/* ============================================================
   LAYOUT — grid, navbar, sidebar, responsive structure
   ============================================================ */

/* === CONTAINER === */
.container {
  width: 100%;
  padding: 0 var(--space-md);
  margin: 0 auto;
}

@media (min-width: 1025px) {
  .container {
    max-width: 1440px;
    padding: 0 var(--space-lg);
  }
}

.page-content {
  padding: var(--space-lg) var(--space-md);
}

@media (min-width: 1025px) {
  .page-content {
    padding: var(--space-lg);
  }
}

/* === GRID === */
.grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

@media (min-width: 481px) {
  .grid         { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1025px) {
  .grid         { grid-template-columns: repeat(3, 1fr); }
}

.grid-2 { display: grid; gap: var(--space-md); grid-template-columns: 1fr; }
@media (min-width: 481px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }

.grid-3 { display: grid; gap: var(--space-md); grid-template-columns: 1fr; }
@media (min-width: 481px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1025px){ .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.grid-4 { display: grid; gap: var(--space-md); grid-template-columns: 1fr; }
@media (min-width: 481px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1025px){ .grid-4 { grid-template-columns: repeat(4, 1fr); } }

/* === FLEXBOX UTILITIES === */
.flex         { display: flex; }
.flex-col     { flex-direction: column; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-start   { display: flex; align-items: center; justify-content: flex-start; }
.flex-wrap    { flex-wrap: wrap; }
.gap-xs   { gap: var(--space-xs); }
.gap-sm   { gap: var(--space-sm); }
.gap-md   { gap: var(--space-md); }
.gap-lg   { gap: var(--space-lg); }

/* === DISPLAY === */
.hidden       { display: none !important; }
.block        { display: block; }
.inline-flex  { display: inline-flex; }

@media (max-width: 480px)  { .hidden-mobile  { display: none !important; } }
@media (max-width: 1024px) { .hidden-tablet  { display: none !important; } }
@media (min-width: 1025px) { .hidden-desktop { display: none !important; } }

/* === NAVBAR === */
.navbar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0 var(--space-lg);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 200;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.iq-superscript {
  font-size: 0.55em;
  vertical-align: super;
  color: var(--text-secondary);
  font-weight: 400;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  font-size: var(--font-size-sm);
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: color var(--transition);
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link.active {
  color: var(--text-primary);
  border-bottom-color: var(--text-primary);
}

.nav-cta {
  margin-left: var(--space-md);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: var(--font-size-lg);
  width: 36px;
  height: 36px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }
}

/* Mobile nav overlay */
.nav-mobile-menu {
  display: none;
  position: fixed;
  top: 56px;
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  z-index: 199;
  flex-direction: column;
}

.nav-mobile-menu.open {
  display: flex;
}

.nav-mobile-menu a {
  display: block;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  transition: color var(--transition), background var(--transition);
}

.nav-mobile-menu a:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

/* === MAIN CONTENT === */
.main-content {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  min-height: calc(100vh - 56px);
}

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--border);
  padding: var(--space-md) var(--space-lg);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

.footer-disclaimer {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

/* === DATE NAVIGATION === */
.date-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-lg);
}

.date-label {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  letter-spacing: 0.04em;
}

/* === SECTION HEADER === */
.section-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border);
}

.section-title {
  font-family: var(--font-mono);
  font-size: var(--font-size-base);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-primary);
}

/* === SPORT PAGE HEADER === */
.sport-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.sport-page-title {
  font-family: var(--font-mono);
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.sport-source-line {
  font-size: var(--font-size-xs);
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  margin-top: var(--space-xs);
}

/* === RECORD BAR === */
.record-bar {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  border: 1px solid var(--border);
  padding: var(--space-sm) var(--space-md);
}

.record-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.record-row-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  min-width: 80px;
}

.record-divider {
  border-top: 1px solid var(--border);
}

.record-stat {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.record-stat-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

.record-stat-value {
  font-family: var(--font-mono);
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--text-primary);
}

/* === EXPLAINER BAR === */
.explainer-bar {
  border: 1px solid var(--border);
  margin-bottom: var(--space-lg);
}

.explainer-toggle {
  width: 100%;
  background: var(--bg-secondary);
  border: none;
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color var(--transition);
}

.explainer-toggle:hover {
  color: var(--text-primary);
}

.explainer-arrow {
  transition: transform var(--transition);
}

.explainer-content {
  padding: var(--space-md);
  border-top: 1px solid var(--border);
}

.explainer-section {
  margin-bottom: var(--space-md);
}

.explainer-section-title {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.conf-rows {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.conf-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.explainer-note {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border);
}

/* === ODDS LOCKED BADGE === */
.odds-locked-badge {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  padding: 2px 6px;
  border: 1px solid var(--border);
  background: var(--bg-tertiary);
}

/* === ERROR / EMPTY STATES === */
.empty-state {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.error-msg {
  padding: var(--space-sm) var(--space-md);
  color: var(--semantic-low);
  font-size: var(--font-size-sm);
  font-family: var(--font-mono);
}