:root {
  --bg: #f3efe5;
  --bg-soft: #fbf8f2;
  --panel: rgba(255, 251, 244, 0.82);
  --panel-strong: #fffdf8;
  --sidebar: #18251f;
  --sidebar-panel: rgba(255, 255, 255, 0.06);
  --text: #1f241f;
  --text-soft: #5f675d;
  --text-on-dark: #f5efe2;
  --text-muted-dark: rgba(245, 239, 226, 0.68);
  --line: rgba(31, 36, 31, 0.1);
  --line-strong: rgba(31, 36, 31, 0.16);
  --accent: #c45a2d;
  --accent-deep: #8f3410;
  --accent-soft: rgba(196, 90, 45, 0.12);
  --success: #24784f;
  --warning: #a56f14;
  --danger: #b13a36;
  --shadow: 0 20px 50px rgba(48, 37, 25, 0.12);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --font-body: "Avenir Next", "Segoe UI", sans-serif;
  --font-display: "Iowan Old Style", "Georgia", serif;
  --font-mono: "SF Mono", "Fira Code", "Consolas", monospace;
}

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

html,
body {
  height: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(196, 90, 45, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(36, 120, 79, 0.14), transparent 24%),
    linear-gradient(180deg, #f7f2e7 0%, #efe7da 100%);
  overflow-x: hidden;
  overflow-y: auto;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: none;
  background: none;
  cursor: pointer;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(196, 90, 45, 0.55);
  box-shadow: 0 0 0 4px rgba(196, 90, 45, 0.12);
  background: #fff;
}

.app-shell {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  min-height: 100vh;
  height: auto;
}

.sidebar {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 28%),
    var(--sidebar);
  color: var(--text-on-dark);
  padding: 28px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-block {
  padding: 8px 6px 0;
}

.eyebrow,
.panel-kicker {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 700;
}

.brand-block .eyebrow {
  color: #f2b78f;
}

.brand-block h1,
.hero-panel h2 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand-block h1 {
  margin-top: 10px;
  font-size: 2rem;
}

.brand-copy {
  margin-top: 10px;
  color: var(--text-muted-dark);
  line-height: 1.55;
  font-size: 0.95rem;
}

.sidebar-section {
  background: var(--sidebar-panel);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 14px;
  backdrop-filter: blur(8px);
}

.sidebar-section.grow {
  flex: 1;
  min-height: 260px;
  display: flex;
  flex-direction: column;
}

.field-label-row label,
.sidebar label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted-dark);
}

.sidebar input,
.sidebar select {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--text-on-dark);
}

.sidebar input::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.primary-button,
.secondary-button,
.mini-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.primary-button {
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: #fff7f2;
  padding: 12px 18px;
  font-weight: 700;
  box-shadow: 0 14px 24px rgba(143, 52, 16, 0.22);
}

.primary-button:hover,
.secondary-button:hover,
.mini-button:hover,
.send-btn:hover {
  transform: translateY(-1px);
}

.secondary-button {
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: inherit;
  font-weight: 600;
}

.ghost-button {
  width: 100%;
}

.workspace {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  min-height: 0;
  overflow: visible;
}

.hero-panel {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 26px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(255, 253, 248, 0.85), rgba(255, 248, 238, 0.92)),
    var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow);
  flex-shrink: 0;
}

.hero-panel .eyebrow,
.panel-kicker {
  color: var(--accent-deep);
}

.hero-panel h2 {
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  margin-top: 10px;
}

.hero-copy {
  margin-top: 12px;
  color: var(--text-soft);
  max-width: 720px;
  line-height: 1.65;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 12px;
  min-width: 360px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-md);
  padding: 16px;
}

.stat-label {
  display: block;
  font-size: 0.77rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-soft);
  margin-bottom: 8px;
}

.stat-card strong {
  font-size: 1.6rem;
  color: var(--text);
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(360px, 500px) minmax(0, 1fr);
  gap: 22px;
  min-height: auto;
  flex: 0 0 auto;
}

.operations-column,
.chat-column {
  display: flex;
  flex-direction: column;
  gap: 22px;
  min-height: 0;
}

.operations-column {
  overflow: visible;
  padding-right: 4px;
}

.panel {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  overflow: hidden;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 16px;
  padding: 22px 22px 0;
}

.panel-header.compact {
  padding: 0 0 12px;
}

.panel-header h3 {
  margin-top: 8px;
  font-size: 1.1rem;
}

.upload-form {
  padding: 18px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.upload-dropzone {
  padding: 18px;
  border: 1.5px dashed rgba(196, 90, 45, 0.35);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(196, 90, 45, 0.08), rgba(255, 255, 255, 0.65));
}

.dropzone-label {
  display: block;
  font-weight: 700;
  margin-bottom: 10px;
}

.helper-text {
  margin-top: 10px;
  color: var(--text-soft);
  font-size: 0.88rem;
  line-height: 1.45;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-soft);
}

.upload-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.feedback-note {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: rgba(31, 36, 31, 0.05);
  color: var(--text-soft);
  font-size: 0.9rem;
  line-height: 1.45;
}

.feedback-note.success {
  background: rgba(36, 120, 79, 0.1);
  color: var(--success);
}

.feedback-note.error {
  background: rgba(177, 58, 54, 0.1);
  color: var(--danger);
}

.feedback-note.working {
  background: rgba(165, 111, 20, 0.1);
  color: var(--warning);
}

.resource-list {
  padding: 18px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: 310px;
  overflow-y: auto;
}

.resource-list.empty-state {
  color: var(--text-soft);
}

.resource-card {
  padding: 16px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(31, 36, 31, 0.08);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.resource-card-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
}

.resource-card h4 {
  font-size: 0.98rem;
  line-height: 1.35;
}

.resource-card p,
.resource-card span,
.meta-row {
  color: var(--text-soft);
  font-size: 0.88rem;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.tag-row,
.resource-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(196, 90, 45, 0.1);
  color: var(--accent-deep);
  font-size: 0.78rem;
  font-weight: 700;
}

.tag.muted {
  background: rgba(31, 36, 31, 0.06);
  color: var(--text-soft);
}

.status-chip {
  align-self: start;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(31, 36, 31, 0.08);
  color: var(--text);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: capitalize;
}

.status-chip.completed,
.status-chip.ready,
.status-chip.indexed,
.status-chip.success {
  background: rgba(36, 120, 79, 0.12);
  color: var(--success);
}

.status-chip.pending,
.status-chip.processing,
.status-chip.queued,
.status-chip.running {
  background: rgba(165, 111, 20, 0.12);
  color: var(--warning);
}

.status-chip.failed,
.status-chip.error {
  background: rgba(177, 58, 54, 0.12);
  color: var(--danger);
}

.mini-button {
  padding: 8px 12px;
  background: rgba(24, 37, 31, 0.08);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 700;
}

.job-detail {
  line-height: 1.45;
}

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

.status-pill {
  align-self: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(31, 36, 31, 0.08);
  color: var(--text-soft);
  font-size: 0.82rem;
  font-weight: 700;
}

.status-pill.success {
  background: rgba(36, 120, 79, 0.12);
  color: var(--success);
}

.status-pill.working {
  background: rgba(165, 111, 20, 0.12);
  color: var(--warning);
}

.status-pill.error {
  background: rgba(177, 58, 54, 0.12);
  color: var(--danger);
}

.messages-area {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 18px 22px 10px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.message {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  box-shadow: 0 12px 22px rgba(143, 52, 16, 0.22);
}

.message.user .avatar {
  background: linear-gradient(135deg, #315c46, #1f3c2d);
  box-shadow: 0 12px 22px rgba(31, 60, 45, 0.22);
}

.content {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(31, 36, 31, 0.08);
  line-height: 1.62;
  overflow-wrap: anywhere;
}

.message.user .content {
  background: rgba(24, 37, 31, 0.92);
  color: var(--text-on-dark);
  border-color: rgba(255, 255, 255, 0.06);
}

.content p + p {
  margin-top: 0.9em;
}

.content ul,
.content ol {
  margin: 0.7em 0 0.9em 1.4em;
}

.content li + li {
  margin-top: 0.3em;
}

.content strong {
  font-weight: 700;
}

.content em {
  color: var(--text-soft);
}

.message.user .content em {
  color: rgba(245, 239, 226, 0.84);
}

.content code {
  background: rgba(24, 37, 31, 0.08);
  border-radius: 6px;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--accent-deep);
}

.content .text-block {
  max-width: 100%;
  overflow-x: auto;
  white-space: pre-wrap;
  background: rgba(24, 37, 31, 0.05);
  border: 1px solid rgba(31, 36, 31, 0.08);
  border-radius: 12px;
  padding: 12px 14px;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.88em;
  line-height: 1.55;
}

.composer-area {
  padding: 0 22px 22px;
}

.chat-form {
  display: flex;
  align-items: end;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(31, 36, 31, 0.08);
}

#questionInput {
  border: none;
  background: transparent;
  padding: 6px 4px;
  resize: none;
  min-height: 42px;
  max-height: 220px;
  box-shadow: none;
}

#questionInput:focus {
  box-shadow: none;
}

.send-btn {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: #fff;
  box-shadow: 0 14px 24px rgba(143, 52, 16, 0.22);
}

.send-btn:disabled,
.primary-button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.context-panel {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 14px;
}

.context-panel.hidden {
  display: none;
}

.context-summary {
  color: var(--text-on-dark);
  line-height: 1.45;
  font-size: 0.9rem;
}

.context-docs {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 160px;
  overflow-y: auto;
}

.context-doc {
  color: var(--text-muted-dark);
  font-size: 0.84rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.session-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}

.session-item {
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  border-radius: 14px;
  color: var(--text-on-dark);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid transparent;
}

.session-item:hover,
.session-item.active {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.08);
}

/* ─── Login overlay ───────────────────────────────────────────────────────── */

.login-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.login-overlay.hidden {
  display: none;
}

.login-card {
  background: var(--panel-strong);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  padding: 40px 44px;
  width: min(440px, 92vw);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.login-header h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-top: 10px;
  letter-spacing: -0.02em;
}

.login-header .eyebrow {
  color: var(--accent-deep);
}

.login-copy {
  margin-top: 8px;
  color: var(--text-soft);
  line-height: 1.55;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.remember-me-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-soft);
  cursor: pointer;
}

.remember-me-row input[type="checkbox"] {
  width: auto;
  margin: 0;
  accent-color: var(--accent);
}

.login-error {
  display: none;
}

.login-submit-btn {
  width: 100%;
  padding: 14px 18px;
}

/* ─── Sidebar user section ────────────────────────────────────────────────── */

.user-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.user-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar-badge {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  box-shadow: 0 8px 16px rgba(143, 52, 16, 0.22);
}

.user-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.user-display-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-on-dark);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-email-text {
  font-size: 0.78rem;
  color: var(--text-muted-dark);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.logout-btn {
  width: 100%;
  padding: 9px 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  color: var(--text-muted-dark);
  font-size: 0.82rem;
  font-weight: 600;
  text-align: center;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.logout-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  color: var(--text-on-dark);
}

.sidebar-footer {
  padding: 4px 8px 0;
}

.health-indicator {
  font-size: 0.86rem;
  color: var(--text-muted-dark);
}

.health-indicator.ok {
  color: #9fd7b8;
}

.health-indicator.error,
.inline-error {
  color: #ffb0aa;
}

@media (max-width: 1220px) {
  .workspace-grid {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }

  .chat-panel {
    min-height: 520px;
  }

  .hero-panel {
    flex-direction: column;
    align-items: start;
  }

  .hero-stats {
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
    height: auto;
    overflow: auto;
  }

  .sidebar {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .workspace {
    padding: 18px;
    overflow: visible;
  }
}

@media (max-width: 640px) {
  .workspace,
  .sidebar {
    padding: 16px;
  }

  .hero-stats,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .panel-header,
  .resource-card-head,
  .meta-row,
  .upload-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .message {
    grid-template-columns: 1fr;
  }

  .avatar {
    display: none;
  }
}