@import"https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&family=IBM+Plex+Mono:wght@400;500&display=swap";:root{--bg: #f5f3ef;--bg-2: #ece9e3;--bg-3: #e2ddd5;--surface: #faf9f7;--surface-2: #f0ede8;--border: rgba(60, 50, 40, .12);--border-md: rgba(60, 50, 40, .18);--ink: #1a1612;--ink-2: #3d3530;--ink-muted: #7a7268;--ink-faint: rgba(26, 22, 18, .38);--green: #1a7a5e;--green-light: #2a9d7a;--green-faint: rgba(26, 122, 94, .1);--green-glow: rgba(26, 122, 94, .2);--red-soft: #c0392b;--red-faint: rgba(192, 57, 43, .09);--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.05);--shadow-lg: 0 20px 60px rgba(0,0,0,.12), 0 8px 24px rgba(0,0,0,.07);--r-xs: 6px;--r-sm: 10px;--r-md: 16px;--r-lg: 24px;--r-xl: 32px;--ff-display: "DM Serif Display", Georgia, serif;--ff-body: "DM Sans", system-ui, sans-serif;--ff-mono: 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#1a7a5e40}.send-btn:hover:not(:disabled){background:#0f5c45;transform:translateY(-1px)}.send-btn:disabled{opacity:.35;cursor:not-allowed;transform:none}.input-hint{display:flex;justify-content:space-between;font-size:11px;color:var(--ink-faint);padding-top:10px}.guest-banner{display:flex;align-items:center;justify-content:center;gap:10px;padding:10px 24px;background:var(--surface);border-bottom:1px solid var(--border);border-left:3px solid var(--green);font-size:.85rem;color:var(--ink-muted);animation:fadeIn .4s ease both}.guest-banner-sep{color:var(--border-md)}.app-header-nav{display:flex;align-items:center;gap:8px}.app-header-register{width:auto;padding:8px 18px;font-size:.85rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#1a16128c;display:flex;align-items:center;justify-content:center;z-index:1000;padding:24px;animation:fadeIn .2s ease both}.modal{background:var(--surface);border:1px solid var(--border-md);border-radius:var(--r-md);box-shadow:var(--shadow-lg);max-width:440px;width:100%;padding:36px 32px 28px;position:relative;animation:slideUp .25s ease both}.modal-close{position:absolute;top:16px;right:16px;background:none;border:none;color:var(--ink-muted);font-size:1rem;cursor:pointer;padding:4px 8px;border-radius:var(--r-xs);transition:background .15s,color .15s;line-height:1}.modal-close:hover{background:var(--bg-2);color:var(--ink)}.modal-title{font-family:var(--ff-display);font-size:1.5rem;color:var(--ink);margin-bottom:12px;line-height:1.25}.modal-text{font-size:.9rem;color:var(--ink-muted);line-height:1.65;margin-bottom:24px}.modal-actions{display:flex;gap:10px;margin-bottom:20px}.modal-actions .btn-green,.modal-actions .btn-primary{width:auto;flex:1}.modal-actions .btn-secondary{flex:0 0 auto}.modal-tg-link{font-size:.8rem;color:var(--ink-faint);text-align:center;line-height:1.5}.modal-tg-link a{color:var(--green);text-decoration:none;font-weight:500}.modal-tg-link a:hover{text-decoration:underline}.admin-login{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.admin-login-card{background:var(--surface);border:1px solid var(--border-md);border-radius:var(--r-md);padding:40px 36px;width:320px;box-shadow:var(--shadow-md)}.admin-login-title{font-family:var(--ff-display);font-size:1.6rem;color:var(--ink);margin-bottom:24px;text-align:center}.admin-login-form{display:flex;flex-direction:column;gap:16px}.admin-page{min-height:100vh;background:var(--bg);display:flex;flex-direction:column}.admin-header{display:flex;align-items:center;justify-content:space-between;padding:0 32px;height:56px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.admin-header-title{font-family:var(--ff-display);font-size:1rem;color:var(--ink)}.admin-header-right{display:flex;align-items:center;gap:12px}.admin-updated{font-size:.78rem;color:var(--ink-muted)}.admin-content{max-width:900px;margin:0 auto;width:100%;padding:32px 24px;display:flex;flex-direction:column;gap:32px}.admin-section-title{font-size:.72rem;font-weight:600;color:var(--ink-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:12px}.admin-cards{display:flex;gap:12px;flex-wrap:wrap}.admin-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:20px 24px;min-width:130px;flex:1;box-shadow:var(--shadow-sm)}.admin-card-accent{border-color:#1a7a5e4d;background:var(--green-faint)}.admin-card-value{font-family:var(--ff-display);font-size:2rem;color:var(--ink);line-height:1;margin-bottom:6px}.admin-card-accent .admin-card-value{color:var(--green)}.admin-card-label{font-size:.78rem;color:var(--ink-muted);line-height:1.4}.admin-mode-bars{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:20px 24px;display:flex;flex-direction:column;gap:12px}.admin-mode-row{display:flex;align-items:center;gap:12px}.admin-mode-name{width:90px;font-size:.85rem;color:var(--ink-2);flex-shrink:0;font-weight:500}.admin-mode-bar-wrap{flex:1;height:8px;background:var(--bg-2);border-radius:4px;overflow:hidden}.admin-mode-bar{height:100%;background:var(--green);border-radius:4px;transition:width .6s ease;min-width:2px}.admin-mode-count{font-size:.8rem;color:var(--ink-muted);min-width:90px;text-align:right}.hero-landing{padding:80px 60px 60px}.hero-landing-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:72px;align-items:center}.hero-eyebrow{font-family:var(--ff-mono);font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-muted);margin-bottom:20px;display:flex;align-items:center;gap:8px}.hero-eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--green)}.hero-landing-title{font-family:var(--ff-display);font-size:4.2rem;font-weight:400;line-height:.98;letter-spacing:-.02em;color:var(--ink);margin-bottom:24px}.hero-landing-title em{font-style:italic;color:var(--green)}.hero-landing-sub{font-size:1.15rem;line-height:1.55;color:var(--ink-muted);max-width:520px;margin-bottom:36px}.hero-landing-cta{display:flex;gap:12px;margin-bottom:48px}.btn-pill{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:999px;font-weight:500;font-size:15px;cursor:pointer;transition:transform .12s ease,background .15s ease,box-shadow .15s ease;white-space:nowrap;border:none}.btn-pill-primary{background:var(--green);color:#fff;box-shadow:0 1px #ffffff26 inset,0 2px 8px #1a7a5e40}.btn-pill-primary:hover{background:#0f5c45;transform:translateY(-1px)}.btn-pill-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink)}.btn-pill-ghost:hover{background:var(--ink);color:var(--bg)}.hero-landing-trust{display:flex;align-items:center;gap:28px;flex-wrap:wrap}.hero-landing-trust-item{display:flex;flex-direction:column}.hero-landing-trust-item strong{font-family:var(--ff-display);font-size:1.8rem;line-height:1;color:var(--ink)}.hero-landing-trust-item span{font-size:12px;color:var(--ink-muted);margin-top:4px;letter-spacing:.02em}.hero-landing-trust-sep{width:1px;height:36px;background:var(--divider)}.hero-chat-mock{background:var(--surface);border:1px solid var(--divider);border-radius:18px;padding:20px;box-shadow:var(--shadow-lg);transform:rotate(.4deg)}.hero-chat-mock-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--divider-soft)}.hero-chat-mock-user{background:var(--ink);color:var(--bg);padding:12px 16px;border-radius:18px 18px 4px;max-width:75%;font-size:14px;line-height:1.5}.hero-chat-mock-citation{margin-top:14px;padding:12px;background:var(--primary-tint);border:1px solid var(--divider);border-radius:10px;display:flex;gap:10px;align-items:flex-start}@media (max-width: 820px){.auth-layout{grid-template-columns:1fr;grid-template-rows:auto 1fr}.auth-hero{padding:40px 28px;min-height:unset}.hero-title{font-size:2rem}.auth-panel{padding:40px 28px}.mode-cards-new{grid-template-columns:1fr}.mode-selector{padding:32px 20px 0}.mode-selector-intro{font-size:2rem}.how-steps{grid-template-columns:1fr 1fr}.bottom-cta-grid{grid-template-columns:1fr}.how-it-works{margin-left:-20px;margin-right:-20px;padding-left:20px;padding-right:20px}.app-main{padding:0 16px 24px}.message-bubble{max-width:88%}.app-header{padding:0 16px}.mode-selector{padding-top:32px}.mode-selector-intro{font-size:1.8rem}.hero-landing{padding:48px 20px 40px}.hero-landing-grid{grid-template-columns:1fr;gap:40px}.hero-landing-title{font-size:2.2rem}.hero-landing-sub{font-size:.95rem}.hero-landing-cta{flex-direction:column;align-items:stretch}.hero-landing-trust{gap:20px}.hero-landing-trust-item strong{font-size:1.3rem}.hero-chat-mock{transform:none}}