:root {
    color-scheme: dark;
    --canvas: #000000;
    --panel: #050b0c;
    --panel-2: #0a1517;
    --line: #1f4042;
    --line-soft: #132a2c;
    --measure: 760px;
    --teal: #193236;
    --paper: #f1faf9;
    --text: #d9e6e4;
    --text-soft: #a8bbb9;
    --muted: #8b9e9c;
    --faint: #5c7472;
    --lime: #d9f270;
    --mint: #ace3df;
    --amber: #f5b942;

    --font-display: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
    --font-body: 'Figtree', 'Segoe UI', Arial, sans-serif;
    --font-accent: 'Space Grotesk', 'Segoe UI', Arial, sans-serif;
    --font-mono: ui-monospace, 'SF Mono', 'Cascadia Mono', Menlo, Consolas, monospace;
    --ease-out: cubic-bezier(.16, 1, .3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font-body);
    color: var(--text);
    background: radial-gradient(ellipse at 6% 38%, rgba(25, 50, 54, .30), transparent 55%), var(--canvas);
    height: 100vh; height: 100dvh;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    font-synthesis: none;
}
::selection { color: var(--canvas); background: var(--lime); }

h1, h2, h3 { font-family: var(--font-display); font-weight: 800; letter-spacing: -.035em; color: var(--paper); }
.screen { height: 100vh; height: 100dvh; display: flex; flex-direction: column; }
.hidden { display: none !important; }
button { font-family: var(--font-accent); cursor: pointer; border: none; background: none; color: inherit; }
button:focus-visible, textarea:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; }

.access-btn, .ghost-btn, .review-btn {
    --c: var(--lime);
    position: relative; isolation: isolate;
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    color: var(--c);
    background:
        linear-gradient(var(--c), var(--c)) top left / 9px 1px no-repeat,
        linear-gradient(var(--c), var(--c)) top left / 1px 9px no-repeat,
        linear-gradient(var(--c), var(--c)) top right / 9px 1px no-repeat,
        linear-gradient(var(--c), var(--c)) top right / 1px 9px no-repeat,
        linear-gradient(var(--c), var(--c)) bottom left / 9px 1px no-repeat,
        linear-gradient(var(--c), var(--c)) bottom left / 1px 9px no-repeat,
        linear-gradient(var(--c), var(--c)) bottom right / 9px 1px no-repeat,
        linear-gradient(var(--c), var(--c)) bottom right / 1px 9px no-repeat;
    font: 500 12px/1 var(--font-accent);
    letter-spacing: .16em;
    text-transform: uppercase;
    white-space: nowrap;
    transition: color .38s var(--ease-out);
}
.access-btn::before, .ghost-btn::before, .review-btn::before {
    content: ""; position: absolute; inset: 4px; z-index: -1;
    background: var(--c);
    clip-path: inset(0 100% 0 0);
    transition: clip-path .38s var(--ease-out);
}
.access-btn:hover, .access-btn:focus-visible,
.ghost-btn:hover, .ghost-btn:focus-visible,
.review-btn:hover:not(:disabled), .review-btn:focus-visible { color: var(--canvas); }
.access-btn:hover::before, .access-btn:focus-visible::before,
.ghost-btn:hover::before, .ghost-btn:focus-visible::before,
.review-btn:hover:not(:disabled)::before, .review-btn:focus-visible::before { clip-path: inset(0); }
.access-icon { display: block; width: 16px; height: 16px; flex: none; }

.access-btn--lg { min-height: 52px; padding: 0 24px 0 20px; gap: 12px; font-size: 13px; }
.access-btn--lg .access-icon { width: 19px; height: 19px; }

#login-screen { overflow-y: auto; }
.login-page { min-height: 100%; display: flex; flex-direction: column; }
.masthead, .login-hero { width: min(100% - clamp(32px, 8vw, 112px), 1328px); margin-inline: auto; }
.masthead { display: flex; align-items: center; min-height: 96px; border-bottom: 1px solid var(--line); flex: none; }
.brand { display: block; width: 40px; height: 40px; }

.login-hero {
    flex: 1; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center;
    gap: clamp(24px, 5vw, 72px); padding-block: clamp(32px, 7vh, 80px);
}
.login-intro { min-width: 0; }
.wordmark { font-size: clamp(60px, 8.3vw, 120px); line-height: 1.02; letter-spacing: -.04em; }
.tagline { margin-top: 14px; font-size: clamp(20px, 2.1vw, 30px); line-height: 1.35; color: var(--paper); letter-spacing: -.02em; }
.redaction { display: flex; gap: 5px; margin-block: 32px 34px; }
.redaction span { height: 6px; width: 64px; background: var(--teal); }
.redaction span:nth-child(2) { width: 28px; background: var(--line); }
.redaction span:nth-child(3) { width: 12px; background: var(--lime); }

.login-notice {
    max-width: 460px; margin-top: 18px; padding: 11px 14px;
    background: rgba(245, 185, 66, .08); border: 1px solid rgba(245, 185, 66, .5);
    color: var(--paper); font-size: 13px; line-height: 1.55;
    white-space: pre-line;   }
.login-foot { max-width: 420px; margin-top: 22px; color: var(--muted); font-size: 13px; line-height: 1.6; }

.login-portrait { width: 100%; max-width: 540px; justify-self: end; min-width: 0; }
.portrait-label, .portrait-caption {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    font: 400 9.5px/1.5 var(--font-accent); letter-spacing: .14em; text-transform: uppercase; color: var(--muted);
}
.portrait-label { padding-bottom: 16px; }
.portrait-label span:first-child { color: var(--mint); }
.portrait-caption { padding-top: 16px; font-size: 8.5px; }
.crosshair { color: var(--mint); font-size: 16px; line-height: 1; }
.portrait-frame { position: relative; }
.portrait-frame picture, .portrait-frame img { display: block; width: 100%; height: auto; }
.corner { position: absolute; width: 15px; height: 15px; border: solid var(--line); }
.corner-tl { top: 0; left: 0; border-width: 1px 0 0 1px; }
.corner-tr { top: 0; right: 0; border-width: 1px 1px 0 0; }
.corner-bl { bottom: 0; left: 0; border-width: 0 0 1px 1px; }
.corner-br { bottom: 0; right: 0; border-width: 0 1px 1px 0; }

#topbar {
    display: flex; align-items: center; gap: 16px; flex: none;
    min-height: 60px; padding: 0 clamp(14px, 3vw, 28px);
    border-bottom: 1px solid var(--line);
}
.topbar-brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.topbar-logo { display: block; width: 28px; height: 28px; flex: none; }
.topbar-title { display: flex; align-items: baseline; gap: 14px; min-width: 0; }
.topbar-wordmark { font: 800 20px/1 var(--font-display); letter-spacing: -.035em; color: var(--paper); }
.topbar-expansion {
    font: 400 9.5px/1.4 var(--font-accent); letter-spacing: .14em; text-transform: uppercase;
    color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; flex: none; }
.user-name { font: 400 11px/1 var(--font-accent); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.ghost-btn { --c: var(--mint); min-height: 32px; padding: 0 12px; font-size: 11px; letter-spacing: .14em; }
.ghost-btn::before { inset: 3px; }

.context-chip {
    --c: var(--lime);
    display: inline-block;   max-width: 42vw; min-width: 0; padding: 8px 13px;
    color: var(--lime);
    background:
        linear-gradient(var(--c), var(--c)) top left / 7px 1px no-repeat,
        linear-gradient(var(--c), var(--c)) top left / 1px 7px no-repeat,
        linear-gradient(var(--c), var(--c)) top right / 7px 1px no-repeat,
        linear-gradient(var(--c), var(--c)) top right / 1px 7px no-repeat,
        linear-gradient(var(--c), var(--c)) bottom left / 7px 1px no-repeat,
        linear-gradient(var(--c), var(--c)) bottom left / 1px 7px no-repeat,
        linear-gradient(var(--c), var(--c)) bottom right / 7px 1px no-repeat,
        linear-gradient(var(--c), var(--c)) bottom right / 1px 7px no-repeat;
    font: 500 11px/1.2 var(--font-accent); letter-spacing: .08em; text-transform: uppercase;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.context-chip::before { content: ""; display: inline-block; width: 7px; height: 7px; margin: 0 9px 1px 0; vertical-align: middle; background: var(--lime); }

#chat-main { flex: 1; display: flex; flex-direction: column; min-height: 0; }
#messages { flex: 1; overflow-y: auto; padding: 30px clamp(14px, 5vw, 60px) 12px; }
#messages::-webkit-scrollbar { width: 9px; }
#messages::-webkit-scrollbar-thumb { background: var(--line); }
#messages { scrollbar-color: var(--line) transparent; }

#welcome-message { max-width: 700px; margin: 4vh auto 0; text-align: center; }
.welcome-emblem { width: 132px; margin: 0 auto; }
.welcome-logo { display: block; width: 100%; height: auto; }
#welcome-heading { margin-top: 18px; font-size: clamp(26px, 3vw, 38px); line-height: 1.1; }
#welcome-sub { margin: 12px auto 0; max-width: 560px; color: var(--text-soft); font-size: 15.5px; line-height: 1.6; }
#chip-container { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 30px; }
.chip {
    display: inline-flex; align-items: center; gap: 9px;
    padding: 11px 15px; background: var(--panel); border: 1px solid var(--line);
    color: var(--text); font: 500 14px/1.2 var(--font-body);
    transition: border-color .16s var(--ease-out), color .16s var(--ease-out);
}
.chip-icon { display: block; width: 16px; height: 16px; color: var(--mint); flex: none; transition: color .16s var(--ease-out); }
.chip:hover, .chip:focus-visible { border-color: var(--lime); color: var(--paper); }
.chip:hover .chip-icon, .chip:focus-visible .chip-icon { color: var(--lime); }

.review-btn { min-height: 48px; margin-top: 26px; padding: 0 22px; font-size: 12px; }
.review-btn:disabled { opacity: .45; cursor: default; }

.msg { max-width: var(--measure); margin: 0 auto 24px; display: flex; gap: 14px; }
.msg-avatar {
    flex: 0 0 32px; width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    font: 500 11px/1 var(--font-accent); letter-spacing: .06em;
}
.msg.user .msg-avatar { color: var(--mint); border: 1px solid rgba(172, 227, 223, .35); }
.msg.assistant .msg-avatar { font-size: 0; background: url(mole-avatar.8f6f77a8.png) center / contain no-repeat; }
.msg-body { flex: 1; min-width: 0; }
.msg-role { margin-bottom: 7px; font: 500 10px/1.2 var(--font-accent); letter-spacing: .16em; text-transform: uppercase; }
.msg.user .msg-role { color: var(--mint); }
.msg.assistant .msg-role { color: var(--lime); }
.msg-content { font-size: 15px; line-height: 1.65; color: var(--text); overflow-wrap: anywhere; }
.msg.user .msg-content { padding: 12px 15px; background: var(--panel-2); border: 1px solid var(--line-soft); }
.msg-content p { margin: 0 0 11px; }
.msg-content p:last-child { margin-bottom: 0; }
.msg-content h1, .msg-content h2, .msg-content h3 { margin: 18px 0 8px; line-height: 1.2; letter-spacing: -.02em; font-weight: 700; }
.msg-content h1 { font-size: 21px; } .msg-content h2 { font-size: 18px; } .msg-content h3 { font-size: 16px; }
.msg-content strong { color: var(--paper); font-weight: 600; }
.msg-content ul, .msg-content ol { margin: 0 0 11px 22px; }
.msg-content li { margin-bottom: 5px; }
.msg-content li::marker { color: var(--mint); }
.msg-content code {
    padding: 1px 6px; background: var(--panel-2); color: var(--mint);
    font-family: var(--font-mono); font-size: .86em;
}
.msg-content pre {
    margin: 0 0 13px; padding: 14px 16px; overflow-x: auto;
    background: var(--panel); border: 1px solid var(--line); color: var(--text);
}
.msg-content pre code { padding: 0; background: none; color: inherit; font-size: 13px; line-height: 1.55; }
.msg-content table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; margin: 0 0 13px; font-size: 14px; }
.msg-content th, .msg-content td { padding: 8px 12px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.msg-content th {
    background: var(--panel-2); color: var(--muted);
    font: 500 10.5px/1.3 var(--font-accent); letter-spacing: .1em; text-transform: uppercase;
}
.msg-content a { color: var(--lime); text-decoration: underline; text-underline-offset: 3px; }
.msg-content hr { border: 0; border-top: 1px solid var(--line); margin: 16px 0; }
.msg-content blockquote { margin: 0 0 11px; padding-left: 14px; border-left: 1px solid var(--lime); color: var(--text-soft); }

.typing { display: inline-flex; gap: 6px; padding: 6px 0; }
.typing span { width: 8px; height: 8px; background: var(--lime); animation: blink 1.3s infinite both; }
.typing span:nth-child(2) { animation-delay: .2s; } .typing span:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 80%, 100% { opacity: .2; } 40% { opacity: 1; } }

.approval-wait {
    max-width: 560px; margin-top: 14px; padding: 15px 18px;
    transform: rotate(-.8deg); transform-origin: 0 50%;
    background:
        repeating-linear-gradient(90deg, var(--canvas) 0 12px, transparent 12px 19px) 0 5px / 100% 2px no-repeat,
        repeating-linear-gradient(90deg, var(--canvas) 0 12px, transparent 12px 19px) 0 calc(100% - 5px) / 100% 2px no-repeat,
        var(--lime);
    color: var(--canvas); font: 600 14.5px/1.5 var(--font-body);
}
.approval-wait::before {
    content: "Approval required"; display: block; margin-bottom: 5px;
    font: 500 10px/1.2 var(--font-accent); letter-spacing: .18em; text-transform: uppercase;
}

.msg-notice {
    max-width: var(--measure); margin: 0 auto 16px; padding-left: 46px;
    color: var(--muted); font: 400 10.5px/1.5 var(--font-accent); letter-spacing: .1em; text-transform: uppercase;
}

#chat-input-area { flex: none; padding: 12px clamp(14px, 5vw, 60px) 18px; }
.input-wrapper {
    max-width: var(--measure); margin: 0 auto; display: flex; align-items: flex-end; gap: 10px;
    padding: 10px 10px 10px 16px; background: var(--panel); border: 1px solid var(--line);
    transition: border-color .16s var(--ease-out);
}
.input-wrapper:focus-within { border-color: rgba(217, 242, 112, .65); }
#user-input {
    flex: 1; border: none; outline: none; resize: none; background: transparent;
    font: 15px/1.5 var(--font-body); color: var(--paper); max-height: 160px; padding: 6px 0;
}
#user-input::placeholder { color: var(--faint); }
#user-input:focus-visible { outline: none; }
#send-btn {
    flex: 0 0 42px; width: 42px; height: 42px;
    display: flex; align-items: center; justify-content: center;
    background: var(--lime); color: var(--canvas);
    transition: background-color .16s var(--ease-out), color .16s var(--ease-out);
}
#send-btn:disabled { background: var(--panel-2); color: var(--faint); cursor: not-allowed; }
#send-btn:not(:disabled):hover { background: var(--paper); }
.input-hint {
    max-width: var(--measure); margin: 10px auto 0; text-align: center;
    color: var(--faint); font: 400 10px/1.5 var(--font-accent); letter-spacing: .1em; text-transform: uppercase;
}

html:not(.embedded) { --measure: clamp(760px, 80vw, 1120px); }
html:not(.embedded) .msg-content th, html:not(.embedded) .msg-content td { overflow-wrap: break-word; }
@media (max-width: 560px) {
    html:not(.embedded) .msg-content td { min-width: 7em; }
    html:not(.embedded) .msg-content td:last-child { min-width: 17em; }
}

@media (max-width: 900px) {
    .topbar-expansion { display: none; }
}
@media (max-width: 760px) {
    .masthead { min-height: 72px; }
    .brand { width: 34px; height: 34px; }
    .login-hero { grid-template-columns: 1fr; align-content: start; gap: 26px; padding-block: 28px 36px; }
    .login-portrait { order: -1; max-width: 170px; justify-self: start; }
    .portrait-label, .portrait-caption { display: none; }
    .wordmark { font-size: clamp(54px, 15vw, 96px); }
    .redaction { margin-block: 24px 26px; }
}
@media (max-width: 760px) and (max-height: 640px) {
    .login-portrait { display: none; }
}
@media (max-width: 560px) {
    #topbar { gap: 10px; }
    .topbar-wordmark { display: none; }   #context-chip { flex: 1 1 auto; max-width: none; }
    .user-name { display: none; }
    .context-chip { max-width: 46vw; }
    #messages { padding: 20px 12px 8px; }
    #chat-input-area { padding: 10px 12px 14px; }
    .welcome-emblem { width: 96px; }
    .msg { gap: 10px; }
    .msg-notice { padding-left: 42px; }
    .chip { font-size: 13.5px; }
}

@media (max-height: 720px) {
    #messages { padding-top: 18px; }
    #welcome-message { margin-top: 0; }
    .welcome-emblem { width: 84px; }
    #welcome-heading { margin-top: 10px; font-size: clamp(24px, 2.6vw, 30px); }
    #welcome-sub { margin-top: 8px; font-size: 15px; }
    .review-btn { min-height: 44px; margin-top: 18px; }
    #chip-container { margin-top: 18px; gap: 8px; }
    .chip { padding: 9px 13px; }
    #chat-input-area { padding-bottom: 12px; }
    .input-hint { margin-top: 7px; }
}

@media (prefers-reduced-motion: reduce) {
    .access-btn, .access-btn::before, .ghost-btn, .ghost-btn::before, .review-btn, .review-btn::before { transition: none; }
    .typing span { animation-duration: 2.6s; }
}