/* ============================================================================
 * BOTTOM NAV — Liseré multi-couleur uniquement sur le HAUT, sur toute la longueur
 * ============================================================================ */

.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 100;
  min-height: calc(var(--bottom-nav-h) + var(--safe-bottom));
  padding: 6px 4px calc(6px + var(--safe-bottom));
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;

  /* Bleu nuit profond — s'adapte aux thèmes via --nav-bg */
  background: var(--nav-bg);
  border-radius: 0;
  border: none;
  box-shadow: 0 -16px 40px rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
}

/* Liseré multi-couleur UNIQUEMENT en haut, sur TOUTE la longueur */
.bottom-nav::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1.5px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--nav-glow-1) 12%,
    var(--nav-glow-2) 45%,
    var(--nav-glow-3) 70%,
    var(--nav-glow-1) 90%,
    transparent 100%);
}

/* Halo lumineux qui déborde au-dessus de la nav, toute la largeur */
.bottom-nav::after {
  content: "";
  position: absolute;
  top: -22px;
  left: 0;
  right: 0;
  height: 22px;
  background: linear-gradient(180deg,
    transparent 0%,
    rgba(167, 139, 250, 0.12) 30%,
    rgba(77, 151, 255, 0.22) 60%,
    rgba(34, 211, 238, 0.18) 100%);
  filter: blur(8px);
  pointer-events: none;
}

/* Nav item */
.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  border-radius: 14px;
  padding: 6px 2px;
  color: var(--text-muted);
  position: relative;
  transition: color var(--duration-base) var(--ease-out),
              background var(--duration-base) var(--ease-out);
}

.nav-item:active {
  background: rgba(255, 255, 255, 0.06);
}

/* Icônes plus grosses */
.nav-ico {
  width: 32px;
  height: 32px;
  position: relative;
  display: grid;
  place-items: center;
}

.nav-ico svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 3px rgba(255, 255, 255, 0.18));
}

.nav-label {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* Item actif */
.nav-item.active {
  color: #fff;
}

.nav-item.active .nav-ico svg {
  filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.6))
          drop-shadow(0 0 14px var(--accent-glow));
}

/* Bouton Accueil — centre, plus grand, surélevé */
.nav-item.center {
  background: rgba(20, 40, 80, 0.55);
  border: 1px solid rgba(120, 160, 220, 0.35);
  margin: -8px 4px 2px;
  padding: 10px 4px 6px;
  border-radius: 18px;
}

.nav-item.center .nav-ico {
  width: 34px;
  height: 34px;
}

.nav-item.center.active {
  background: linear-gradient(160deg, rgba(40, 80, 160, 0.7), rgba(20, 50, 110, 0.6));
  box-shadow: 0 0 28px rgba(77, 151, 255, 0.5);
}

/* ════════════════════════════════════════════════════════════════
 * WEEK BAR — 5 jours Lun-Ven, attachée juste au-dessus de la nav
 * ════════════════════════════════════════════════════════════════ */
.week-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: calc(var(--bottom-nav-h) + var(--safe-bottom));
  z-index: 99;
  padding: 0 var(--app-padding-x);
  display: flex;
  justify-content: center;
  pointer-events: none;
  transform: translateY(110%);
  opacity: 0;
  transition: transform var(--duration-momentum) var(--ease-momentum),
              opacity var(--duration-momentum) var(--ease-momentum);
}

.week-bar.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.week-bar-inner {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  width: 100%;
  max-width: var(--app-max);
  margin: 0 auto;
  padding: 14px 12px;
  background: rgba(8, 18, 38, 0.94);
  border: 1px solid var(--card-stroke-strong);
  border-radius: 20px 20px 0 0;
  backdrop-filter: blur(28px) saturate(150%);
  -webkit-backdrop-filter: blur(28px) saturate(150%);
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.5);
}

.day-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 4px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--duration-base) var(--ease-out);
}

.day-cell:active {
  transform: scale(0.94);
  background: rgba(255, 255, 255, 0.1);
}

.day-cell.today {
  background: rgba(77, 151, 255, 0.22);
  border-color: rgba(77, 151, 255, 0.55);
  box-shadow: 0 0 18px rgba(77, 151, 255, 0.4);
}

.day-cell-name {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.day-cell-num {
  font-size: 1.2rem;
  font-weight: 900;
  margin-top: 2px;
}

.day-cell-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--success);
  margin-top: 5px;
}

.day-cell.empty .day-cell-dot {
  background: var(--text-dim);
}