/* =========================================================
   All in One Football Analytics — design system
   Dark, technical, pitch-green accents. Reuse these tokens
   and component classes on future analytics pages.
   ========================================================= */

:root {
  /* Surfaces */
  --bg-primary: #07090d;
  --bg-secondary: #0b0f16;
  --surface: #121821;
  --surface-elevated: #161e2a;
  --surface-hover: #1a2433;

  /* Borders & overlays */
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --glass: rgba(18, 24, 33, 0.72);

  /* Text */
  --text-primary: #f2f5f8;
  --text-secondary: #a5b0c0;
  --text-muted: #6d788a;

  /* Accent — pitch / data green */
  --accent: #2dd47a;
  --accent-hover: #45e38d;
  --accent-muted: rgba(45, 212, 122, 0.14);
  --accent-glow: rgba(45, 212, 122, 0.28);

  /* Status */
  --success: #2dd47a;
  --warning: #e6b84d;
  --danger: #e85d6a;
  --info: #5b9fd4;

  /* Geometry */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;

  /* Shadow */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.55);

  /* Layout */
  --container: 1120px;
  --header-h: 68px;
  --font-sans: "IBM Plex Sans", system-ui, sans-serif;
  --font-display: "Outfit", "IBM Plex Sans", system-ui, sans-serif;
  --transition: 180ms ease;
}

/* Reset / base */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(45, 212, 122, 0.07), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(40, 80, 140, 0.12), transparent 50%),
    var(--bg-primary);
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--accent-hover);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 1000;
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: #04140c;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: top var(--transition);
}

.skip-link:focus {
  top: 1rem;
  color: #04140c;
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

/* Typography helpers */
.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.1rem, 4.5vw, 3.25rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.55rem, 3vw, 2.1rem); margin: 0 0 0.75rem; }
h3 { font-size: 1.1rem; margin: 0 0 0.5rem; }

.section-lead,
.lead {
  margin: 0;
  max-width: 38rem;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.section-header {
  margin-bottom: 2.25rem;
}

.section {
  padding: 4.5rem 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition:
    background var(--transition),
    border-color var(--transition),
    color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--accent);
  color: #04140c;
  box-shadow: 0 0 0 0 transparent, 0 8px 24px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #04140c;
  box-shadow: 0 10px 28px var(--accent-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  background: var(--surface-hover);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.22);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

/* Cards / surfaces */
.card,
.feature-card,
.stat-card,
.preview-shell,
.cta-panel,
.hero-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

/* Badges / chips / status */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge-demo {
  background: var(--accent-muted);
  color: var(--accent);
  border: 1px solid rgba(45, 212, 122, 0.25);
}

.chip {
  display: inline-flex;
  margin-top: 1rem;
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--accent-muted);
  color: var(--accent);
}

.chip-muted {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

.chip-soon {
  background: rgba(251, 191, 36, 0.12);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.28);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-muted);
  animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

/* Form primitives (for future pages) */
input,
select,
textarea {
  width: 100%;
  min-height: 2.5rem;
  padding: 0.55rem 0.75rem;
  color: var(--text-primary);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(45, 212, 122, 0.55);
  box-shadow: 0 0 0 3px var(--accent-muted);
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th,
.data-table td {
  padding: 0.85rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table th {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.data-table tbody tr {
  transition: background var(--transition);
}

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.data-table .pts {
  font-weight: 700;
  color: var(--accent);
}

/* Tooltips (lightweight) */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: 0.35rem 0.55rem;
  border-radius: var(--radius-sm);
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}

[data-tooltip]:hover::after,
[data-tooltip]:focus-visible::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: var(--glass);
  border-bottom: 1px solid var(--border);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text-primary);
  flex-shrink: 0;
}

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

.brand-mark {
  color: var(--accent);
  display: grid;
  place-items: center;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
}

.brand-sub {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex: 1;
  justify-content: flex-end;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.7rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.nav-links a.is-active {
  color: var(--text-primary);
  background: rgba(45, 212, 122, 0.1);
}

.nav-links-aside {
  padding-left: 0.75rem;
  border-left: 1px solid var(--border);
}

.nav-api-usage {
  margin-right: 0.15rem;
}

.api-usage-chip {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.05rem;
  max-width: 11rem;
  padding: 0.35rem 0.65rem !important;
  border: 1px solid rgba(45, 212, 122, 0.25);
  background: rgba(45, 212, 122, 0.08);
  line-height: 1.15;
}

.api-usage-chip:hover {
  background: rgba(45, 212, 122, 0.14);
  color: var(--text-primary);
}

.api-usage-chip-empty {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.78rem;
}

.api-usage-label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.api-usage-remaining {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.api-usage-meta {
  font-size: 0.68rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 10rem;
}

.flash-messages {
  padding-top: 0.75rem;
}

.flash-message {
  margin: 0 0 0.5rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
}

.flash-success {
  border: 1px solid rgba(45, 212, 122, 0.35);
  background: rgba(45, 212, 122, 0.1);
  color: var(--accent);
}

.flash-error {
  border: 1px solid rgba(248, 113, 113, 0.35);
  background: rgba(248, 113, 113, 0.08);
  color: #fca5a5;
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 1.1rem;
  height: 2px;
  margin: 0 auto;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: relative;
}

.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after { top: 4px; }

.nav-toggle[aria-expanded="true"] .nav-toggle-bars {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after {
  top: -2px;
  transform: rotate(-45deg);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  padding: 2.5rem 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.25rem;
}

.footer-name {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
}

.footer-tagline,
.footer-meta {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* Coming soon */
.coming-soon {
  padding: 5rem 0 6rem;
}

.coming-soon-inner {
  max-width: 36rem;
}

.coming-soon-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

/* Reveal helper */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  animation: fade-up 0.7s ease forwards;
}

.reveal-delay {
  animation-delay: 0.15s;
}

@keyframes fade-up {
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal,
  .reveal-delay {
    opacity: 1;
    transform: none;
    animation: none;
  }
  .status-dot,
  .dot,
  .heat {
    animation: none !important;
  }
}

/* Responsive nav */
@media (max-width: 960px) {
  .nav-toggle {
    display: inline-grid;
    place-items: center;
    margin-left: auto;
  }

  .primary-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1rem 1.25rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }

  .primary-nav.is-open {
    display: flex;
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-links-aside {
    padding: 0.75rem 0 0;
    margin-top: 0.5rem;
    border-left: 0;
    border-top: 1px solid var(--border);
  }

  .nav-links a {
    padding: 0.75rem 0.85rem;
  }

  .api-usage-chip {
    max-width: none;
  }

  .api-usage-meta {
    max-width: none;
    white-space: normal;
  }
}