html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: radial-gradient(circle at 50% 0%, #16202b 0%, #0a0e14 70%);
}

#page {
  position: relative;
  display: flex;
  height: 100vh;
  width: 100vw;
}

#globe-heading {
  position: absolute;
  top: 28px;
  left: 28px;
  max-width: min(46%, 480px);
  pointer-events: none;
  z-index: 5;
}

#globe-heading[hidden] {
  display: none;
}

#globe-heading-title {
  margin: 0;
  color: #e6ebf0;
  font: 700 28px/1.25 system-ui, sans-serif;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
}

#globe-heading-subtitle {
  margin: 8px 0 0;
  color: rgba(230, 235, 240, 0.85);
  font: 500 15px/1.4 system-ui, sans-serif;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
}

#flags-scroll {
  flex: 1 1 auto;
  min-width: 0;
  height: 100%;
  overflow-y: auto;
}

#top-panel {
  flex: 0 0 320px;
  width: 320px;
  height: 100%;
  box-sizing: border-box;
  overflow-y: auto;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: rgba(8, 11, 16, 0.85);
  border-left: 1px solid rgba(255, 255, 255, 0.06);
}

#top-controls {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

#brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

#brand {
  font: 700 20px/1 system-ui, sans-serif;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  margin-right: 0.2em;
}

#lang-switcher {
  position: relative;
  flex: 0 0 auto;
}

#lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font: 600 12px/1 system-ui, sans-serif;
  color: #e6ebf0;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 5px 10px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

#lang-toggle:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.22);
}

#lang-toggle img {
  width: 18px;
  height: 12px;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.15);
  display: block;
}

#lang-toggle .bi-chevron-down {
  font-size: 9px;
  color: #98a2ae;
  margin-left: 1px;
  transition: transform 0.2s ease;
}

#lang-toggle[aria-expanded="true"] .bi-chevron-down {
  transform: rotate(180deg);
}

#lang-list {
  list-style: none;
  margin: 0;
  padding: 6px;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 112px;
  background: rgba(12, 16, 22, 0.97);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  z-index: 20;
}

#lang-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font: 600 12px/1 system-ui, sans-serif;
  color: #e6ebf0;
  padding: 8px 9px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
}

#lang-list li img {
  width: 18px;
  height: 12px;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.15);
  display: block;
}

#lang-list li:hover {
  background: rgba(255, 255, 255, 0.08);
}

#lang-list li[aria-selected="true"] {
  background: rgba(79, 195, 247, 0.15);
  color: #4fc3f7;
}

.brand-globe {
  color: #4fc3f7;
  margin-right: 0.2em;
}

.brand-trip {
  color: #ffcf3f;
}

#controls-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 0.4em;
}

#flags-count {
  font: 600 12px/1 system-ui, sans-serif;
  color: #98a2ae;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 5px 10px;
  white-space: nowrap;
}

#shape-switcher {
  display: flex;
  gap: 3px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 3px;
}

.shape-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: #98a2ae;
  font-size: 12px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.shape-btn:hover {
  color: #e6ebf0;
}

.shape-btn.active {
  background: rgba(79, 195, 247, 0.18);
  color: #4fc3f7;
}

#download-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 100%;
  margin-top: auto;
  padding-top: 2em;
}

.download-text {
  margin: 0;
  text-align: center;
  color: rgba(230, 235, 240, 0.85);
  font: 13px/1.5 system-ui, sans-serif;
}

.store-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(10, 14, 20, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 8px 12px;
  color: #e6ebf0;
  text-decoration: none;
  backdrop-filter: blur(6px);
  transition: background 0.2s, border-color 0.2s, transform 0.2s ease;
}

.store-btn i {
  font-size: 1.2rem;
  color: #4fc3f7;
}

.store-btn:hover {
  background: rgba(10, 14, 20, 0.75);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.store-sub {
  font-size: 0.6rem;
  color: #98a2ae;
  line-height: 1;
}

.store-name {
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.3;
  margin-top: 1px;
}

.store-btn-disabled {
  opacity: 0.5;
  cursor: default;
  pointer-events: none;
}

@media (max-width: 700px) {
  #page {
    flex-direction: column;
  }

  #flags-scroll {
    flex: 1 1 auto;
  }

  #top-panel {
    flex: 0 0 auto;
    width: 100%;
    height: auto;
    max-height: 45vh;
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
  }

  #globe-heading {
    top: 16px;
    left: 16px;
    max-width: calc(100% - 32px);
  }

  #globe-heading-title {
    font-size: 20px;
  }

  #globe-heading-subtitle {
    font-size: 13px;
  }

  #flags-title {
    margin: 20px 16px 2px;
    font-size: 19px;
  }
}

#flags-title {
  margin: 32px 24px 4px;
  color: #e6ebf0;
  font: 800 26px/1.2 system-ui, sans-serif;
  letter-spacing: 0.04em;
  text-align: center;
}

#flags-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 22px 18px;
  padding: 12px 24px 48px;
}

.flag-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.flag-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  border-radius: 10px;
  overflow: hidden;
  background: #1a232e;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  transition: transform 0.15s, box-shadow 0.15s;
}

.flag-card:hover .flag-frame {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.45);
}

.flag-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.flag-shine {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent 60%);
  pointer-events: none;
}

.flag-code {
  font: 700 12px/1 system-ui, sans-serif;
  letter-spacing: 0.05em;
  color: #e6ebf0;
}

.flag-name {
  font: 11px/1.2 system-ui, sans-serif;
  color: #98a2ae;
  text-align: center;
}

/* Mode "rond" (badge/pin) — cf. #shape-switcher : mêmes cartes, le drapeau
   est juste recadré en cercle avec un liseré métallique façon pin's. */
#flags-grid.flags-grid--round .flag-frame {
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.9);
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.3),
    0 6px 14px rgba(0, 0, 0, 0.45);
}

#flags-grid.flags-grid--round .flag-frame img {
  border-radius: 50%;
}

#flags-grid.flags-grid--round .flag-shine {
  border-radius: 50%;
  background: radial-gradient(circle at 30% 26%, rgba(255, 255, 255, 0.65), transparent 45%);
}