/* ==========================================================================
   TEACHER LUPI — COMPONENT LIBRARY
   Reusable Neo-Brutalist components
   ========================================================================== */

/* NEO CARD */
.neo-card {
  background: var(--color-card);
  border: var(--neo-border-heavy);
  box-shadow: var(--neo-shadow-md);
  padding: var(--space-6);
  transition: var(--transition-bounce);
  position: relative;
}
.neo-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--neo-shadow-lg);
}
.neo-card:active {
  transform: translate(2px, 2px);
  box-shadow: var(--neo-shadow-xs);
}
.neo-card--flat { box-shadow: none; }
.neo-card--flat:hover { box-shadow: var(--neo-shadow-md); }
.neo-card--highlight {
  background: var(--color-ink);
  color: var(--color-surface);
}
.neo-card--highlight h3,
.neo-card--highlight p,
.neo-card--highlight .neo-card__price { color: var(--color-surface); }

/* NEO BUTTON */
.neo-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border: var(--neo-border);
  background: var(--color-card);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  box-shadow: var(--neo-shadow-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
}
.neo-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--neo-shadow-md);
}
.neo-btn:active {
  transform: translate(4px, 4px);
  box-shadow: none;
}
.neo-btn:focus-visible {
  outline: 4px solid var(--color-accent);
  outline-offset: 3px;
}
.neo-btn--primary { background: var(--color-primary); color: #fff; }
.neo-btn--primary:hover { background: var(--color-primary-hover); color: #fff; }
.neo-btn--accent { background: var(--color-accent); color: var(--color-ink); }
.neo-btn--ghost { background: transparent; }
.neo-btn--ghost:hover { background: var(--color-ink); color: var(--color-surface); }
.neo-btn--lg { padding: var(--space-4) var(--space-8); font-size: var(--text-2xl); }
.neo-btn--sm { padding: var(--space-2) var(--space-4); font-size: var(--text-lg); }
.neo-btn--full { width: 100%; }
.neo-btn--plan { background: var(--color-muted); color: var(--color-ink); }
.neo-btn--plan:hover { background: var(--color-muted-dark); }
.neo-btn svg { width: 20px; height: 20px; flex-shrink: 0; }

/* NEO BADGE */
.neo-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-muted);
  border: var(--neo-border-heavy);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  text-transform: uppercase;
  color: var(--color-ink);
  width: fit-content;
  line-height: 1;
}
.neo-badge svg { width: 22px; height: 22px; }
.neo-badge--primary { background: var(--color-primary); color: #fff; }
.neo-badge--accent { background: var(--color-accent); }
.neo-badge--floating {
  position: absolute;
  top: calc(-1 * var(--space-5));
  left: var(--space-4);
  z-index: 3;
  font-size: var(--text-xl);
  box-shadow: var(--neo-shadow-sm);
}

/* NEO ICON BOX */
.neo-icon-box {
  width: 52px; height: 52px; min-width: 52px;
  border: var(--neo-border);
  background: var(--color-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--neo-shadow-xs);
  transition: var(--transition-bounce);
}
.neo-icon-box svg { width: 28px; height: 28px; color: var(--color-ink); }

/* NEO MARQUEE */
.neo-marquee { position: relative; width: 100%; overflow: hidden; z-index: var(--z-cards); }
.neo-marquee__track {
  background: var(--color-accent);
  color: var(--color-ink);
  border-top: 4px solid var(--color-ink);
  border-bottom: 4px solid var(--color-ink);
  padding: var(--space-3) 0;
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 700;
  white-space: nowrap;
  display: flex;
  box-shadow: 0 6px 0 rgba(0,0,0,0.8);
}
.neo-marquee__content {
  display: inline-flex;
  padding-right: var(--space-10);
  animation: marquee-scroll 20s linear infinite;
}
.neo-marquee:hover .neo-marquee__content { animation-play-state: paused; }
.neo-marquee--tilted { transform: rotate(-1.5deg) scale(1.05); }

/* NEO ACCORDION */
.neo-accordion { display: flex; flex-direction: column; gap: var(--space-3); }
.neo-accordion__item {
  border: var(--neo-border-heavy);
  background: var(--color-card);
  box-shadow: var(--neo-shadow-sm);
}
.neo-accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  text-transform: uppercase;
  text-align: left;
  cursor: pointer;
  background: transparent;
  border: none;
  color: var(--color-ink);
  transition: var(--transition-fast);
  gap: var(--space-4);
}
.neo-accordion__trigger:hover { background: var(--color-primary-soft); }
.neo-accordion__icon {
  width: 32px; height: 32px; min-width: 32px;
  border: var(--neo-border);
  background: var(--color-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  font-weight: bold;
  transition: var(--transition-normal);
  font-family: var(--font-display);
}
.neo-accordion__item.is-open .neo-accordion__icon {
  transform: rotate(45deg);
  background: var(--color-primary);
  color: #fff;
}
.neo-accordion__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-smooth),
              padding var(--duration-slow) var(--ease-smooth);
  padding: 0 var(--space-6);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
}
.neo-accordion__item.is-open .neo-accordion__content {
  max-height: 300px;
  padding: 0 var(--space-6) var(--space-6);
}

/* NEO TOAST */
.neo-toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  pointer-events: none;
}
.neo-toast {
  background: var(--color-ink);
  color: var(--color-surface);
  border: var(--neo-border-heavy);
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  text-transform: uppercase;
  box-shadow: var(--neo-shadow-md);
  pointer-events: auto;
  animation: toast-in var(--duration-slow) var(--ease-bounce) forwards,
             toast-out var(--duration-slow) var(--ease-smooth) 2.5s forwards;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.neo-toast svg { width: 20px; height: 20px; flex-shrink: 0; }

/* NEO MODAL */
.neo-modal-overlay {
  position: fixed; inset: 0;
  background: var(--color-overlay);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  opacity: 0; visibility: hidden;
  transition: all var(--duration-slow) ease;
}
.neo-modal-overlay.is-active { opacity: 1; visibility: visible; }
.neo-modal {
  background: var(--color-surface);
  border: var(--neo-border-heavy);
  padding: var(--space-10);
  max-width: 500px; width: 100%;
  text-align: center;
  box-shadow: 15px 15px 0 var(--color-primary);
  transform: translateY(40px) scale(0.9);
  transition: all var(--duration-slow) var(--ease-bounce);
  position: relative;
}
.neo-modal-overlay.is-active .neo-modal { transform: translateY(0) scale(1); }
.neo-modal__close {
  position: absolute;
  top: calc(-1 * var(--space-5));
  right: calc(-1 * var(--space-5));
  width: 48px; height: 48px;
  background: var(--color-primary);
  color: #fff;
  border: var(--neo-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--neo-shadow-sm);
  transition: var(--transition-normal);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
}
.neo-modal__close:hover { transform: scale(1.1) rotate(90deg); }
.neo-modal__icon { font-size: 3rem; margin-bottom: var(--space-4); }
.neo-modal__title { font-size: var(--text-3xl); margin-bottom: var(--space-4); }
.neo-modal__text { margin-bottom: var(--space-6); line-height: var(--leading-normal); }

/* NEO PROGRESS */
.neo-progress {
  width: 100%; height: 12px;
  background: var(--color-surface-alt);
  border: 2px solid var(--color-ink);
  overflow: hidden;
}
.neo-progress__fill {
  height: 100%;
  background: var(--color-primary);
  width: 0%;
  transition: width 1.8s linear;
}

/* NEO DIVIDER */
.neo-divider { display: flex; align-items: center; width: 100%; }
.neo-divider__line { flex: 1; height: 4px; background: var(--color-ink); }
.neo-divider__tag {
  background: var(--color-ink);
  color: var(--color-surface);
  padding: var(--space-2) var(--space-5);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  border: var(--neo-border);
  box-shadow: var(--neo-shadow-sm);
  text-transform: uppercase;
  white-space: nowrap;
  margin: 0 var(--space-4);
  letter-spacing: var(--tracking-wide);
}

/* NEO CHECKBOX */
.neo-checkbox {
  width: 42px; height: 42px; min-width: 42px;
  border: 4px solid var(--color-ink);
  background: var(--color-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  box-shadow: var(--neo-shadow-sm);
  font-family: var(--font-display);
}

/* THEME TOGGLE */
.neo-theme-toggle {
  width: 44px; height: 44px;
  background: var(--color-card);
  border: var(--neo-border);
  box-shadow: var(--neo-shadow-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-bounce);
}
.neo-theme-toggle:hover { transform: translate(-2px, -2px); box-shadow: var(--neo-shadow-sm); }
.neo-theme-toggle:active { transform: translate(2px, 2px); box-shadow: none; }
.neo-theme-toggle svg { width: 22px; height: 22px; }
.neo-theme-toggle .icon-sun  { display: none; }
.neo-theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .neo-theme-toggle .icon-sun  { display: block; }
[data-theme="dark"] .neo-theme-toggle .icon-moon { display: none; }

@media (max-width: 768px) {
  .neo-theme-toggle { width: 38px; height: 38px; }
  .neo-theme-toggle svg { width: 18px; height: 18px; }
}


/* SCROLL PROGRESS */
.scroll-progress {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 4px;
  z-index: calc(var(--z-header) + 1);
  pointer-events: none;
}
.scroll-progress__fill {
  height: 100%;
  background: var(--color-primary);
  width: 0%;
  transition: width 50ms linear;
}