(--color-text);background-color:var(--color-bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box;margin:0;padding:0}body{margin:0;min-width:320px;min-height:100vh;background-color:var(--color-bg);color:var(--color-text)}#root{min-height:100vh}:focus-visible{outline:1px solid var(--color-signal);outline-offset:2px;box-shadow:0 0 0 3px var(--color-signal-dim)}.tabular{font-variant-numeric:tabular-nums}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);min-height:40px;padding:.625rem 1.25rem;font-family:var(--font-ui);font-size:var(--text-sm);font-weight:var(--weight-semibold);text-align:center;text-decoration:none;border:1px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:background-color var(--dur-fast) var(--ease-out),border-color var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) 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.875rem;font-size:var(--text-xs)}.btn-large,.btn-lg{min-height:48px;padding:.875rem 2rem;font-size:var(--text-md)}.btn-block{width:100%;display:flex}.btn-icon{min-width:40px;padding-inline:.75rem}.btn-spinner{width:.95em;height:.95em;border:2px solid currentColor;border-right-color:transparent;border-radius:var(--radius-full);animation:btn-spin .7s linear infinite}@keyframes btn-spin{to{transform:rotate(360deg)}}@media(pointer:coarse){.btn{min-height:44px}}@media(prefers-reduced-motion:no-preference){.btn-primary:hover:not(:disabled){transform:translateY(-1px)}.btn:active:not(:disabled){transform:translateY(0) 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.35rem;font-size:1.0625rem;font-weight:700;letter-spacing:-.02em;color:var(--color-text)}.landing-beta-desc{margin:0;font-size:.9375rem;line-height:1.55;color:var(--color-text-muted)}.landing-beta-cta{flex-shrink:0;white-space:nowrap}.hero-title{font-size:3.75rem;font-weight:800;line-height:1.1;letter-spacing:-.04em;margin-bottom:1.5rem;color:var(--color-text)}.highlight{color:var(--color-signal)}.hero-subtitle{font-size:1.2rem;color:var(--color-text-muted);margin-bottom:2.5rem;line-height:1.7;max-width:600px;margin-left:auto;margin-right:auto}.hero-cta{display:flex;gap:.875rem;justify-content:center;flex-wrap:wrap;margin-bottom:4rem}.morse-demo{display:inline-flex;flex-direction:column;align-items:center;gap:1rem;padding:2rem 3rem;background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-xl);box-shadow:var(--shadow-signal)}.morse-pattern{font-family:var(--font-mono);font-size:2.25rem;letter-spacing:.4rem;line-height:1;display:flex;align-items:center;gap:.125rem}.dot,.dash{color:var(--color-signal)}.space{width:1.5rem;display:inline-block}.morse-translation{font-family:var(--font-mono);font-size:1.25rem;font-weight:700;letter-spacing:.6rem;color:var(--color-text-muted);margin:0;text-transform:uppercase}.features{padding:6rem 2rem;background:var(--color-surface)}.container{max-width:1200px;margin:0 auto}.section-title{text-align:center;font-size:2.25rem;font-weight:700;letter-spacing:-.03em;margin-bottom:3rem;color:var(--color-text)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}.feature-card{background:linear-gradient(180deg,rgba(255,255,255,.03),transparent 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p{color:var(--color-text-subtle);line-height:1.6;font-size:.9375rem}.footer-section ul{list-style:none;padding:0;margin:0}.footer-section li{margin-bottom:.5rem}.footer-section a{color:var(--color-text-muted);text-decoration:none;font-size:.9375rem;transition:color .15s}.footer-section a:hover{color:var(--color-signal)}.footer-bottom{border-top:1px solid var(--color-border);padding-top:1.5rem;text-align:center;color:var(--color-text-subtle);font-size:.875rem}@media(max-width:768px){.landing-beta{flex-direction:column;align-items:stretch;text-align:center}.landing-beta-copy{flex-direction:column;align-items:center;text-align:center}.landing-beta-cta{width:100%}.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1rem}.morse-pattern{font-size:1.5rem;letter-spacing:.25rem}.morse-demo{padding:1.5rem 2rem}.section-title{font-size:1.875rem}.features-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr;gap:2rem}.nav-content{flex-direction:column;gap:1rem}.cta 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10px;border-radius:var(--radius-md);min-width:36px;display:flex;align-items:center;justify-content:center;border:none;cursor:pointer;font-size:.9375rem;transition:background-color .15s}.chat-room-action-button.my-action{background-color:var(--color-scrim)}.chat-room-action-button.their-action{background-color:var(--color-surface)}.chat-room-action-button:hover{background-color:#ffffff26}.chat-room-action-button.active{background-color:var(--color-signal-dim);color:var(--color-signal)}.chat-room-message-footer{display:flex;align-items:center;gap:6px;margin-bottom:6px}.chat-room-timestamp{font-size:.6875rem}.chat-room-my-timestamp{color:var(--color-ink-muted)}.chat-room-their-timestamp{color:var(--color-text-subtle)}.chat-room-wpm{font-size:.625rem;font-weight:700;font-family:var(--font-mono)}.chat-room-my-wpm{color:var(--color-ink-muted)}.chat-room-their-wpm{color:var(--color-text-subtle)}.chat-room-input-container{border-top:1px solid var(--color-border);background-color:var(--color-surface);padding-bottom:10px}.chat-room-input-mode-toggle{display:flex;align-items:center;padding:.75rem 1rem;gap:6px}.chat-room-mode-button{flex:1;padding:7px 1rem;background-color:var(--color-surface-raised);border-radius:var(--radius-md);border:1px solid var(--color-border);color:var(--color-text-muted);font-size:.8125rem;font-weight:600;font-family:var(--font-ui);cursor:pointer;transition:background-color var(--dur-fast) var(--ease-out),border-color var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out),opacity var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out)}.chat-room-mode-button:hover{background-color:var(--color-surface);color:var(--color-text)}.chat-room-mode-button.active{background-color:var(--color-signal-dim);border-color:var(--color-signal);color:var(--color-signal)}.chat-room-auto-play-toggle{display:flex;align-items:center;gap:6px;margin-left:auto;font-size:.8125rem;color:var(--color-text-muted);cursor:pointer;-webkit-user-select:none;user-select:none}.chat-room-auto-play-toggle input[type=checkbox]{width:16px;height:16px;cursor:pointer;accent-color:var(--color-signal)}.chat-room-auto-play-toggle:hover{color:var(--color-text)}.chat-room-text-input-row{display:flex;align-items:flex-end;padding:.75rem 1rem;gap:6px}.chat-room-text-input{flex:1;background-color:var(--color-surface-raised);border:1px solid var(--color-border-strong);border-radius:var(--radius-lg);padding:.625rem 1rem;color:var(--color-text);font-size:.9375rem;font-family:var(--font-ui);resize:vertical;max-height:100px;transition:border-color .15s}.chat-room-text-input::placeholder{color:var(--color-text-subtle)}.chat-room-text-input:focus{outline:none;border-color:var(--color-signal)}.chat-room-send-button{background-color:var(--color-signal);border-radius:var(--radius-lg);padding:.625rem 1.25rem;border:none;color:var(--color-text-on-signal);font-size:.9375rem;font-weight:700;font-family:var(--font-ui);cursor:pointer;transition:background-color .15s}.chat-room-send-button:hover:not(:disabled){background-color:var(--color-signal-hover)}.chat-room-send-button.disabled{background-color:var(--color-surface-raised);color:var(--color-text-subtle);cursor:not-allowed}.chat-room-character-counter{font-size:.6875rem;color:var(--color-text-subtle);text-align:right;padding:2px 1rem 6px}#root{min-height:100vh;background-color:var(--color-bg)}