app/static/style.css

:root {
  --bg-1: #fff7eb;
  --bg-2: #f8e7cf;
  --ink-1: #1f1b16;
  --ink-2: #554b40;
  --card: rgba(255, 252, 247, 0.84);
  --card-strong: rgba(255, 252, 247, 0.95);
  --line: rgba(100, 77, 45, 0.18);
  --line-strong: rgba(100, 77, 45, 0.34);
  --brand-1: #b24a00;
  --brand-2: #ff7b00;
  --brand-3: #ffd8a8;
  --ok-bg: #f0fdf4;
  --ok-line: #86efac;
  --error-bg: #fef2f2;
  --error-line: #fca5a5;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow: hidden;
  color: var(--ink-1);
  font-family: "Space Grotesk", "Helvetica Neue", sans-serif;
  background:
    linear-gradient(180deg, var(--bg-1), var(--bg-2)),
    radial-gradient(circle at 10% 10%, rgba(255, 179, 71, 0.32), transparent 45%);
  position: relative;
}

.bg-orb {
  position: fixed;
  border-radius: 999px;
  filter: blur(70px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.65;
}

.orb-one {
  width: 420px;
  height: 420px;
  left: -100px;
  top: -110px;
  background: rgba(255, 133, 28, 0.42);
}

.orb-two {
  width: 360px;
  height: 360px;
  right: -100px;
  top: 220px;
  background: rgba(255, 208, 143, 0.6);
}

.shell {
  position: relative;
  z-index: 1;
  width: min(1460px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 1.6rem 0 3.4rem;
  height: 100vh;
  overflow: hidden;
}

.hero {
  margin-bottom: 1rem;
}

.hero-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--brand-1);
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  margin-top: 0.65rem;
}

h2 {
  font-size: 1.25rem;
}

h3 {
  font-size: 1rem;
}

.lede,
p,
label,
textarea,
input,
button {
  font-size: 0.98rem;
  line-height: 1.5;
}

.lede {
  margin-top: 0.75rem;
  color: var(--ink-2);
  max-width: 72ch;
}

.db-warning {
  margin-top: 0.75rem;
  border: 1px solid var(--error-line);
  background: var(--error-bg);
  color: #991b1b;
  border-radius: 10px;
  padding: 0.55rem 0.7rem;
}

.muted {
  color: var(--ink-2);
  margin: 0.35rem 0 0;
}

.developer-credit {
  margin: 0.45rem 0 0;
  color: #7b4a22;
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid.two {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--card);
  backdrop-filter: blur(10px);
  box-shadow:
    0 8px 22px rgba(70, 50, 20, 0.08),
    0 28px 60px rgba(70, 50, 20, 0.07);
  padding: 1.45rem;
  animation: fade-up 0.4s ease both;
}

.panel {
  display: grid;
  gap: 0.9rem;
}

.panel-head p {
  margin: 0.25rem 0 0;
  color: var(--ink-2);
}

.panel-head-inline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
}

.badge {
  border: 1px solid rgba(178, 74, 0, 0.22);
  background: linear-gradient(135deg, rgba(255, 187, 107, 0.24), rgba(255, 123, 0, 0.12));
  color: #8d3600;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-size: 0.78rem;
  white-space: nowrap;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.app-layout {
  display: grid;
  grid-template-columns: minmax(360px, 430px) 1fr;
  gap: 1.2rem;
  align-items: start;
  margin-top: 0.35rem;
  height: calc(100vh - 2rem);
}

.sidebar-panel {
  position: sticky;
  top: 0.6rem;
  height: calc(100vh - 2rem);
  max-height: calc(100vh - 2rem);
  min-height: 0;
  overflow: hidden;
  gap: 1rem;
  padding: 1.55rem;
  display: flex;
  flex-direction: column;
}

.sidebar-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.sidebar-title {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  margin-top: 0.25rem;
  line-height: 1.05;
}

.account-head {
  padding-top: 0.2rem;
  border-top: 1px solid var(--line);
}

.sidebar-docs {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  padding-right: 0.25rem;
}

#logout-form {
  margin-top: auto;
  flex-shrink: 0;
}

.user-email {
  overflow-wrap: anywhere;
}

label,
input,
textarea,
button {
  display: block;
  width: 100%;
}

label {
  color: #453d34;
  font-weight: 500;
}

input,
textarea {
  margin-top: 0.38rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card-strong);
  padding: 0.75rem 0.85rem;
  color: var(--ink-1);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--brand-2);
  box-shadow: 0 0 0 3px rgba(255, 123, 0, 0.2);
}

textarea {
  min-height: 146px;
  resize: vertical;
}

button {
  border: none;
  border-radius: 12px;
  padding: 0.8rem 1rem;
  color: #fff;
  cursor: pointer;
  font-weight: 700;
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
  transition: transform 0.12s ease, filter 0.2s ease;
}

button:hover {
  filter: brightness(1.06);
}

button:active {
  transform: translateY(1px);
}

button:disabled {
  opacity: 0.76;
  cursor: wait;
}

button.secondary {
  background: linear-gradient(135deg, #2f2f2f, #151515);
}

button.danger {
  background: linear-gradient(135deg, #b42318, #e11d48);
}

.result {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  border-radius: 12px;
  border: 1px solid var(--ok-line);
  background: var(--ok-bg);
  color: #0f5132;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
  padding: 0.8rem;
  min-height: 76px;
}

.hidden {
  display: none;
}

.result:empty {
  display: none;
}

.result.error {
  background: var(--error-bg);
  border-color: var(--error-line);
  color: #991b1b;
}

.docs {
  display: grid;
  gap: 0.75rem;
}

.chat-shell {
  gap: 0.75rem;
  height: 100%;
  min-height: 0;
}

.chat-panel {
  min-height: 0;
  height: 100%;
  padding: 1.55rem;
  display: flex;
  flex-direction: column;
}

.chat-thread {
  border: 1px solid var(--line);
  background: rgba(255, 250, 243, 0.7);
  border-radius: 14px;
  padding: 0.9rem;
  min-height: 0;
  flex: 1 1 auto;
  overflow-y: auto;
  display: grid;
  gap: 0.65rem;
  align-content: start;
  grid-auto-rows: max-content;
}

.chat-msg {
  display: flex;
}

.chat-msg.user {
  justify-content: flex-end;
}

.chat-msg.assistant {
  justify-content: flex-start;
}

.chat-bubble {
  border-radius: 14px;
  padding: 0.6rem 0.75rem;
  max-width: min(92%, 900px);
  overflow-wrap: anywhere;
  border: 1px solid var(--line);
}

.chat-bubble-user {
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
  color: #fff;
  border-color: transparent;
}

.chat-bubble-assistant {
  background: var(--card-strong);
  color: var(--ink-1);
}

.chat-pending {
  opacity: 0.8;
  font-style: italic;
}

.chat-error {
  border-color: var(--error-line);
  background: var(--error-bg);
  color: #991b1b;
}

.chat-composer {
  display: grid;
  gap: 0.6rem;
  padding-top: 0.35rem;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 252, 247, 0), rgba(255, 252, 247, 0.92) 35%);
  flex-shrink: 0;
}

.chat-composer textarea {
  min-height: 104px;
  font-size: 1rem;
}

.chat-markdown p,
.chat-markdown ul,
.chat-markdown ol {
  margin: 0.3rem 0;
}

.chat-markdown p:first-child {
  margin-top: 0;
}

.source-meta-right {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.source-score {
  border: 1px solid rgba(178, 74, 0, 0.22);
  background: linear-gradient(135deg, rgba(255, 187, 107, 0.24), rgba(255, 123, 0, 0.12));
  color: #8d3600;
  padding: 0.18rem 0.5rem;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 600;
}

.chat-markdown p:last-child {
  margin-bottom: 0;
}

.chat-markdown pre,
.chat-markdown code {
  font-family: "IBM Plex Mono", monospace;
}

.chat-markdown pre {
  background: #f6ead8;
  border: 1px solid #e8ccb0;
  border-radius: 10px;
  padding: 0.65rem;
  overflow-x: auto;
}

.chat-markdown table {
  border-collapse: collapse;
  width: 100%;
  display: block;
  overflow-x: auto;
  margin: 0.5rem 0;
}

.chat-markdown th,
.chat-markdown td {
  border: 1px solid var(--line-strong);
  padding: 0.5rem;
  text-align: left;
  vertical-align: top;
  min-width: 120px;
}

.message-panel {
  margin-top: 0.1rem;
  min-height: auto;
}

.source-dropdown {
  margin-top: 0.5rem;
  border-top: 1px solid var(--line);
  padding-top: 0.45rem;
}

.source-dropdown summary {
  cursor: pointer;
  font-weight: 700;
  color: #6d3d13;
  list-style: none;
}

.source-dropdown summary::-webkit-details-marker {
  display: none;
}

.source-dropdown summary::before {
  content: "▸";
  display: inline-block;
  margin-right: 0.35rem;
  transition: transform 0.15s ease;
}

.source-dropdown[open] summary::before {
  transform: rotate(90deg);
}

.chat-bubble .panel,
.chat-bubble .card,
.chat-bubble .result {
  min-height: 0;
}

.sources-panel {
  display: grid;
  gap: 0.7rem;
  margin-top: 0.55rem;
}

.sources-panel h4 {
  margin: 0.2rem 0 0.45rem;
  font-size: 0.9rem;
  color: #6d3d13;
}

.source-list {
  display: grid;
  gap: 0.55rem;
}

.source-card {
  border: 1px solid var(--line);
  background: #fff8ef;
  border-radius: 10px;
  padding: 0.65rem;
}

.source-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.35rem;
}

.source-doc {
  font-weight: 700;
  font-size: 0.86rem;
}

.source-page {
  font-size: 0.78rem;
  color: #6d3d13;
}

.source-excerpt {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.48;
}

.source-excerpt mark {
  background: #ffe29d;
  color: #402100;
  border-radius: 3px;
  padding: 0 2px;
}

.source-actions {
  margin-top: 0.5rem;
}

.source-link {
  display: inline-block;
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.35rem 0.58rem;
  border: 1px solid #ddbb97;
  border-radius: 8px;
  color: #6d3d13;
  background: #fdf2e4;
}

.source-web-list {
  margin: 0;
  padding-left: 1.1rem;
}

.doc {
  display: grid;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.1rem;
  background: var(--card-strong);
  gap: 0.75rem;
}

.doc-actions {
  margin-top: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.doc-actions button {
  width: 100%;
  padding: 0.55rem 0.9rem;
  font-size: 0.82rem;
}

.doc-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.8rem;
}

.doc-head h3 {
  flex: 1 1 auto;
  min-width: 0;
}

.doc-pages {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #684b29;
  font-size: 0.8rem;
  min-width: max-content;
  padding: 0.28rem 0.8rem;
  line-height: 1.2;
  white-space: nowrap;
  flex-shrink: 0;
  border-radius: 999px;
  border: 1px solid rgba(178, 74, 0, 0.24);
  background: rgba(255, 206, 140, 0.3);
}

.hash {
  margin: 0.55rem 0 0.3rem;
  color: #5d5247;
}

code {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
}

.summary {
  margin: 0;
  color: #2d251d;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1120px) {
  .app-layout {
    grid-template-columns: minmax(320px, 380px) 1fr;
  }

  .sidebar-title-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.55rem;
  }

  .sidebar-title {
    font-size: clamp(1.4rem, 5vw, 2rem);
  }

  .badge {
    white-space: normal;
  }
}

@media (max-width: 820px) {
  .shell {
    width: min(1120px, calc(100% - 1rem));
    padding-top: 0.95rem;
    height: auto;
    overflow: visible;
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-topline,
  .panel-head-inline,
  .doc-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .app-layout {
    grid-template-columns: 1fr;
    height: auto;
  }

  .sidebar-panel {
    position: static;
    height: auto;
    max-height: none;
    min-height: auto;
    overflow: visible;
  }

  .sidebar-docs {
    flex: initial;
    max-height: none;
    min-height: 0;
  }

  .chat-panel {
    min-height: 68vh;
    height: auto;
  }

  .chat-thread {
    min-height: 46vh;
    max-height: 56vh;
  }
}