/* ─── Reset & Base ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --red:        #e10600;
  --red-dark:   #a80400;
  --dark:       #15151e;
  --dark-2:     #1f1f2e;
  --dark-3:     #2b2b3b;
  --dark-4:     #38384f;
  --white:      #ffffff;
  --off-white:  #f0f0f5;
  --muted:      #9090a8;
  --border:     #2e2e42;
  --gold:       #ffd700;
  --silver:     #c0c0c0;
  --bronze:     #cd7f32;
  --green:      #39b54a;
  --font:       -apple-system, "Segoe UI", system-ui, sans-serif;
  --radius:     8px;
  --radius-lg:  12px;
  --shadow:     0 4px 24px rgba(0,0,0,.45);
}

html { font-size: 15px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--dark);
  color: var(--off-white);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--red); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Header ───────────────────────────────────────────────────── */
.site-header {
  background: var(--dark-2);
  border-bottom: 3px solid var(--red);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-flag { font-size: 28px; line-height: 1; }

.brand-title {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--white);
  line-height: 1.1;
  text-transform: uppercase;
}

.brand-subtitle {
  font-size: .78rem;
  color: var(--muted);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.header-nav { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.season-select {
  background: var(--dark-3);
  border: 1.5px solid var(--border);
  color: var(--off-white);
  padding: 6px 28px 6px 12px;
  border-radius: 20px;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .04em;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%239090a8'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: border-color .15s, background-color .15s;
}
.season-select:hover { border-color: var(--red); }
.season-select:focus { outline: none; border-color: var(--red); }

.nav-btn {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--muted);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: .04em;
  transition: background .15s, color .15s, border-color .15s;
}
.nav-btn:hover { border-color: var(--red); color: var(--off-white); }
.nav-btn.active { background: var(--red); border-color: var(--red); color: var(--white); }

/* ─── Main layout ──────────────────────────────────────────────── */
.main-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 20px 48px;
  flex: 1;
  width: 100%;
}

/* ─── Section header ───────────────────────────────────────────── */
.section-header { margin-bottom: 28px; }

.section-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: .02em;
}

.section-meta {
  margin-top: 4px;
  font-size: .82rem;
  color: var(--muted);
}

/* ─── Race grid ────────────────────────────────────────────────── */
.race-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.race-card {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  cursor: pointer;
  transition: border-color .15s, transform .1s, box-shadow .15s;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  overflow: hidden;
}

.race-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--border);
  border-radius: 4px 0 0 4px;
  transition: background .15s;
}

.race-card.completed::before { background: var(--green); }
.race-card.upcoming::before  { background: var(--muted); }
.race-card.next::before      { background: var(--red); }

.race-card:hover {
  border-color: var(--red);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.race-card:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}

.card-round {
  font-size: .72rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.card-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
}

.card-circuit {
  font-size: .82rem;
  color: var(--muted);
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 6px;
  gap: 8px;
}

.card-date {
  font-size: .82rem;
  color: var(--off-white);
  font-variant-numeric: tabular-nums;
}

.card-badge {
  font-size: .68rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 10px;
  letter-spacing: .06em;
  text-transform: uppercase;
  white-space: nowrap;
}
.badge-completed { background: rgba(57,181,74,.15); color: var(--green); border: 1px solid rgba(57,181,74,.3); }
.badge-upcoming  { background: rgba(144,144,168,.12); color: var(--muted); border: 1px solid var(--border); }
.badge-next      { background: rgba(225,6,0,.15); color: #ff6060; border: 1px solid rgba(225,6,0,.35); }

.card-winner {
  font-size: .8rem;
  color: var(--gold);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ─── Detail view ──────────────────────────────────────────────── */
.back-btn {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--muted);
  padding: 7px 16px;
  border-radius: 20px;
  font-size: .83rem;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 24px;
  transition: color .15s, border-color .15s;
}
.back-btn:hover { color: var(--off-white); border-color: var(--red); }

.detail-header {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.detail-round {
  font-size: .75rem;
  font-weight: 700;
  color: var(--red);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.detail-name {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 6px;
}

.detail-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 10px;
}

.detail-meta-item {
  font-size: .82rem;
  color: var(--muted);
}
.detail-meta-item strong { color: var(--off-white); font-weight: 600; }

/* ─── Tables ────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
}

thead th {
  background: var(--dark-3);
  color: var(--muted);
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background .1s;
}
tbody tr:hover { background: var(--dark-3); }
tbody tr:last-child { border-bottom: none; }

tbody td {
  padding: 10px 14px;
  vertical-align: middle;
  white-space: nowrap;
}

.pos-cell {
  font-weight: 800;
  font-size: 1rem;
  width: 46px;
  text-align: center;
}
.pos-1 { color: var(--gold); }
.pos-2 { color: var(--silver); }
.pos-3 { color: var(--bronze); }

.driver-cell { font-weight: 600; color: var(--white); }
.driver-num { color: var(--muted); font-size: .78rem; margin-right: 6px; }
.team-cell  { color: var(--muted); }
.time-cell  { font-variant-numeric: tabular-nums; }
.pts-cell   { font-weight: 700; color: var(--off-white); }

.team-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
  flex-shrink: 0;
}

.status-dnf { color: #ff6060; font-size: .78rem; font-weight: 600; }
.status-dsq { color: var(--red); font-size: .78rem; font-weight: 700; }

/* ─── Loader ────────────────────────────────────────────────────── */
.loader-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  padding: 40px 0;
  font-size: .9rem;
}
.loader-wrap[hidden] { display: none; }

.spinner {
  width: 22px; height: 22px;
  border: 3px solid var(--border);
  border-top-color: var(--red);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Error banner ──────────────────────────────────────────────── */
.error-banner {
  background: rgba(225,6,0,.1);
  border: 1px solid rgba(225,6,0,.35);
  border-radius: var(--radius);
  padding: 14px 18px;
  color: #ff8080;
  font-size: .88rem;
  margin-top: 16px;
}
.error-banner[hidden] { display: none; }

/* ─── Standings two-column layout ───────────────────────────────── */
.standings-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.standings-col-title {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}

@media (max-width: 860px) {
  .standings-columns { grid-template-columns: 1fr; gap: 40px; }
}

/* ─── Footer ────────────────────────────────────────────────────── */
.site-footer {
  text-align: center;
  padding: 18px 20px;
  font-size: .78rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

/* ─── Responsive ────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .race-grid { grid-template-columns: 1fr; }
  .detail-name { font-size: 1.5rem; }
  .header-inner { padding: 10px 14px; }
  .main-content { padding: 20px 14px 40px; }
}