:root {
  --ink: #14201d;
  --muted: #68736f;
  --paper: #f3f2ec;
  --panel: #fffefa;
  --line: #d9ddd7;
  --green: #0b6b50;
  --green-dark: #074c3a;
  --green-soft: #dff2e9;
  --amber: #b16713;
  --amber-soft: #fff0d5;
  --red: #b43b31;
  --red-soft: #ffe5e1;
  --blue: #315d89;
  --shadow: 0 18px 50px rgba(22, 36, 31, .07);
  --radius: 18px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(20, 32, 29, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 32, 29, .025) 1px, transparent 1px),
    var(--paper);
  background-size: 32px 32px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.topbar {
  height: 72px;
  padding: 0 max(24px, calc((100vw - 1240px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 254, 250, .9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand { display: flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; font-weight: 760; letter-spacing: -.02em; }
.brand-mark { width: 31px; height: 31px; display: grid; grid-template-columns: 1fr 1fr; gap: 3px; padding: 5px; background: var(--green); border-radius: 8px; }
.brand-mark span { border: 1px solid rgba(255,255,255,.75); border-radius: 2px; }
.topbar nav { display: flex; gap: 26px; }
.topbar nav a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 600; }
.topbar nav a:hover { color: var(--green); }

main { max-width: 1240px; margin: 0 auto; padding: 0 24px 72px; }

.hero { min-height: 340px; display: flex; align-items: center; justify-content: space-between; gap: 50px; padding: 62px 4px 48px; }
.eyebrow, .step, .answer-label { margin: 0 0 12px; color: var(--green); font-size: 11px; font-weight: 800; letter-spacing: .17em; }
.hero h1 { max-width: 730px; margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(42px, 6vw, 72px); font-weight: 500; line-height: 1.02; letter-spacing: -.045em; }
.hero-copy { max-width: 700px; margin: 24px 0 0; color: var(--muted); font-size: 18px; line-height: 1.7; }
.hero-stat { min-width: 188px; display: flex; flex-direction: column; align-items: center; gap: 14px; padding: 26px 24px; border: 1px solid var(--line); border-radius: 100px; background: rgba(255,254,250,.55); color: var(--green-dark); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; font-weight: 700; text-transform: uppercase; }
.hero-stat i { width: 1px; height: 17px; background: var(--green); opacity: .45; }

.workspace { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 24px; align-items: start; }
.main-column { display: grid; gap: 24px; min-width: 0; }
.side-column { display: grid; gap: 24px; position: sticky; top: 96px; }
.panel, .side-panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.panel { padding: 32px; }
.side-panel { padding: 23px; }
.panel-heading, .progress-top, .block-heading, .side-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.panel h2, .side-panel h2 { margin: 0; letter-spacing: -.025em; }
.panel h2 { font-size: 25px; }
.side-panel h2 { font-size: 16px; }
.secure-note { color: var(--muted); font-size: 12px; }

.drop-zone { min-height: 190px; margin-top: 28px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 7px; border: 1.5px dashed #9babA5; border-radius: 14px; background: #f8faf7; cursor: pointer; transition: .2s ease; text-align: center; }
.drop-zone:hover, .drop-zone.dragging { border-color: var(--green); background: var(--green-soft); transform: translateY(-1px); }
.drop-zone input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.drop-zone strong { font-size: 15px; }
.drop-zone small { color: var(--muted); }
.upload-icon { width: 42px; height: 42px; display: grid; place-items: center; margin-bottom: 4px; border: 1px solid #b8c7c0; border-radius: 50%; color: var(--green); font-size: 21px; }
.divider { display: flex; align-items: center; gap: 12px; margin: 22px 0; color: #89928f; font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }
.divider::before, .divider::after { content: ""; height: 1px; flex: 1; background: var(--line); }
.field-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; font-size: 13px; font-weight: 700; }
.field em { color: var(--muted); font-style: normal; font-weight: 500; }
.field input, .ask-form textarea { width: 100%; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); outline: none; transition: .15s; }
.field input { height: 46px; padding: 0 13px; }
.field select { width: 100%; height: 46px; padding: 0 36px 0 13px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); outline: none; }
.field input:focus, .ask-form textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(11,107,80,.1); }
.field select:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(11,107,80,.1); }
.model-config { margin-top: 22px; border: 1px solid var(--line); border-radius: 11px; background: #fafbf8; overflow: hidden; }
.model-config > summary { padding: 15px 16px; display: flex; align-items: center; justify-content: space-between; gap: 16px; cursor: pointer; list-style: none; }
.model-config > summary::-webkit-details-marker { display: none; }
.model-config > summary span { display: grid; gap: 2px; }
.model-config > summary b { font-size: 13px; }
.model-config > summary small { color: var(--muted); font-size: 11px; font-weight: 400; }
.model-config > summary em { max-width: 52%; overflow: hidden; color: var(--green); font: 700 11px ui-monospace, monospace; text-overflow: ellipsis; white-space: nowrap; }
.model-config-body { padding: 18px 16px; border-top: 1px solid var(--line); background: #fff; }
.key-row { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 12px; }
.password-wrap { position: relative; display: block; }
.password-wrap input { padding-right: 58px; }
.password-wrap button { position: absolute; top: 50%; right: 12px; padding: 0; transform: translateY(-50%); border: 0; background: transparent; color: var(--green); cursor: pointer; font-size: 11px; font-weight: 750; }
.model-controls { margin-top: 18px; padding-top: 17px; border-top: 1px solid var(--line); }
.model-filters { display: flex; align-items: center; flex-wrap: wrap; gap: 15px; margin-bottom: 13px; color: var(--muted); font-size: 11px; }
.model-filters label { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.model-filters input { accent-color: var(--green); }
.model-filters span { margin-left: auto; }
.model-detail { margin-top: 10px; padding: 10px 12px; border-radius: 8px; background: #f3f6f3; color: var(--muted); font-size: 11px; }
.model-detail strong { color: var(--ink); }
.key-note { margin: 13px 0 0; color: var(--muted); font-size: 10px; line-height: 1.5; }
.form-actions { display: flex; align-items: center; gap: 18px; margin-top: 24px; }
.form-actions p { margin: 0; color: var(--muted); font-size: 12px; }

.primary-button, .secondary-button { display: inline-flex; align-items: center; justify-content: center; gap: 28px; border-radius: 9px; text-decoration: none; font-weight: 750; cursor: pointer; transition: .18s; }
.primary-button { min-height: 48px; padding: 0 20px; border: 0; background: var(--green); color: white; }
.primary-button:hover { background: var(--green-dark); transform: translateY(-1px); }
.primary-button:disabled { opacity: .55; cursor: wait; transform: none; }
.primary-button b { font-size: 18px; }
.secondary-button { min-height: 40px; padding: 0 14px; border: 1px solid var(--line); color: var(--ink); background: #fff; font-size: 13px; }
.secondary-button:hover { border-color: var(--green); color: var(--green); }
.text-button, .icon-button { padding: 0; border: 0; color: var(--green); background: transparent; cursor: pointer; font-weight: 700; }
.text-button:hover, .icon-button:hover { color: var(--green-dark); }
.icon-button { font-size: 20px; }

.progress-panel { overflow: hidden; }
.status-badge { padding: 6px 11px; border-radius: 999px; background: #edf0ee; color: var(--muted); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.status-badge.processing, .status-badge.queued { color: var(--blue); background: #e6f0fa; }
.status-badge.done { color: var(--green); background: var(--green-soft); }
.status-badge.needs_review { color: var(--amber); background: var(--amber-soft); }
.status-badge.failed { color: var(--red); background: var(--red-soft); }
.progress-track { height: 6px; margin: 26px 0 19px; overflow: hidden; background: #e8ebe8; border-radius: 10px; }
.progress-track span { display: block; width: 10%; height: 100%; background: var(--green); border-radius: inherit; transition: width .5s ease; }
.progress-track span.active { width: 72%; animation: breathe 2s ease-in-out infinite; }
.progress-track span.complete { width: 100%; animation: none; }
@keyframes breathe { 0%,100% { opacity: .55; } 50% { opacity: 1; } }
.job-line { display: flex; align-items: center; gap: 10px; font-size: 12px; }
.job-line span { color: var(--muted); }
.job-line code { padding: 3px 6px; overflow: hidden; background: #f1f3f1; border-radius: 4px; text-overflow: ellipsis; }
.muted { color: var(--muted); }

.summary-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 26px 0; }
.summary-card { padding: 16px; border: 1px solid var(--line); border-radius: 11px; background: #fafbf8; }
.summary-card span { display: block; color: var(--muted); font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .09em; }
.summary-card strong { display: block; margin-top: 6px; overflow: hidden; font-size: 17px; text-overflow: ellipsis; white-space: nowrap; }
.review-box { margin: 0 0 24px; padding: 17px 18px; border: 1px solid #efcf9a; border-radius: 11px; background: var(--amber-soft); color: #70440d; }
.review-box strong { display: block; margin-bottom: 5px; }
.review-box ul { margin: 8px 0 0; padding-left: 19px; font-size: 13px; }
.result-block { margin-top: 28px; }
.block-heading { align-items: center; margin-bottom: 12px; }
.block-heading h3 { margin: 0; font-size: 15px; }
.block-heading span { color: var(--muted); font-size: 12px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th { padding: 10px 12px; color: var(--muted); background: #f4f6f3; text-align: left; text-transform: uppercase; letter-spacing: .06em; font-size: 9px; }
td { padding: 11px 12px; border-top: 1px solid #e7eae6; vertical-align: top; }
td:first-child, td:nth-child(2) { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-weight: 700; }
.section-list { display: grid; gap: 8px; }
.section-item { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.section-item summary { padding: 14px 16px; display: flex; align-items: center; justify-content: space-between; gap: 15px; cursor: pointer; list-style: none; font-size: 13px; font-weight: 750; }
.section-item summary::-webkit-details-marker { display: none; }
.section-item summary::after { content: "+"; color: var(--green); font-size: 18px; font-weight: 500; }
.section-item[open] summary::after { content: "−"; }
.section-item pre { max-height: 520px; margin: 0; padding: 17px; overflow: auto; border-top: 1px solid var(--line); background: #f7f8f5; color: #263530; font: 11px/1.65 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre-wrap; word-break: break-word; }

.ask-form { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 12px; margin-top: 20px; }
.ask-form textarea { min-height: 86px; padding: 13px; resize: vertical; }
.ask-form .primary-button { min-width: 105px; }
.part-chip { max-width: 260px; padding: 6px 10px; overflow: hidden; border-radius: 7px; background: var(--green-soft); color: var(--green-dark); font: 700 11px ui-monospace, monospace; text-overflow: ellipsis; white-space: nowrap; }
.answer-box { margin-top: 20px; padding: 20px; border-left: 3px solid var(--green); background: #f3f8f5; border-radius: 4px 10px 10px 4px; }
.answer-label { margin-bottom: 8px; }
#answer-text { white-space: pre-wrap; }
.answer-sources { margin: 14px 0 0; color: var(--muted); font-size: 11px; }

.side-heading { align-items: center; margin-bottom: 16px; }
.job-list { display: grid; gap: 8px; }
.job-item { width: 100%; padding: 12px; display: grid; gap: 5px; border: 1px solid transparent; border-radius: 9px; background: #f5f7f4; color: var(--ink); cursor: pointer; text-align: left; transition: .15s; }
.job-item:hover { border-color: #aec7bd; background: #fff; }
.job-item-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.job-item strong { overflow: hidden; font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.job-item small { color: var(--muted); font-size: 10px; }
.job-dot { width: 7px; height: 7px; flex: 0 0 auto; border-radius: 50%; background: #aab1ae; }
.job-dot.done { background: var(--green); }
.job-dot.needs_review { background: var(--amber); }
.job-dot.processing, .job-dot.queued { background: var(--blue); box-shadow: 0 0 0 4px #e4edf6; }
.job-dot.failed { background: var(--red); }
.empty-state { margin: 8px 0; color: var(--muted); font-size: 12px; }
.how-panel ol { margin: 19px 0 0; padding: 0; display: grid; gap: 17px; list-style: none; }
.how-panel li { display: flex; gap: 11px; }
.how-panel li > span { width: 24px; height: 24px; flex: 0 0 auto; display: grid; place-items: center; border: 1px solid #aac2b9; border-radius: 50%; color: var(--green); font-size: 10px; font-weight: 800; }
.how-panel strong { font-size: 12px; }
.how-panel p { margin: 2px 0 0; color: var(--muted); font-size: 11px; line-height: 1.45; }

.toast { position: fixed; right: 24px; bottom: 24px; max-width: 380px; padding: 13px 16px; z-index: 100; border-radius: 9px; background: var(--ink); color: white; box-shadow: 0 12px 35px rgba(0,0,0,.2); font-size: 13px; }
.toast.error { background: var(--red); }
.ask-fab { position: fixed; right: 28px; bottom: 28px; min-height: 52px; padding: 0 17px 0 10px; display: flex; align-items: center; gap: 10px; z-index: 50; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; background: var(--green); color: #fff; box-shadow: 0 12px 32px rgba(7,76,58,.28); cursor: pointer; font-weight: 750; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.ask-fab:hover { transform: translateY(-6px); background: var(--green-dark); box-shadow: 0 18px 38px rgba(7,76,58,.34); }
.ask-fab:active { transform: translateY(-2px); }
.ask-fab:focus-visible { outline: 3px solid rgba(11,107,80,.25); outline-offset: 3px; }
.ask-fab-icon { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; background: rgba(255,255,255,.16); font-family: Georgia, serif; font-size: 18px; }
.ask-fab b { font-size: 15px; }
.hidden { display: none !important; }

@media (max-width: 900px) {
  .hero-stat { display: none; }
  .workspace { grid-template-columns: 1fr; }
  .side-column { position: static; grid-row: 1; }
  .how-panel { display: none; }
  .job-list { grid-template-columns: repeat(2, 1fr); }
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .topbar { height: 62px; padding: 0 16px; }
  .topbar nav a:not(:last-child) { display: none; }
  main { padding: 0 12px 48px; }
  .hero { min-height: 270px; padding: 40px 5px 34px; }
  .hero h1 { font-size: 42px; }
  .hero-copy { font-size: 15px; }
  .panel { padding: 21px; border-radius: 14px; }
  .secure-note { display: none; }
  .field-grid, .ask-form { grid-template-columns: 1fr; }
  .key-row { grid-template-columns: 1fr; }
  .form-actions { align-items: stretch; flex-direction: column; }
  .summary-grid, .job-list { grid-template-columns: 1fr; }
  .result-heading { align-items: flex-start; flex-direction: column; }
  .secondary-button { width: 100%; }
  .ask-fab { right: 14px; bottom: 14px; min-height: 48px; }
}