:root{--bg-page: #0b0f17;--bg-card: #111827;--bg-card-hover: #162032;--bg-card-subtle: #1a2438;--bg-input: #0e1522;--bg-elevated: #1f2c42;--border-subtle: #1e293b;--border-medium: #334155;--border-active: #0d9488;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--text-inverse: #0b0f17;--brand-primary: #0d9488;--brand-primary-hover: #0f766e;--brand-primary-light: rgba(13, 148, 136, .15);--brand-glow: rgba(13, 148, 136, .25);--accent-emerald: #10b981;--accent-emerald-subtle: rgba(16, 185, 129, .12);--accent-amber: #f59e0b;--accent-amber-subtle: rgba(245, 158, 11, .12);--accent-rose: #f43f5e;--accent-rose-subtle: rgba(244, 63, 94, .12);--accent-blue: #38bdf8;--accent-blue-subtle: rgba(56, 189, 248, .12);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", monospace;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px 0 rgba(0, 0, 0, .4);--shadow-lg: 0 10px 30px -5px rgba(0, 0, 0, .5);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-page);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;display:flex;flex-direction:column}#root{display:flex;flex-direction:column;min-height:100vh;width:100%}a{color:var(--brand-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--brand-primary-hover)}.app-container{max-width:1100px;margin:0 auto;padding:0 1.25rem;width:100%}.main-content{flex:1;padding:2rem 0 4rem}h1,h2,h3,h4{color:var(--text-primary);font-weight:600;letter-spacing:-.02em;line-height:1.25}h1{font-size:2.25rem}h2{font-size:1.65rem}h3{font-size:1.25rem}h4{font-size:1.05rem}p{color:var(--text-secondary);font-size:.975rem}.mono{font-family:var(--font-mono);letter-spacing:.04em}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--font-sans);font-size:.925rem;font-weight:500;padding:.65rem 1.15rem;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;-webkit-user-select:none;user-select:none}.btn-primary{background-color:var(--brand-primary);color:#fff;border-color:var(--brand-primary)}.btn-primary:hover:not(:disabled){background-color:var(--brand-primary-hover);border-color:var(--brand-primary-hover);box-shadow:0 0 15px var(--brand-glow)}.btn-secondary{background-color:var(--bg-card-subtle);color:var(--text-primary);border-color:var(--border-medium)}.btn-secondary:hover:not(:disabled){background-color:var(--bg-card-hover);border-color:var(--text-muted)}.btn-outline{background-color:transparent;color:var(--text-primary);border-color:var(--border-medium)}.btn-outline:hover:not(:disabled){background-color:var(--bg-card-subtle);border-color:var(--brand-primary)}.btn-danger{background-color:var(--accent-rose-subtle);color:var(--accent-rose);border-color:#f43f5e4d}.btn-danger:hover:not(:disabled){background-color:var(--accent-rose);color:#fff}.btn-sm{padding:.4rem .75rem;font-size:.825rem;border-radius:var(--radius-sm)}.btn-lg{padding:.85rem 1.6rem;font-size:1.05rem;border-radius:var(--radius-lg)}.btn:disabled{opacity:.5;cursor:not-allowed}.card{background-color:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-sm);transition:border-color var(--transition-fast)}.card:hover{border-color:var(--border-medium)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.25rem;gap:1rem}.badge{display:inline-flex;align-items:center;gap:.35rem;padding:.25rem .65rem;border-radius:var(--radius-full);font-size:.775rem;font-weight:500;letter-spacing:.02em}.badge-emerald{background-color:var(--accent-emerald-subtle);color:var(--accent-emerald);border:1px solid rgba(16,185,129,.25)}.badge-amber{background-color:var(--accent-amber-subtle);color:var(--accent-amber);border:1px solid rgba(245,158,11,.25)}.badge-rose{background-color:var(--accent-rose-subtle);color:var(--accent-rose);border:1px solid rgba(244,63,94,.25)}.badge-blue{background-color:var(--accent-blue-subtle);color:var(--accent-blue);border:1px solid rgba(56,189,248,.25)}.badge-neutral{background-color:var(--bg-card-subtle);color:var(--text-secondary);border:1px solid var(--border-medium)}.pulse-dot{width:6px;height:6px;border-radius:50%;background-color:currentColor;animation:pulse-animation 2s infinite ease-in-out}@keyframes pulse-animation{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.85)}}.form-group{margin-bottom:1.25rem;display:flex;flex-direction:column;gap:.4rem}.form-label{font-size:.875rem;font-weight:500;color:var(--text-secondary);display:flex;justify-content:space-between;align-items:center}.form-input,.form-select,.form-textarea{width:100%;padding:.65rem .95rem;background-color:var(--bg-input);border:1px solid var(--border-medium);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-sans);font-size:.925rem;transition:all var(--transition-fast)}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--brand-primary);box-shadow:0 0 0 3px var(--brand-primary-light)}.form-input::placeholder,.form-textarea::placeholder{color:var(--text-muted)}.form-hint{font-size:.8rem;color:var(--text-muted)}.navbar{border-bottom:1px solid var(--border-subtle);background-color:#0b0f17d9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:sticky;top:0;z-index:40}.navbar-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.brand-logo{display:flex;align-items:center;gap:.65rem;font-weight:700;font-size:1.15rem;color:var(--text-primary);letter-spacing:-.02em}.brand-logo svg{color:var(--brand-primary)}.nav-links{display:flex;align-items:center;gap:.75rem}.nav-btn{padding:.45rem .85rem;font-size:.875rem;font-weight:500;color:var(--text-secondary);border-radius:var(--radius-md);transition:all 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var(--border-subtle);background-color:var(--bg-card-subtle);display:flex;align-items:center;justify-content:space-between}.chat-messages{flex:1;overflow-y:auto;padding:1.25rem;display:flex;flex-direction:column;gap:.85rem}.chat-bubble{max-width:75%;padding:.75rem 1rem;border-radius:var(--radius-lg);font-size:.925rem;line-height:1.45;position:relative;word-break:break-word}.chat-bubble.mine{align-self:flex-end;background-color:var(--brand-primary);color:#fff;border-bottom-right-radius:var(--radius-sm)}.chat-bubble.theirs{align-self:flex-start;background-color:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border-medium);border-bottom-left-radius:var(--radius-sm)}.chat-bubble.system{align-self:center;background-color:var(--bg-input);color:var(--text-muted);border:1px dashed var(--border-medium);font-size:.8rem;text-align:center;max-width:90%;border-radius:var(--radius-md);padding:.5rem 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var(--border-subtle);display:flex;align-items:center;justify-content:space-between}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#000000bf;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:50;padding:1rem}.modal-card{background-color:var(--bg-card);border:1px solid var(--border-medium);border-radius:var(--radius-xl);width:100%;max-width:480px;padding:1.75rem;box-shadow:var(--shadow-lg);animation:modal-enter .2s cubic-bezier(.16,1,.3,1)}@keyframes modal-enter{0%{opacity:0;transform:scale(.95) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}.toast-container{position:fixed;bottom:1.5rem;right:1.5rem;z-index:60;display:flex;flex-direction:column;gap:.5rem}.toast{background-color:var(--bg-elevated);border:1px solid var(--border-medium);color:var(--text-primary);padding:.75rem 1rem;border-radius:var(--radius-md);font-size:.875rem;display:flex;align-items:center;gap:.5rem;box-shadow:var(--shadow-md);animation:toast-in .2s ease-out}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media(max-width:640px){h1{font-size:1.75rem}h2{font-size:1.35rem}.chat-container{height:calc(100vh - 140px)}.pairing-code-display{font-size:1.8rem}}