:root {
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-light: #eff6ff;
  --green: #16a34a;
  --green-light: #f0fdf4;
  --red: #dc2626;
  --red-light: #fef2f2;
  --yellow: #d97706;
  --yellow-light: #fffbeb;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-900: #111827;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  color: var(--gray-900);
  background: var(--gray-50);
  line-height: 1.5;
}

/* ── Header ── */
header {
  background: var(--blue);
  color: #fff;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  height: 60px;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.header-brand svg { flex-shrink: 0; }
header h1 { font-size: 15px; font-weight: 700; line-height: 1.2; white-space: nowrap; }
header span { font-size: 11px; opacity: .7; white-space: nowrap; }

/* ── Tab nav ── */
.tab-nav {
  display: flex;
  gap: 4px;
  flex: 1;
}
.tab-btn {
  background: rgba(255,255,255,.15);
  border: none;
  color: rgba(255,255,255,.85);
  padding: 7px 20px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: background .15s, color .15s;
  white-space: nowrap;
}
.tab-btn:hover:not(.active) { background: rgba(255,255,255,.25); color: #fff; }
.tab-btn.active { background: #fff; color: var(--blue); }

.header-badge {
  margin-left: auto;
  background: rgba(255,255,255,.2);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 12px;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── Tab panes ── */
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ── Workspace (Home tab 3-column) ── */
.workspace {
  display: grid;
  grid-template-columns: 240px 1fr 280px;
  grid-template-areas: "left center right";
  gap: 16px;
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
  padding: 20px 24px;
}

.col-left  { grid-area: left;   display: flex; flex-direction: column; gap: 16px; }
.col-center { grid-area: center; display: flex; flex-direction: column; gap: 16px; }
.col-right { grid-area: right;  display: flex; flex-direction: column; gap: 16px; }

.flex-grow { flex: 1; }

@media (max-width: 1200px) {
  .workspace {
    grid-template-columns: 220px 1fr;
    grid-template-areas: "left center" "right right";
  }
}

@media (max-width: 768px) {
  .workspace {
    grid-template-columns: 1fr;
    grid-template-areas: "center" "left" "right";
    padding: 12px 16px;
  }
}

/* ── Tab content wrappers ── */
.tab-wrap {
  max-width: 800px;
  margin: 0 auto;
  padding: 24px;
}

.config-wrap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
  align-items: start;
}

/* ── Cards ── */
.card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-200);
}
.card-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 13px;
  color: var(--gray-700);
}
.card-body { padding: 16px; }

/* ── Status dots ── */
.status-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  font-size: 13px;
}
.status-row + .status-row { border-top: 1px solid var(--gray-100); }
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gray-300);
  flex-shrink: 0;
}
.dot.ok      { background: var(--green); }
.dot.err     { background: var(--red); }
.dot.loading { background: var(--yellow); animation: pulse 1s infinite; }

@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .4; } }

/* ── KPI strip ── */
.kpi-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.stat-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
  box-shadow: var(--shadow);
}
.stat-value { font-size: 28px; font-weight: 700; color: var(--blue); }
.stat-label { font-size: 11px; color: var(--gray-600); text-transform: uppercase; letter-spacing: .04em; margin-top: 2px; }

@media (max-width: 600px) {
  .kpi-strip { grid-template-columns: repeat(2, 1fr); }
}

/* ── Forms ── */
.form-group { margin-bottom: 12px; }
.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
input[type=text], input[type=password], input[type=number], select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  font-size: 13px;
  color: var(--gray-900);
  background: #fff;
  transition: border-color .15s;
}
input:focus, select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
input[type=password] { font-family: monospace; letter-spacing: .1em; }
input:disabled { background: var(--gray-100); color: var(--gray-400); cursor: not-allowed; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.toggle-btn {
  background: none;
  border: none;
  color: var(--blue);
  font-size: 12px;
  cursor: pointer;
  padding: 0;
  margin-top: 4px;
}

.hint-text { font-size: 11px; color: var(--gray-400); }

.section-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 10px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background .15s, transform .1s;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--blue-dark); }
.btn-outline  { background: #fff; color: var(--gray-700); border: 1px solid var(--gray-300); }
.btn-outline:hover:not(:disabled) { background: var(--gray-50); }
.btn-sm   { padding: 5px 10px; font-size: 12px; }
.btn-full { width: 100%; }
.btn-danger { color: var(--red); border-color: var(--red); }
.btn-danger:hover:not(:disabled) { background: var(--red-light); }

.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }
.btn-col { display: flex; flex-direction: column; gap: 8px; }

/* ── Profession checkboxes ── */
.profession-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.profession-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  transition: background .1s;
}
.profession-item:hover { background: var(--blue-light); }
.profession-item input { margin: 0; cursor: pointer; }
.profession-item.selected { background: var(--blue-light); border-color: var(--blue); }

/* ── Profession manager (Config tab) ── */
.prof-manager-list { margin-bottom: 4px; }

.prof-manager-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-100);
  gap: 8px;
}
.prof-manager-item:last-child { border-bottom: none; }

.prof-manager-info { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
.prof-manager-info strong { font-size: 13px; }

.prof-add-form {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-200);
}

/* ── Progress ── */
.progress-bar-wrap {
  background: var(--gray-200);
  border-radius: 20px;
  height: 8px;
  overflow: hidden;
  margin: 12px 0;
}
.progress-bar {
  height: 100%;
  border-radius: 20px;
  background: var(--blue);
  width: 0%;
  transition: width .4s ease;
}
.progress-bar.complete { background: var(--green); }
.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--gray-600);
  margin-bottom: 4px;
}

/* ── Log ── */
.log-box {
  background: var(--gray-900);
  color: #e5e7eb;
  border-radius: 6px;
  padding: 12px;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 12px;
  height: 200px;
  overflow-y: auto;
  line-height: 1.6;
}
.log-box::-webkit-scrollbar { width: 4px; }
.log-box::-webkit-scrollbar-track { background: transparent; }
.log-box::-webkit-scrollbar-thumb { background: #4b5563; border-radius: 2px; }

.log-line { margin: 1px 0; }
.log-ok   { color: #4ade80; }
.log-err  { color: #f87171; }
.log-warn { color: #fbbf24; }
.log-info { color: #93c5fd; }
.log-dim  { color: #6b7280; }

/* ── Table ── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  background: var(--gray-50);
  padding: 10px 12px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--gray-600);
  border-bottom: 1px solid var(--gray-200);
  white-space: nowrap;
}
tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
tbody tr:hover td { background: var(--gray-50); }
tbody tr:last-child td { border-bottom: none; }

/* ── Badges ── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}
.badge-blue   { background: var(--blue-light);   color: var(--blue); }
.badge-green  { background: var(--green-light);  color: var(--green); }
.badge-yellow { background: var(--yellow-light); color: var(--yellow); }

/* ── Empty state ── */
.empty-state { text-align: center; padding: 48px 24px; color: var(--gray-400); }
.empty-state .icon { font-size: 40px; margin-bottom: 12px; }
.empty-state p { font-size: 14px; }

/* ── History ── */
.history-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 13px;
}
.history-item:last-child { border-bottom: none; }
.history-meta { color: var(--gray-400); font-size: 11px; }

/* ── Toasts ── */
#toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  background: var(--gray-900);
  color: #fff;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 280px;
  animation: slideIn .2s ease;
}
.toast.ok   { border-left: 4px solid var(--green); }
.toast.err  { border-left: 4px solid var(--red); }
.toast.warn { border-left: 4px solid var(--yellow); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);   opacity: 1; }
}

/* ── Pyodide loader overlay ── */
#pyodide-loader {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 999;
  align-items: center;
  justify-content: center;
}
#pyodide-loader.show { display: flex; }
.loader-box {
  background: #fff;
  border-radius: 12px;
  padding: 32px 40px;
  text-align: center;
  box-shadow: var(--shadow-md);
}
.loader-spinner {
  width: 40px; height: 40px;
  border: 4px solid var(--gray-200);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loader-box p { color: var(--gray-600); font-size: 13px; }