/* ============== VARIABLES & RESET ============== */
:root {
  --bg-main: radial-gradient(circle at top, #162447 0, #050816 55%, #000 100%);
  --accent-gold: #f5c84c;
  --accent-blue: #00b4ff;
  --accent-red: #ff4f4f;
  --accent-green: #35d39d;
  --card-bg: rgba(10, 12, 28, 0.9);
  --card-border: rgba(255, 255, 255, 0.08);
  --text-main: #f5f7ff;
  --text-muted: #a0a4bc;
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.6);
  --radius-lg: 18px;
  --radius-xl: 24px;
  --transition-fast: 0.18s ease-out;
  --transition-slow: 0.35s ease;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
      Roboto, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-main);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
  margin: 0;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ============== LAYOUT GLOBAL ============== */

.worldcup-app {
  max-width: 1400px;
  margin: 24px auto 36px;
  padding: 0 16px 24px;
  width: 100%;
}

/* HEADER */
.wc-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 22px;
}

.wc-header-left {
  flex: 1 1 min(480px, 100%);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.wc-title-block h1 {
  font-size: clamp(2.2rem, 3.2vw, 3.2rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: linear-gradient(120deg, #fff, var(--accent-gold));
  -webkit-background-clip: text;
  color: transparent;
}

.wc-subtitle {
  margin-top: 6px;
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 620px;
}

.wc-badge {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background:
      radial-gradient(circle at top left, rgba(245, 200, 76, 0.28), transparent 60%),
      rgba(10, 12, 28, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-soft);
  font-size: 0.8rem;
  margin-top: 4px;
}

.wc-badge span {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.45);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Image hero à droite */
.wc-hero-visual {
  flex: 0 0 260px;
  max-width: 320px;
  position: relative;
}

.wc-hero-visual::before {
  content: "";
  position: absolute;
  inset: -10%;
  background: radial-gradient(circle at top, rgba(0, 180, 255, 0.28), transparent 60%);
  opacity: 0.7;
  filter: blur(12px);
  z-index: -1;
}

.wc-hero-visual img {
  width: 100%;
  border-radius: 24px;
  object-fit: cover;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

/* ============== PANELS ============== */

.panel {
  margin-top: 18px;
  padding: 18px 16px 20px;
  border-radius: var(--radius-xl);
  background:
      radial-gradient(circle at top left, rgba(0, 180, 255, 0.18), transparent 55%),
      radial-gradient(circle at bottom right, rgba(245, 200, 76, 0.1), transparent 55%),
      rgba(5, 7, 18, 0.92);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(24px);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 16px;
}

.panel-header h2 {
  font-size: 1.4rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.panel-subtitle {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Boutons & erreurs */

.panel-actions {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.btn-primary {
  background: linear-gradient(120deg, var(--accent-blue), var(--accent-gold));
  color: #050816;
  border: none;
  border-radius: 999px;
  padding: 9px 18px;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  cursor: pointer;
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.75);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
      filter var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.9);
}

.error-message {
  color: var(--accent-red);
  font-size: 0.8rem;
}

/* ============== GROUPES (inputs) ============== */

.groups-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.group-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 10px 12px 10px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
      border-color var(--transition-fast);
}

.group-card::before {
  content: "";
  position: absolute;
  inset: -40%;
  background:
      conic-gradient(from 160deg, rgba(0, 180, 255, 0.35), transparent 40%,
      rgba(245, 200, 76, 0.4), transparent 80%);
  opacity: 0;
  transition: opacity var(--transition-slow), transform var(--transition-slow);
  transform: rotate(0deg);
  pointer-events: none;
}

.group-card:hover {
  transform: translateY(-3px) scale(1.01);
  border-color: rgba(245, 200, 76, 0.6);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.85);
}

.group-card:hover::before {
  opacity: 0.9;
  transform: rotate(12deg);
}

.group-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.group-header h3 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.group-badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 2px 8px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* list items */

.group-teams {
  list-style: none;
}

.group-team-row {
  display: grid;
  grid-template-columns: 1.1fr auto;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
}

.group-team-name {
  font-size: 0.9rem;
}

.group-team-select select {
  width: 56px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(0, 0, 0, 0.4);
  color: var(--text-main);
  font-size: 0.8rem;
  padding: 2px 6px;
}

/* Color top border for each group */
[data-group="A"] { border-top: 3px solid #2ecc71; }
[data-group="B"] { border-top: 3px solid #3498db; }
[data-group="C"] { border-top: 3px solid #e67e22; }
[data-group="D"] { border-top: 3px solid #9b59b6; }
[data-group="E"] { border-top: 3px solid #1abc9c; }
[data-group="F"] { border-top: 3px solid #f1c40f; }
[data-group="G"] { border-top: 3px solid #e74c3c; }
[data-group="H"] { border-top: 3px solid #16a085; }
[data-group="I"] { border-top: 3px solid #2980b9; }
[data-group="J"] { border-top: 3px solid #8e44ad; }
[data-group="K"] { border-top: 3px solid #c0392b; }
[data-group="L"] { border-top: 3px solid #27ae60; }

/* ============== MEILLEURS TROISIÈMES ============== */

.thirds-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 10px;
}

.third-card {
  background: rgba(7, 9, 24, 0.95);
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 6px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.85rem;
}

.third-info {
  display: flex;
  flex-direction: column;
}

.third-group {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.third-team {
  font-size: 0.9rem;
}

.third-card input[type="checkbox"] {
  transform: scale(1.2);
}

/* ============== BRACKET / PHASE FINALE ============== */

.knockout-panel {
  margin-top: 22px;
}

.bracket {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.bracket::-webkit-scrollbar {
  height: 8px;
}
.bracket::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 999px;
}
.bracket::-webkit-scrollbar-thumb {
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-gold));
  border-radius: 999px;
}

.round {
  min-width: 220px;
  background: rgba(8, 10, 28, 0.96);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 10px 10px 8px;
}

.round-title {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  margin-bottom: 8px;
  color: var(--accent-blue);
}

.round-matches {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Match interactif */

.match {
  background: rgba(0, 0, 0, 0.38);
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 6px 8px;
  font-size: 0.78rem;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.match-label {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.65rem;
  color: var(--text-muted);
}

.match-team {
  margin-top: 2px;
  border-radius: 999px;
  padding: 3px 7px;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast),
      border-color var(--transition-fast);
  border: 1px solid transparent;
}

.match-team span {
  font-size: 0.8rem;
}

/* état sélectionné */
.match-team.selected {
  background: linear-gradient(120deg, var(--accent-green), var(--accent-blue));
  color: #050816;
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-1px);
}

/* état vide */
.match-team.empty {
  opacity: 0.5;
  cursor: default;
}

/* Finale */
.round.final .round-title {
  color: var(--accent-gold);
}

.round.final .match {
  border-color: rgba(245, 200, 76, 0.7);
}

/* ============== CLIP VIDÉO (PETIT EN BAS) ============== */

.video-panel {
  margin-top: 20px;
  max-width: 420px;
  padding: 14px 14px 16px;
  margin-left: auto;
  margin-right: auto;
}

.video-panel .panel-header {
  margin-bottom: 8px;
}

.video-panel .panel-header h2 {
  font-size: 1rem;
}

.video-panel .panel-subtitle {
  font-size: 0.78rem;
}

.video-wrapper {
  position: relative;
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
  padding-top: 56.25%; /* 16:9 */
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.7);
}

.video-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* ============== HOW TO + FAQ ============== */

.howto-list {
  margin-left: 1.2rem;
  color: var(--text-main);
  font-size: 0.9rem;
  line-height: 1.6;
}

.howto-list li + li {
  margin-top: 6px;
}

.faq-panel details {
  margin-bottom: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.faq-panel summary {
  cursor: pointer;
  font-size: 0.9rem;
}

.faq-panel p {
  margin-top: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* FOOTER */
.wc-footer {
  margin-top: 22px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.wc-footer-small {
  margin-top: 4px;
}

/* ============== RESPONSIVE ============== */

/* 1) Tablette / petits laptops */
@media (max-width: 1024px) {
  .worldcup-app {
    margin-top: 18px;
    padding-inline: 14px;
  }

  .wc-header {
    align-items: flex-start;
  }

  .wc-hero-visual {
    flex: 0 0 240px;
    max-width: 260px;
  }

  .wc-title-block h1 {
    font-size: clamp(2rem, 4vw, 2.6rem);
  }
}

/* 2) Mobile large */
@media (max-width: 768px) {
  .worldcup-app {
    margin-top: 16px;
    padding-inline: 10px;
  }

  .wc-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .wc-hero-visual {
    align-self: center;
    max-width: 220px;
    flex: 0 0 auto;
  }

  .wc-subtitle {
    font-size: 0.9rem;
  }

  .wc-badge {
    width: 100%;
    justify-content: flex-start;
  }

  .panel {
    padding: 16px 14px 18px;
  }

  .panel-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .panel-header h2 {
    font-size: 1.2rem;
    letter-spacing: 0.12em;
  }

  .panel-subtitle {
    font-size: 0.8rem;
  }

  .groups-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .group-card {
    padding: 8px 9px;
  }

  .group-header h3 {
    font-size: 0.9rem;
  }

  .group-team-name {
    font-size: 0.85rem;
  }

  .round {
    min-width: 200px;
  }

  .video-panel {
    max-width: 100%;
  }

  .video-wrapper {
    max-width: 100%;
  }
}

/* 3) Mobile très petit / portrait serré */
@media (max-width: 480px) {
  .worldcup-app {
    padding-inline: 8px;
    margin-top: 12px;
  }

  .wc-title-block h1 {
    font-size: 1.7rem;
    letter-spacing: 0.06em;
  }

  .wc-subtitle {
    font-size: 0.85rem;
  }

  .panel {
    padding: 14px 10px 16px;
  }

  .panel-header h2 {
    font-size: 1.05rem;
    letter-spacing: 0.1em;
  }

  .panel-subtitle {
    font-size: 0.78rem;
  }

  .groups-grid {
    grid-template-columns: 1fr;
  }

  .group-team-row {
    grid-template-columns: 1fr auto;
  }

  .thirds-grid {
    grid-template-columns: 1fr;
  }

  .third-card {
    font-size: 0.82rem;
  }

  .bracket {
    gap: 12px;
  }

  .round {
    min-width: 185px;
    padding: 8px 8px 6px;
  }

  .match {
    font-size: 0.74rem;
  }

  .match-label {
    font-size: 0.6rem;
  }

  .howto-list {
    margin-left: 1rem;
    font-size: 0.86rem;
  }

  .faq-panel summary {
    font-size: 0.86rem;
  }

  .faq-panel p {
    font-size: 0.8rem;
  }

  .video-panel {
    padding-inline: 10px;
  }
}
/* === FLAGS GROUPES & TABLEAU === */
.group-team-meta {
  display: flex;
  align-items: center;
  gap: 6px;
}

.group-team-flag img {
  width: 20px;
  height: 14px;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: 0 0 4px rgba(0,0,0,0.6);
}

/* On garde le grid existant mais on assouplit un peu */
.group-team-row {
  grid-template-columns: minmax(0, 1fr) auto;
}

/* Bracket : drapeau + nom sur une ligne */
.match-team {
  display: flex;
  align-items: center;
}

.match-team-content {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
}

.match-team-flag img {
  width: 18px;
  height: 12px;
  object-fit: cover;
  border-radius: 2px;
}

.match-team-name {
  font-size: 0.8rem;
}