:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --sidebar: #1f2937;
  --sidebar-muted: #9ca3af;
  --primary: #2563eb;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --hover: #f3f4f6;
  --danger: #dc2626;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
}

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

button {
  cursor: pointer;
}

.hidden {
  display: none !important;
}

.app-shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  background: var(--sidebar);
  color: #ffffff;
  padding: 16px 12px;
}

.brand-card {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 6px 8px 16px;
}

.brand-card h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-card p,
.side-note,
.breadcrumb,
.helper,
small {
  color: var(--muted);
}

.sidebar .eyebrow,
.side-note span {
  color: var(--sidebar-muted);
}

.eyebrow {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-list {
  display: grid;
  gap: 4px;
  margin: 18px 0;
}

.nav-item {
  width: 100%;
  border: 0;
  border-left: 3px solid transparent;
  background: transparent;
  color: #d1d5db;
  padding: 10px 10px;
  text-align: left;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}

.nav-item::before {
  content: "■";
  margin-right: 8px;
  color: #6b7280;
  font-size: 8px;
}

.nav-item:hover,
.nav-item.active {
  border-left-color: var(--primary);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.side-note {
  margin-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 14px 8px 0;
  line-height: 1.5;
}

.side-note strong {
  display: block;
  margin-bottom: 6px;
  color: #ffffff;
}

.main-panel {
  min-width: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  padding: 10px 24px;
}

.topbar h2 {
  margin: 2px 0 0;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.breadcrumb {
  margin: 0;
  font-size: 12px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.role-badge {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 7px 10px;
  font-size: 13px;
}

.button,
.chip {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 8px 12px;
  font-weight: 700;
  transition: background 120ms ease, border-color 120ms ease;
}

.button:hover,
.chip:hover {
  background: var(--hover);
}

.button.primary {
  border-color: var(--primary);
  background: var(--primary);
  color: #ffffff;
}

.button.danger {
  border-color: var(--danger);
  background: var(--danger);
  color: #ffffff;
}

.button.full {
  width: 100%;
}

.auth-grid,
.workspace {
  padding: 24px;
}

.auth-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 16px;
}

.intro-panel,
.card,
.kpi {
  border: 1px solid var(--border);
  background: var(--surface);
}

.intro-panel,
.card {
  padding: 18px;
}

.intro-panel h2,
.card h3 {
  margin: 4px 0 8px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.intro-panel p {
  max-width: 760px;
  line-height: 1.6;
}

.form-card {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
}

input,
select,
textarea,
.compact-input {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 8px 10px;
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
}

.workspace {
  display: grid;
  gap: 16px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.kpi {
  padding: 14px;
}

.kpi span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.kpi strong {
  display: block;
  margin-top: 6px;
  font-size: 22px;
}

.content-grid,
.two-column {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}

.span-4 {
  grid-column: span 4;
}

.span-5 {
  grid-column: span 5;
}

.span-6 {
  grid-column: span 6;
}

.span-7 {
  grid-column: span 7;
}

.span-8 {
  grid-column: span 8;
}

.span-12 {
  grid-column: span 12;
}

.section-head,
.filter-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.filter-row {
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.route-container {
  display: grid;
  gap: 16px;
}

.activity-list,
.list,
.skill-list {
  display: grid;
  gap: 8px;
}

.activity-item,
.skill-pill {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 9px 10px;
}

.table {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
}

.data-table th,
.data-table td {
  border-bottom: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
  vertical-align: middle;
}

.data-table th {
  background: #f9fafb;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.data-table tr:hover td {
  background: #f9fafb;
}

.status {
  display: inline-block;
  border: 1px solid var(--border);
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 700;
}

.status.selected {
  border-color: #bbf7d0;
  background: #f0fdf4;
  color: #166534;
}

.status.applied {
  border-color: #dbeafe;
  background: #eff6ff;
  color: #1d4ed8;
}

.dropzone {
  display: grid;
  place-items: center;
  min-height: 180px;
  border: 1px dashed #9ca3af;
  background: #ffffff;
  padding: 20px;
  text-align: center;
}

.dropzone.dragging {
  border-color: var(--primary);
  background: #eff6ff;
}

.resume-preview {
  min-height: 180px;
  max-height: 280px;
  overflow: auto;
  white-space: pre-wrap;
  color: var(--muted);
}

.score-ring {
  display: grid;
  place-items: center;
  width: 112px;
  height: 112px;
  border: 8px solid #dbeafe;
  border-top-color: var(--primary);
  border-radius: 999px;
}

.score-ring span {
  font-size: 24px;
  font-weight: 900;
}

.toast {
  margin: 12px 24px 0;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 10px 12px;
  color: var(--text);
}

.loading {
  opacity: 0.65;
  pointer-events: none;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

  .nav-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .auth-grid,
  .content-grid,
  .two-column {
    grid-template-columns: 1fr;
  }

  .span-4,
  .span-5,
  .span-6,
  .span-7,
  .span-8,
  .span-12 {
    grid-column: span 1;
  }

  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .topbar,
  .section-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .auth-grid,
  .workspace {
    padding: 16px;
  }

  .kpi-grid,
  .nav-list {
    grid-template-columns: 1fr;
  }
}