/* === DESIGN TOKENS === */
:root,
[data-theme='light'] {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Palette: Deep navy + emerald accent for business intelligence */
  --color-bg: #f5f6f8;
  --color-surface: #ffffff;
  --color-surface-2: #f9fafb;
  --color-surface-offset: #eef0f4;
  --color-border: #dce0e8;
  --color-divider: #e5e8ee;
  --color-text: #1a1d26;
  --color-text-muted: #6b7280;
  --color-text-faint: #9ca3af;
  --color-text-inverse: #ffffff;
  --color-primary: #0f6b5e;
  --color-primary-hover: #0a5248;
  --color-primary-light: #e6f5f0;
  --color-accent: #2563eb;
  --color-accent-light: #eff4ff;
  --color-warning: #d97706;
  --color-warning-light: #fef9e7;
  --color-error: #dc2626;
  --color-error-light: #fef2f2;
  --color-success: #16a34a;
  --color-success-light: #f0fdf4;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.08);

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  --font-display: 'Cabinet Grotesk', 'General Sans', sans-serif;
  --font-body: 'General Sans', -apple-system, sans-serif;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme='dark'] {
  --color-bg: #0f1117;
  --color-surface: #1a1d27;
  --color-surface-2: #21242f;
  --color-surface-offset: #161922;
  --color-border: #2d3142;
  --color-divider: #252838;
  --color-text: #e2e4ea;
  --color-text-muted: #8b8f9e;
  --color-text-faint: #5c6070;
  --color-text-inverse: #1a1d26;
  --color-primary: #34d399;
  --color-primary-hover: #6ee7b7;
  --color-primary-light: rgba(52,211,153,0.1);
  --color-accent: #60a5fa;
  --color-accent-light: rgba(96,165,250,0.1);
  --color-warning: #fbbf24;
  --color-warning-light: rgba(251,191,36,0.08);
  --color-error: #f87171;
  --color-error-light: rgba(248,113,113,0.08);
  --color-success: #4ade80;
  --color-success-light: rgba(74,222,128,0.08);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0f1117;
    --color-surface: #1a1d27;
    --color-surface-2: #21242f;
    --color-surface-offset: #161922;
    --color-border: #2d3142;
    --color-divider: #252838;
    --color-text: #e2e4ea;
    --color-text-muted: #8b8f9e;
    --color-text-faint: #5c6070;
    --color-text-inverse: #1a1d26;
    --color-primary: #34d399;
    --color-primary-hover: #6ee7b7;
    --color-primary-light: rgba(52,211,153,0.1);
    --color-accent: #60a5fa;
    --color-accent-light: rgba(96,165,250,0.1);
    --color-warning: #fbbf24;
    --color-warning-light: rgba(251,191,36,0.08);
    --color-error: #f87171;
    --color-error-light: rgba(248,113,113,0.08);
    --color-success: #4ade80;
    --color-success-light: rgba(74,222,128,0.08);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.4);
  }
}

/* === BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}
body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
}
h1,h2,h3,h4,h5,h6 { line-height: 1.2; font-family: var(--font-display); }
p, li { max-width: 72ch; }
a, button, [role='button'], input, select {
  transition: color var(--transition-interactive), background var(--transition-interactive), border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
button { cursor: pointer; background: none; border: none; }
::selection { background: rgba(15,107,94,0.2); }

/* === HEADER === */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
}
.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.logo-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.logo-mark { color: var(--color-primary); flex-shrink: 0; }
.logo-text {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.logo-sub {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.header-actions button {
  color: var(--color-text-muted);
  padding: var(--space-2);
  border-radius: var(--radius-md);
}
.header-actions button:hover { color: var(--color-text); background: var(--color-surface-offset); }
.badge {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}
.badge-date { background: var(--color-primary-light); color: var(--color-primary); }

/* === MAIN === */
.main {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* === KPI ROW === */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.kpi-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.kpi-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--color-primary);
}

/* === CHARTS === */
.charts-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.chart-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.chart-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* === FILTERS === */
.filters-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.search-box {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  min-width: 220px;
}
.search-box input {
  border: none;
  background: transparent;
  outline: none;
  font-size: var(--text-sm);
  color: var(--color-text);
  width: 100%;
}
.search-box input::placeholder { color: var(--color-text-faint); }
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}
.chip {
  font-size: var(--text-xs);
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
}
.chip:hover { border-color: var(--color-primary); color: var(--color-primary); }
.chip.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}
.sort-select {
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  color: var(--color-text);
  cursor: pointer;
  margin-left: auto;
}

/* === CARDS GRID === */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: var(--space-4);
}
.company-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}
.company-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}
.card-header {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  cursor: pointer;
}
.card-top-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}
.card-name {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.strength-badge {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.strength-1 { background: var(--color-success-light); color: var(--color-success); }
.strength-2 { background: var(--color-primary-light); color: var(--color-primary); }
.strength-3 { background: var(--color-accent-light); color: var(--color-accent); }
.strength-4 { background: var(--color-warning-light); color: var(--color-warning); }
.strength-5 { background: var(--color-error-light); color: var(--color-error); }

.card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}
.badge-sector { background: var(--color-accent-light); color: var(--color-accent); }
.badge-maturity { background: var(--color-surface-offset); color: var(--color-text-muted); }
.card-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  padding: 0 var(--space-5);
}
.meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.meta-label {
  font-size: 11px;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}
.meta-value {
  font-size: var(--text-xs);
  color: var(--color-text);
  font-weight: 500;
}

/* Expandable details */
.card-details {
  max-height: 0;
  overflow: hidden;
  transition: max-height 400ms cubic-bezier(0.16, 1, 0.3, 1);
}
.card-details.open {
  max-height: 2000px;
}
.card-details-inner {
  padding: var(--space-4) var(--space-5) var(--space-5);
  border-top: 1px solid var(--color-divider);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.detail-section h4 {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.detail-section p, .detail-section li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.detail-section ul {
  list-style: none;
  padding: 0;
}
.detail-section li::before {
  content: "→ ";
  color: var(--color-primary);
  font-weight: 600;
}
.card-footer {
  padding: var(--space-3) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-divider);
}
.expand-btn {
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.expand-btn svg {
  transition: transform 300ms ease;
}
.expand-btn.open svg {
  transform: rotate(180deg);
}
.card-link {
  font-size: var(--text-xs);
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
}
.card-link:hover { text-decoration: underline; }

/* === ANALYSIS SECTION === */
.section-title {
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}
.analysis-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
.analysis-card {
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
}
.analysis-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.analysis-header h3 {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.analysis-strong { background: var(--color-success-light); }
.analysis-strong .analysis-header { color: var(--color-success); }
.analysis-promising { background: var(--color-primary-light); }
.analysis-promising .analysis-header { color: var(--color-primary); }
.analysis-watch { background: var(--color-warning-light); }
.analysis-watch .analysis-header { color: var(--color-warning); }
.analysis-weak { background: var(--color-error-light); }
.analysis-weak .analysis-header { color: var(--color-error); }
.analysis-body {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.7;
}
.analysis-body strong { font-weight: 600; }
.analysis-body p { margin-bottom: var(--space-2); }
.analysis-body p:last-child { margin-bottom: 0; }

/* === SOURCES === */
.sources-section {
  padding: var(--space-5);
  background: var(--color-surface-offset);
  border-radius: var(--radius-lg);
}
.sources-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
  text-align: center;
}

/* === NO RESULTS === */
.no-results {
  text-align: center;
  padding: var(--space-12);
  color: var(--color-text-muted);
}
.no-results svg { margin: 0 auto var(--space-4); opacity: 0.4; }
.no-results p { font-size: var(--text-lg); font-weight: 600; }

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .charts-row { grid-template-columns: 1fr; }
  .analysis-grid { grid-template-columns: 1fr; }
  .cards-grid { grid-template-columns: 1fr; }
  .header-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 600px) {
  .main { padding: var(--space-4); }
  .kpi-row { grid-template-columns: 1fr 1fr; }
  .filters-bar { flex-direction: column; align-items: stretch; }
  .sort-select { margin-left: 0; }
}