/* -------------------------------------
  1. Layout 
-------------------------------------- */
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* -----------------------------------
   2. Interaction Utility 
----------------------------------- */
.interactive {
  cursor: pointer;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast);
}

.interactive:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover-1);
}

.interactive:active,
.interactive.active {
  transform: translateY(0);
  box-shadow: var(--shadow-accent-medium);
}

/* ---------------------------
  3. Hidden
--------------------------- */
.hidden {
  display: none !important;
  pointer-events: none;
}

/* ---------------------------------------------------------
   CURSOR UTILITY
   --------------------------------------------------------- */
.hide-cursor {
  user-select: none;
  outline: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

.cursor-pointer {
  cursor: pointer;
  user-select: none;
  outline: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

/* ---------------------------------------------------------
   ICON BOUNCE ANIMATION UTILITY
   --------------------------------------------------------- */
@keyframes bounce {
  0% {
    transform: scale(1);
  }

  30% {
    transform: scale(1.18);
  }

  50% {
    transform: scale(0.92);
  }

  70% {
    transform: scale(1.06);
  }

  100% {
    transform: scale(1);
  }
}

/* --------------------------------------
   Modal (Coming Soon)
---------------------------------------- */

.ui-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  pointer-events: none;
}

.ui-modal.is-open {
  pointer-events: auto;
}

.ui-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  transition: opacity 220ms ease;
}

.ui-modal.is-open .ui-modal__overlay {
  opacity: 1;
}

.ui-modal__content {
  position: relative;
  max-width: 420px;
  margin: 15vh auto;
  background: var(--ui-color-background-primary);
  border-radius: var(--ui-radius-card);
  padding: 2rem;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0,0,0,.25);

  opacity: 0;
  transform: translateY(12px) scale(0.96);
  transition:
    opacity 220ms ease,
    transform 260ms cubic-bezier(.22, 1, .36, 1);
}

.ui-modal.is-open .ui-modal__content {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.ui-modal__content h3 {
  margin-bottom: 0.5rem;
} 

.ui-modal__form {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.ui-modal__form input {
  font-size: 0.85rem;
  flex: 1;
  padding: 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--ui-color-border);
}

.ui-modal__close {
  position: absolute;
  top: .5rem;
  right: .75rem;
  font-size: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-round);
  padding: 6px;
}

.ui-modal__close.fading {
  opacity: 0;
}

.ui-modal__close:hover {
  color: var(--window-close-fg);
  background-color: var(--window-close-bg);
}

.ui-modal_notify-btn {
  padding: 0.75rem 1.5rem;
  background-color: #353535;
  color: #fff;
}

.ui-modal_notify-btn:hover {
  background-color: #282828;
}