:root{color:#2f3148;background:#f6f1ea;font-family:var(--font-ui);--font-ui: "Aptos", "Segoe UI", "Helvetica Neue", sans-serif;--font-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;--focus-ring: #4b46b0;--brand-600: #4b46b0;--brand-700: #3f3a98;--type-label: .92rem;--type-body: 1rem;--type-input: 1rem;--type-hero-desktop: clamp(3.5rem, 5vw, 4rem);--type-hero-mobile: 2.25rem;--paper: #fffaf2;--paper-soft: #f8efe2;--paper-warm: #fff4e2;--ink: #2f3148;--ink-soft: #55576f;--muted: #605c6e;--line: #e5d9cd;--line-strong: #d8c8bb;--blue: #d7e5f5;--blue-strong: #486e9c;--lilac: #ded6f2;--lilac-strong: #7565a8;--coral: #f3b39f;--rose: #f9ded8;--amber: #f4cc7a;--danger: #b85d66;--success: #2a8157;--shadow-sm: 0 10px 30px rgba(78, 72, 96, .1);--shadow: 0 24px 80px rgba(78, 72, 96, .16);--radius: 10px;--radius-sm: 8px;--panel-bg: rgba(255, 250, 242, .86);--panel-strong: rgba(255, 255, 255, .76);--control-bg: rgba(255, 250, 242, .78);--control-hover: #fffdf8;--logo-bg: linear-gradient(135deg, #fffaf2, #d7e5f5);--logo-ink: #486e9c;--chip-bg: rgba(215, 229, 245, .78);--danger-bg: rgba(249, 222, 216, .86);--table-head: rgba(215, 229, 245, .46);--app-bg: linear-gradient(135deg, #fff9ef, #f6f1ea 54%, #edf3f8)}*{box-sizing:border-box}.skip-link{position:absolute;left:12px;top:-60px;z-index:100;padding:10px 14px;border-radius:var(--radius-sm);background:var(--brand-600);color:#fffaf2;font-weight:800;text-decoration:none;transition:top .16s ease}.skip-link:focus{top:12px}body{margin:0;min-width:320px;min-height:100vh}button,input,textarea{font-family:var(--font-ui);font-size:var(--type-input)}button{cursor:pointer}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}.auth-page{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(400px,.92fr);background:linear-gradient(90deg,rgba(47,49,72,.035) 1px,transparent 1px),linear-gradient(rgba(47,49,72,.035) 1px,transparent 1px),linear-gradient(135deg,#fff9ef,#f6f1ea 48%,#edf3f8);background-size:32px 32px,32px 32px,auto}[data-theme=dark]{color:#dcd5e6;--paper: #22223a;--paper-soft: #242438;--paper-warm: #2a2a40;--ink: #e8e0ec;--ink-soft: #c5bdcf;--muted: #ada5bb;--line: rgba(255, 255, 255, .1);--line-strong: rgba(255, 255, 255, .16);--blue: rgba(134, 173, 214, .2);--blue-strong: #b8d6f2;--lilac: rgba(155, 139, 199, .32);--lilac-strong: #d7cbff;--coral: #edaa96;--rose: rgba(232, 149, 150, .2);--amber: #e8c174;--danger: #ef9aa4;--success: #8fd8ad;--shadow-sm: 0 10px 30px rgba(12, 10, 18, .24);--shadow: 0 28px 90px rgba(8, 7, 13, .42);--panel-bg: #22223a;--panel-strong: #26263f;--control-bg: rgba(52, 52, 76, .88);--control-hover: rgba(64, 64, 91, .96);--logo-bg: linear-gradient(135deg, #34344d, #2a2a3a);--logo-ink: #f5f3fb;--chip-bg: rgba(134, 173, 214, .16);--danger-bg: rgba(239, 154, 164, .14);--table-head: rgba(169, 200, 232, .12);--app-bg: radial-gradient(circle at 78% 12%, rgba(86, 107, 150, .16), transparent 30%), radial-gradient(circle at 22% 86%, rgba(97, 86, 134, .14), transparent 30%), linear-gradient(135deg, #16161e, #1c1c27 54%, #212130)}[data-theme=dark] .brand-mark{border-color:#ffffff1f;background:#2a2a3a;color:var(--ink);box-shadow:inset 0 1px #ffffff14,0 18px 38px #08070d47}[data-theme=dark] .logo-mark{background:radial-gradient(circle at 28% 20%,rgba(255,255,255,.16),transparent 36%),linear-gradient(135deg,#3f405e,#2f3146 56%,#2a2a3a);box-shadow:inset 0 0 0 1px #ffffff14,0 0 0 4px #a9c8e80f,0 14px 26px #0c0a1257}[data-theme=dark] .logo-sheet{fill:#fffaf2}[data-theme=dark] .logo-fold{fill:#d7e5f5}[data-theme=dark] .logo-bubble{fill:#edaa96}[data-theme=dark] input:focus,[data-theme=dark] textarea:focus{border-color:var(--focus-ring);box-shadow:none}[data-theme=dark] .doc-status-ready,[data-theme=dark] .doc-status-label-ready{color:#9bc7f0}[data-theme=dark] .button-primary{background:var(--brand-600);box-shadow:0 16px 34px #0b0b1a47}[data-theme=dark] .stream-pill,[data-theme=dark] .quality-chip{border:1px solid rgba(184,214,242,.14);background:linear-gradient(135deg,#b8d6f229,#edaa960f),#2b3144bd}[data-theme=dark] .eyebrow,[data-theme=dark] .status-badge,[data-theme=dark] .quality-chip,[data-theme=dark] .stream-pill,[data-theme=dark] .doc-status-label,[data-theme=dark] .button,[data-theme=dark] .user-welcome span{font-weight:780}[data-theme=dark] .stage-header h1,[data-theme=dark] .side-heading h2,[data-theme=dark] .chat-header h2,[data-theme=dark] .form-heading h1,[data-theme=dark] .auth-copy h1{color:#e9e1ef;font-weight:700}[data-theme=dark] .doc-title-row h3,[data-theme=dark] .user-welcome strong,[data-theme=dark] .overview-doc-card h4,[data-theme=dark] .message-content strong{color:#e5deeb;font-weight:760}[data-theme=dark] .message-bubble,[data-theme=dark] .message-content,[data-theme=dark] .message-table td{color:var(--ink-soft)}.auth-page[data-theme=dark]{background:radial-gradient(circle at 18% 12%,rgba(88,79,132,.18),transparent 34%),radial-gradient(circle at 86% 72%,rgba(72,90,126,.16),transparent 28%),var(--app-bg)}.auth-art{position:relative;min-height:100vh;display:grid;grid-template-rows:auto auto auto auto;align-content:center;gap:24px;padding:36px 32px 32px 42px;overflow:hidden}.auth-art:before{content:"";position:absolute;inset:auto 0 0;height:22vh;background:repeating-linear-gradient(-3deg,rgba(72,110,156,.11) 0 1px,transparent 1px 18px);opacity:.8;pointer-events:none}.auth-page[data-theme=dark] .auth-art:before{background:radial-gradient(circle at 50% 100%,rgba(255,255,255,.03),transparent 58%),linear-gradient(180deg,transparent,rgba(255,255,255,.02))}.auth-topbar,.top-actions{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:12px}.auth-topbar .button-quiet{margin-left:auto}.top-actions{justify-content:flex-end}.theme-toggle{display:inline-flex;align-items:center;gap:10px}.theme-toggle-text{color:var(--muted);font-size:.86rem;font-weight:700}.landing-scroll-button{position:relative;z-index:1;width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line);border-radius:999px;background:var(--panel-bg);color:var(--blue-strong);box-shadow:var(--shadow-sm);transition:transform .16s ease,background .16s ease,border-color .16s ease}.landing-scroll-button:hover{transform:translateY(2px);border-color:color-mix(in srgb,var(--blue-strong) 36%,var(--line));background:var(--control-hover)}.workspace:before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(47,49,72,.035) 1px,transparent 1px),linear-gradient(rgba(47,49,72,.035) 1px,transparent 1px);background-size:30px 30px;-webkit-mask-image:linear-gradient(110deg,rgba(47,49,72,.42),transparent 72%);mask-image:linear-gradient(110deg,rgba(47,49,72,.42),transparent 72%)}.brand-mark{position:relative;z-index:1;display:inline-flex;align-items:center;gap:11px;width:fit-content;padding:9px 14px 9px 10px;border:1px solid rgba(117,101,168,.28);border-radius:999px;background:linear-gradient(135deg,color-mix(in srgb,var(--blue) 24%,transparent),transparent 48%),var(--panel-bg);color:var(--ink);font-family:var(--font-ui);font-size:1.08rem;font-weight:800;letter-spacing:0;box-shadow:var(--shadow-sm)}.logo-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:radial-gradient(circle at 28% 20%,rgba(255,255,255,.84),transparent 34%),var(--logo-bg);color:var(--logo-ink);box-shadow:inset 0 0 0 1px #486e9c29,0 10px 20px #486e9c29}.logo-mark svg{width:30px;height:30px;overflow:visible}.logo-sheet{fill:var(--panel-bg);stroke:var(--logo-ink);stroke-linejoin:round;stroke-width:2}.logo-fold{fill:color-mix(in srgb,var(--blue) 76%,var(--panel-bg));stroke:var(--logo-ink);stroke-linejoin:round;stroke-width:2}.logo-line,.logo-spark{fill:none;stroke:var(--logo-ink);stroke-linecap:round;stroke-linejoin:round;stroke-width:2.2}.logo-bubble{fill:var(--coral);stroke:var(--ink);stroke-linejoin:round;stroke-width:2}.logo-spark{stroke:var(--ink);stroke-width:2.4}.brand-mark.compact{padding:7px 12px 7px 7px;border-radius:999px;box-shadow:none;font-size:1rem}.brand-mark.compact .logo-mark{width:34px;height:34px}.brand-mark.compact .logo-mark svg{width:27px;height:27px}.auth-copy{position:relative;z-index:1;max-width:620px}.auth-story-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(260px,.9fr);gap:20px;align-items:center}.eyebrow{color:var(--blue-strong);font-size:.74rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.auth-copy h1,.stage-header h1,.side-heading h2,.form-heading h1,.chat-header h2{margin:0;letter-spacing:0}.auth-copy h1{margin-top:16px;max-width:10ch;font-family:var(--font-display);font-size:var(--type-hero-desktop);line-height:.98;color:var(--ink)}.auth-copy p{max-width:480px;color:var(--ink-soft);font-size:1.08rem;line-height:1.72}.copyright-notice{margin:0;color:var(--muted);font-size:.76rem;letter-spacing:.02em}.copyright-auth{position:relative;z-index:1;margin-top:auto;padding-top:10px;align-self:end}.copyright-sidebar{margin-top:auto;padding:18px 2px 2px;border-top:1px solid color-mix(in srgb,var(--line) 72%,transparent);text-align:center}.auth-workflow{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;max-width:480px}.auth-workflow span{padding:8px 11px;border:1px solid var(--line);border-radius:999px;color:var(--blue-strong);background:var(--chip-bg);font-size:.78rem;font-weight:900;cursor:default}.trust-panel,.trust-metrics{display:grid;gap:12px}.trust-card{display:grid;gap:8px;padding:16px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,color-mix(in 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0;color:var(--ink);font-size:1.05rem}.privacy-flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.privacy-flow div{display:grid;gap:7px;min-height:104px;padding:14px;border:1px solid var(--line);border-radius:14px;background:color-mix(in srgb,var(--paper) 54%,transparent)}.privacy-flow svg{color:var(--blue-strong)}.privacy-flow strong{color:var(--ink);font-size:1rem;line-height:1}.privacy-flow span{color:var(--muted);line-height:1.4;font-size:.86rem}.privacy-skeleton{display:grid;gap:8px;padding:14px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(135deg,color-mix(in srgb,var(--blue) 28%,transparent),transparent)}.privacy-skeleton span{height:10px;border-radius:999px;background:color-mix(in srgb,var(--ink-soft) 18%,transparent)}.privacy-skeleton span:nth-child(1){width:78%}.privacy-skeleton span:nth-child(2){width:58%}.privacy-skeleton span:nth-child(3){width:70%}.auth-card{display:grid;place-items:center;min-height:100vh;padding:32px 32px 32px 20px;background:color-mix(in srgb,var(--panel-bg) 58%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.auth-form{position:relative;z-index:1;display:grid;gap:15px;width:100%;max-width:440px;padding:30px;border:1px solid rgba(117,101,168,.22);border-radius:18px;background:linear-gradient(145deg,color-mix(in srgb,var(--blue) 18%,transparent),transparent 44%),var(--panel-bg);box-shadow:var(--shadow),inset 0 1px #ffffff38}.form-heading{display:flex;gap:12px;align-items:flex-start;margin-bottom:4px}.form-heading.centered{display:block;text-align:center}.form-heading svg{width:40px;height:40px;flex:0 0 auto;padding:9px;border-radius:12px;background:var(--chip-bg);color:var(--lilac-strong)}.form-heading h1{color:var(--ink);font-size:1.7rem;font-family:var(--font-ui)}.form-heading p,.form-note,.form-error{margin:4px 0 0;color:var(--muted);line-height:1.5}.form-heading strong{color:var(--ink)}.form-note,.form-error{padding:10px 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solid color-mix(in srgb,var(--blue-strong) 24%,var(--line));border-radius:22px;background:radial-gradient(circle at 28% 20%,rgba(255,255,255,.82),transparent 34%),var(--logo-bg);color:var(--logo-ink);box-shadow:var(--shadow-sm)}.verification-steps{width:100%;display:grid;gap:8px}.verification-steps span{padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius);background:color-mix(in srgb,var(--panel-strong) 76%,transparent);color:var(--ink-soft);font-size:.9rem;font-weight:800}.input-icon-button:hover{background:var(--chip-bg);color:var(--blue-strong)}.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:8px;padding:0 14px;color:#fffaf2;font-weight:850;transition:transform .16s ease,box-shadow .16s ease,opacity .16s ease,background .16s ease}.button:hover:not(:disabled){transform:translateY(-1px)}.button:disabled{cursor:not-allowed;opacity:.56}.button-primary{background:var(--brand-600);box-shadow:0 12px 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62%),var(--panel-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.sidebar::-webkit-scrollbar,.messages::-webkit-scrollbar,.overview-panel::-webkit-scrollbar{width:10px}.sidebar::-webkit-scrollbar-track,.messages::-webkit-scrollbar-track,.overview-panel::-webkit-scrollbar-track{background:transparent}.sidebar::-webkit-scrollbar-thumb,.messages::-webkit-scrollbar-thumb,.overview-panel::-webkit-scrollbar-thumb{border:3px solid transparent;border-radius:999px;background:color-mix(in srgb,var(--muted) 42%,transparent);background-clip:padding-box}.sidebar-top,.side-heading,.stage-header,.chat-header,.doc-title-row,.doc-actions{display:flex;align-items:center}.sidebar-top,.side-heading,.stage-header,.chat-header{justify-content:space-between;gap:18px}.side-heading{margin:24px 0 16px}.side-heading h2,.stage-header h1{color:var(--ink)}.user-welcome{display:grid;gap:2px;margin-top:18px;padding:12px 18px;border:1px solid var(--line);border-radius:999px;background:linear-gradient(135deg,color-mix(in srgb,var(--blue) 28%,transparent),transparent 70%),var(--panel-strong);box-shadow:inset 0 1px color-mix(in srgb,#fff 7%,transparent)}.user-welcome span{color:var(--muted);font-size:.72rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.user-welcome strong{min-width:0;overflow:hidden;color:var(--ink);font-size:1rem;text-overflow:ellipsis;white-space:nowrap}.upload-control{display:grid;gap:9px;margin-bottom:14px}.upload-control .button{min-height:42px;border-radius:999px}.upload-guidance,.upload-file-feedback{display:inline-flex;min-width:0;align-items:center;gap:7px;color:var(--muted);font-size:.78rem;line-height:1.35}.upload-guidance svg,.upload-file-feedback svg{flex:0 0 auto}.upload-file-feedback{width:fit-content;max-width:100%;padding:7px 9px;border:1px solid color-mix(in srgb,var(--blue-strong) 20%,var(--line));border-radius:999px;background:color-mix(in srgb,var(--control-bg) 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