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

:root {
  --clr-bg: #0b0e1a;
  --clr-surface: rgba(255, 255, 255, 0.06);
  --clr-border: rgba(255, 255, 255, 0.10);
  --clr-text: #e8eaf0;
  --clr-text-dim: #9ba2b8;
  --clr-accent: #ff6b35;
  --clr-accent-glow: rgba(255, 107, 53, 0.45);
  --clr-team: #ffcf40;
  --clr-casual: #7dd3fc;
  --radius: 20px;
  --font: 'Outfit', system-ui, sans-serif;
}

html {
  font-size: 16px;
}

body {
  font-family: var(--font);
  background: var(--clr-bg);
  color: var(--clr-text);
  min-height: 100dvh;
  display: flex;
  justify-content: center;
  overflow-x: hidden;
  position: relative;
}

/* ── Animated background blobs ────────────────────── */
.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

.bg-glow--1 {
  width: 500px;
  height: 500px;
  background: #ff6b35;
  top: -120px;
  left: -100px;
  animation: float1 8s ease-in-out infinite alternate;
}

.bg-glow--2 {
  width: 400px;
  height: 400px;
  background: #6366f1;
  bottom: -80px;
  right: -80px;
  animation: float2 10s ease-in-out infinite alternate;
}

@keyframes float1 {
  to {
    transform: translate(60px, 80px) scale(1.1);
  }
}

@keyframes float2 {
  to {
    transform: translate(-50px, -60px) scale(1.15);
  }
}

/* ── Layout ───────────────────────────────────────── */
main {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 520px;
  padding: 3rem 1.25rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

/* ── Header ───────────────────────────────────────── */
.badge {
  display: inline-block;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 999px;
  padding: 0.4rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-accent);
  backdrop-filter: blur(12px);
}

header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

h1 {
  font-size: clamp(2.4rem, 8vw, 3.8rem);
  font-weight: 800;
  line-height: 1.05;
  background: linear-gradient(135deg, #fff 30%, var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  color: var(--clr-text-dim);
  font-size: 1.05rem;
  max-width: 340px;
  line-height: 1.5;
}

/* ── CTA Button ───────────────────────────────────── */
.pick-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, var(--clr-accent), #e04e1a);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 1rem 2.2rem;
  font-family: var(--font);
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 30px var(--clr-accent-glow);
  -webkit-tap-highlight-color: transparent;
}

.pick-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 40px var(--clr-accent-glow);
}

.pick-btn:active {
  transform: scale(0.97);
}

.pick-btn__icon {
  font-size: 1.5rem;
}

/* loading state */
.pick-btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

.pick-btn.loading .pick-btn__text::after {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  margin-left: 0.6rem;
  border: 2.5px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ── Result Card ──────────────────────────────────── */
.result-card {
  width: 100%;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  backdrop-filter: blur(18px);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  animation: cardIn 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.result-card.hidden {
  display: none;
}

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.96);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.result-card__team {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--clr-team);
  text-align: center;
  letter-spacing: 0.02em;
}

.result-card__label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-text-dim);
  margin-bottom: 0.3rem;
}

.result-card__value {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--clr-text);
}

.result-card__value--casual {
  color: var(--clr-casual);
  font-style: italic;
}

.result-card__divider {
  height: 1px;
  background: var(--clr-border);
}

/* ── Bracket ──────────────────────────────────────── */
.bracket {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.bracket__title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--clr-team);
  text-align: center;
}

.bracket__subtitle {
  font-size: 0.85rem;
  color: var(--clr-text-dim);
  margin-top: -0.6rem;
  text-align: center;
}

.bracket__day {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.bracket__day-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-accent);
  padding: 0.35rem 0.8rem;
  background: rgba(255, 107, 53, 0.1);
  border-radius: 8px;
  width: fit-content;
}

.bracket__matchup {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 12px;
  padding: 0.7rem 1rem;
  backdrop-filter: blur(12px);
  transition: border-color 0.2s, transform 0.15s;
}

.bracket__matchup:hover {
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateX(3px);
}

.bracket__team {
  flex: 1;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--clr-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.bracket__team:last-child {
  justify-content: flex-end;
  text-align: right;
}

.seed {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 6px;
  background: rgba(255, 207, 64, 0.15);
  color: var(--clr-team);
  font-size: 0.7rem;
  font-weight: 800;
  flex-shrink: 0;
}

.bracket__vs {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-text-dim);
  flex-shrink: 0;
}

/* ── Hover Tooltip ────────────────────────────────── */
.stats-tooltip {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  background: rgba(11, 14, 26, 0.95);
  border: 1px solid var(--clr-accent);
  padding: 0.8rem;
  border-radius: 12px;
  width: 220px;
  backdrop-filter: blur(8px);
  z-index: 100;
  opacity: 0;
  transform: translate(-50%, -10px);
  transition: opacity 0.2s, transform 0.2s;
  box-shadow: 0 8px 32px var(--clr-accent-glow);
}

.stats-tooltip.visible {
  opacity: 1;
  transform: translate(-50%, 15px);
}

.stats-tooltip h4 {
  margin-bottom: 0.3rem;
  font-size: 0.95rem;
  color: var(--clr-team);
}

.stats-tooltip p {
  font-size: 0.8rem;
  color: var(--clr-text-dim);
  line-height: 1.4;
  margin-bottom: 0.2rem;
}

.stats-tooltip strong {
  color: var(--clr-text);
}

/* ── Footer ───────────────────────────────────────── */
footer {
  margin-top: auto;
  padding-top: 1rem;
}

footer p {
  font-size: 0.8rem;
  color: var(--clr-text-dim);
  text-align: center;
}

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 400px) {
  main {
    padding: 2rem 1rem 1.5rem;
  }

  .pick-btn {
    padding: 0.85rem 1.6rem;
    font-size: 1.05rem;
  }

  .bracket__team {
    font-size: 0.82rem;
  }
}