* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, Arial, sans-serif;
  color: #222;
  background: #f7f7f7;
}

a {
  color: inherit;
  text-decoration: none;
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: #fff;
  border-bottom: 1px solid #e5e5e5;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}

.logo a {
  font-weight: 800;
  font-size: 20px;
}

.nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.nav a {
  padding: 6px 8px;
  border-radius: 8px;
}

.nav a:hover {
  background: #f0f0f0;
}

.btn {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 8px;
  background: #0077ff;
  color: #fff;
  font-weight: 700;
  border: none;
  cursor: pointer;
}

.btn:hover {
  background: #0066d8;
}

.hero {
  text-align: center;
  padding: 40px 16px;
  background: #e9f2ff;
}

.hero h2 {
  margin-top: 0;
}

.hero-note {
  max-width: 600px;
  margin: 8px auto 0;
  color: #444;
}

.concours-main {
  max-width: 1100px;
  margin: 24px auto 32px;
  padding: 0 16px;
}

.coins-card {
  background: #fff;
  border-radius: 10px;
  border: 1px solid #e5e5e5;
  padding: 16px 18px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
  margin-bottom: 20px;
}

.coins-card p {
  margin: 4px 0;
}

.coins-value {
  font-size: 24px;
  font-weight: 800;
}

.coins-value span {
  font-size: 14px;
  font-weight: 600;
  color: #0077ff;
}

.coins-hint {
  font-size: 12px;
  color: #777;
}

.features {
  margin: 0 auto;
}

.features h3 {
  margin: 12px 0;
}

.features-intro {
  margin-top: 0;
  margin-bottom: 12px;
  color: #555;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.card {
  background: #fff;
  border-radius: 10px;
  border: 1px solid #e5e5e5;
  padding: 14px 16px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}

.match-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.match-competition {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: #777;
}

.match-teams {
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}

.match-teams .vs {
  font-size: 12px;
  font-weight: 500;
  color: #777;
}

.match-info {
  font-size: 13px;
  color: #555;
}


.bet-form {
  margin-top: 6px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.odds-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.odds-row label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 6px 8px;
  border-radius: 8px;
  border: 1px solid #e5e5e5;
  background: #f8f8f8;
  cursor: pointer;
}

.odds-row input[type="radio"] {
  accent-color: #0077ff;
}

.odd {
  font-weight: 700;
  color: #0077ff;
}

.bet-row {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
}

.bet-input {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 140px;
}

.bet-input input[type="number"] {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid #ccc;
  font: inherit;
}

.bet-input input[type="number"]:focus {
  outline: none;
  border-color: #0077ff;
  box-shadow: 0 0 0 2px rgba(0,119,255,0.15);
}

.rules {
  margin-top: 16px;
  font-size: 13px;
  color: #555;
}

.footer {
  text-align: center;
  padding: 16px;
  color: #666;
  background: #fff;
  border-top: 1px solid #e5e5e5;
}

@media (max-width: 980px) {
  .grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .bet-row {
    align-items: stretch;
  }

  .bet-form .btn {
    width: 100%;
    text-align: center;
  }
}