/* ── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0f0f13;
  --surface:   #16161f;
  --card:      #1c1c28;
  --card-alt:  #20202e;
  --border:    rgba(255,255,255,0.07);
  --primary:   #7c3aed;
  --primary-h: #6d28d9;
  --success:   #22c55e;
  --warning:   #f59e0b;
  --danger:    #ef4444;
  --info:      #38bdf8;
  --text:      #e2e8f0;
  --text-dim:  #94a3b8;
  --text-xs:   #64748b;
  --radius:    12px;
}

html, body { height: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}

/* ── Layout ───────────────────────────────────────────────────────────────── */
#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 10;
}

.logo {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text);
}
.logo span { color: var(--primary); }

.header-badge {
  font-size: 12px;
  color: var(--text-dim);
  background: var(--card);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 20px;
}

#main {
  flex: 1;
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

/* ── Pages ────────────────────────────────────────────────────────────────── */
.page { animation: fadeIn 0.2s ease; }
.hidden { display: none !important; }

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

/* ── Card ─────────────────────────────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.card-sub {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 24px;
}

/* ── Upload ───────────────────────────────────────────────────────────────── */
.upload-card { text-align: center; }

.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 24px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--primary);
  background: rgba(124, 58, 237, 0.06);
}

.upload-icon { font-size: 48px; }

.upload-text {
  font-size: 16px;
  font-weight: 600;
}

.upload-hint {
  font-size: 13px;
  color: var(--text-xs);
}

.upload-formats {
  font-size: 12px;
  color: var(--text-xs);
  margin-top: 4px;
}

/* ── Model selector ───────────────────────────────────────────────────────── */
.model-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
}

.model-label {
  font-size: 13px;
  color: var(--text-dim);
  white-space: nowrap;
}

.model-select {
  background: var(--card-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 13px;
  padding: 7px 32px 7px 12px;
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: border-color 0.2s;
}

.model-select:focus { border-color: var(--primary); }
.model-select option { background: var(--card); }

/* ── Agents grid ──────────────────────────────────────────────────────────── */
.agents-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.agent-card {
  background: var(--card-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  transition: border-color 0.2s;
}

.agent-card.running {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px rgba(124,58,237,0.2);
}

.agent-card.done { border-color: var(--success); }
.agent-card.error { border-color: var(--danger); }

.agent-icon { font-size: 28px; margin-bottom: 6px; }
.agent-name { font-size: 13px; font-weight: 600; margin-bottom: 4px; }
.agent-status { font-size: 12px; color: var(--text-xs); }
.agent-card.running .agent-status { color: var(--primary); }
.agent-card.done .agent-status { color: var(--success); }

/* ── Aggregator ───────────────────────────────────────────────────────────── */
.aggregator-row { margin-top: 4px; }

.aggregator-label {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.progress-bar {
  height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 2px;
  transition: width 0.4s ease;
}

/* ── Spinner ──────────────────────────────────────────────────────────────── */
.spinner {
  width: 12px;
  height: 12px;
  border: 2px solid rgba(124,58,237,0.3);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Result ───────────────────────────────────────────────────────────────── */
.result-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.result-badge {
  font-size: 14px;
  font-weight: 600;
  color: var(--success);
}

.result-filename {
  font-size: 12px;
  color: var(--text-xs);
  font-family: monospace;
  background: var(--card-alt);
  padding: 2px 8px;
  border-radius: 4px;
}

.result-content h2 {
  font-size: 16px;
  font-weight: 700;
  margin: 20px 0 10px;
  color: var(--text);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

.result-content h2:first-child { margin-top: 0; }

.result-content p {
  margin-bottom: 12px;
  color: var(--text-dim);
  font-size: 14px;
}

.result-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-bottom: 16px;
}

.result-content th {
  text-align: left;
  padding: 8px 12px;
  background: var(--card-alt);
  border: 1px solid var(--border);
  font-weight: 600;
  color: var(--text-dim);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.result-content td {
  padding: 8px 12px;
  border: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.5;
}

.result-content tr:nth-child(even) td { background: rgba(255,255,255,0.02); }

.result-content ul {
  padding-left: 20px;
  margin-bottom: 12px;
}

.result-content li {
  margin-bottom: 6px;
  color: var(--text-dim);
  font-size: 14px;
}

.result-content strong { color: var(--text); }

.result-content code {
  font-family: monospace;
  background: var(--card-alt);
  padding: 2px 5px;
  border-radius: 3px;
  font-size: 12px;
}

/* ── Chat ─────────────────────────────────────────────────────────────────── */
.chat-card { padding: 20px 24px; }

.chat-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-dim);
}

.chat-messages {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
  max-height: 400px;
  overflow-y: auto;
}

.chat-bubble {
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 14px;
  line-height: 1.55;
  max-width: 85%;
}

.chat-bubble.user {
  background: var(--primary);
  color: #fff;
  align-self: flex-end;
  border-radius: 10px 10px 2px 10px;
}

.chat-bubble.assistant {
  background: var(--card-alt);
  border: 1px solid var(--border);
  align-self: flex-start;
  border-radius: 10px 10px 10px 2px;
  color: var(--text-dim);
}

.chat-bubble.assistant strong { color: var(--text); }

.chat-input-row {
  display: flex;
  gap: 8px;
}

.chat-input {
  flex: 1;
  background: var(--card-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.chat-input:focus { border-color: var(--primary); }
.chat-input::placeholder { color: var(--text-xs); }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: background 0.15s, opacity 0.15s;
  white-space: nowrap;
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover:not(:disabled) { background: var(--primary-h); }

.btn-outline {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
}
.btn-outline:hover:not(:disabled) { border-color: rgba(255,255,255,0.2); color: var(--text); }

/* ── Alerts ───────────────────────────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  margin-top: 16px;
}

.alert-danger {
  background: rgba(239,68,68,0.12);
  border: 1px solid rgba(239,68,68,0.3);
  color: #fca5a5;
}

/* ── Btn row ──────────────────────────────────────────────────────────────── */
.btn-row {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}

/* ── Buttons sm ───────────────────────────────────────────────────────────── */
.btn-sm { padding: 5px 12px; font-size: 13px; }

/* ── History ──────────────────────────────────────────────────────────────── */
.history-empty {
  font-size: 14px;
  color: var(--text-xs);
  padding: 24px 0;
  text-align: center;
}

.history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.history-item:last-child { border-bottom: none; }

.history-filename {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 3px;
}

.history-meta {
  font-size: 12px;
  color: var(--text-xs);
}

.history-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid rgba(239,68,68,0.3);
}
.btn-danger:hover:not(:disabled) {
  background: rgba(239,68,68,0.1);
  border-color: var(--danger);
}

/* ── Login page ───────────────────────────────────────────────────────────── */
body.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-wrap {
  width: 100%;
  max-width: 380px;
  padding: 24px;
}

.login-card { padding: 28px; }

/* ── Forms ────────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  background: var(--card-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus { border-color: var(--primary); }
.form-input::placeholder { color: var(--text-xs); }

/* ── Alert success ────────────────────────────────────────────────────────── */
.alert-success {
  background: rgba(34,197,94,0.12);
  border: 1px solid rgba(34,197,94,0.3);
  color: #86efac;
}

/* ── Header user ──────────────────────────────────────────────────────────── */
.header-user {
  font-size: 13px;
  color: var(--text-dim);
}

/* ── Role badge ───────────────────────────────────────────────────────────── */
.role-badge {
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 10px;
  font-weight: 500;
  vertical-align: middle;
}

.role-admin {
  background: rgba(124,58,237,0.2);
  color: #c4b5fd;
  border: 1px solid rgba(124,58,237,0.3);
}

.role-user {
  background: rgba(148,163,184,0.1);
  color: var(--text-dim);
  border: 1px solid var(--border);
}