/* transitions.css — Transitions entre étapes */

/* Fondu entrant */
@keyframes fade-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Fondu sortant */
@keyframes fade-out {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(-8px); }
}

/* Glissement vers le haut */
@keyframes slide-up {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Apparition douce */
@keyframes bloom {
  0%   { opacity: 0; transform: scale(0.92); }
  60%  { opacity: 1; transform: scale(1.02); }
  100% { opacity: 1; transform: scale(1); }
}

/* Tremblement doux (échec) */
@keyframes gentle-shake {
  0%, 100% { transform: translateX(0); }
  20%  { transform: translateX(-4px); }
  40%  { transform: translateX(4px); }
  60%  { transform: translateX(-3px); }
  80%  { transform: translateX(3px); }
}

/* Ondulation de validation */
@keyframes validate-ring {
  0%   { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(2.5); opacity: 0; }
}

/* ─── Module entrant ─── */
#module-content {
  animation: fade-in var(--duration-slow) var(--ease-out) both;
}

#module-content.leaving {
  animation: fade-out var(--duration-base) var(--ease-in-out) both;
}

/* ─── Overlay de célébration ─── */
#koi-celebration {
  position: fixed;
  inset: 0;
  z-index: var(--z-celebration);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 26, 20, 0);
  pointer-events: none;
  transition: background var(--duration-slow) var(--ease-out);
}

#koi-celebration.active {
  background: rgba(26, 26, 20, 0.85);
  pointer-events: auto;
}

.celebration-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  opacity: 0;
  transform: scale(0.8) translateY(20px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-spring);
}

#koi-celebration.active .celebration-inner {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.celebration-koi-wrap {
  width: 120px;
  height: 120px;
  position: relative;
}

.celebration-koi-wrap::before {
  content: '';
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  border: 1px solid var(--color-gold);
  animation: validate-ring 1.5s ease-out infinite;
}

.celebration-koi-svg {
  width: 100%;
  height: 100%;
}

.celebration-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  text-transform: uppercase;
}

.celebration-msg {
  font-size: var(--text-sm);
  color: var(--color-washi);
  opacity: 0.8;
  text-align: center;
  max-width: 280px;
  line-height: 1.7;
}

/* ─── Message toast ─── */
.message-toast {
  padding: var(--space-3) var(--space-6);
  background: rgba(26, 26, 20, 0.9);
  border: 1px solid rgba(201, 165, 90, 0.2);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: var(--text-sm);
  color: var(--color-washi);
  letter-spacing: 0.04em;
  text-align: center;
  pointer-events: auto;
  animation: slide-up var(--duration-base) var(--ease-out) both;
  box-shadow: var(--shadow-md);
}

.message-toast.success {
  border-color: rgba(74, 124, 89, 0.4);
  color: var(--color-jade-light);
}

.message-toast.error {
  border-color: rgba(200, 75, 47, 0.4);
  color: var(--color-sakura);
}

.message-toast.info {
  border-color: rgba(201, 165, 90, 0.3);
  color: var(--color-gold-light);
}

.message-toast.dismissing {
  animation: fade-out var(--duration-base) var(--ease-in-out) both;
}