/* ==========================================================
   MoreTech Overlay Module – v4.0 (Multi-Type / Animated)
   Product: MoreTech BMP360
   ──────────────────────────────────────────────────────────
   Types:    modal · banner · slidein
   Anims:    fade · scale · slideUp/Down · slideLeft/Right · bounce
   Tokens:   uses 00-tokens.css variables throughout
   z-index:  var(--mt-z-modal, 9000) — above header, below toast
   ========================================================== */


/* ==========================================================
   §0  BODY SCROLL LOCK (when modal is open)
   ========================================================== */
body.mt-overlay-lock {
  overflow: hidden !important;
}


/* ==========================================================
   §1  BASE WRAPPER (shared by all types)
   ========================================================== */
.mt-overlay {
  position: fixed;
  z-index: var(--mt-z-modal, 9000);
  font-family: var(--mt-font-sans, 'Poppins', system-ui, sans-serif);
  line-height: var(--mt-leading-normal, 1.6);
  color: var(--mt-text-body, #334155);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}


/* ==========================================================
   §2  MODAL WRAPPER
   ========================================================== */
.mt-overlay--modal {
  inset: 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--mt-duration-normal, 0.25s) var(--mt-ease-default, ease);
}

.mt-overlay--modal.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.mt-overlay--modal.is-closing {
  opacity: 0;
  pointer-events: none;
}


/* ==========================================================
   §3  BACKDROP (modal only)
   ========================================================== */
.mt-overlay__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.55);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  cursor: pointer;
}


/* ==========================================================
   §4  DIALOG — MODAL
   ========================================================== */
.mt-overlay__dialog--modal {
  position: relative;
  margin-top: 10vh;
  max-width: 500px;
  width: calc(100% - 32px);
  background: var(--mt-surface-raised, #ffffff);
  border-radius: var(--mt-radius-lg, 16px);
  padding: var(--mt-space-8, 32px) var(--mt-space-6, 24px);
  box-shadow: var(--mt-shadow-xl, 0 20px 50px rgba(0, 0, 0, 0.12));
  text-align: center;
  outline: none;
}


/* ==========================================================
   §5  DIALOG — BANNER (top)
   ========================================================== */
.mt-overlay--banner {
  top: 0;
  left: 0;
  right: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--mt-duration-normal, 0.25s) var(--mt-ease-default, ease);
}

.mt-overlay--banner.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.mt-overlay--banner.is-closing {
  opacity: 0;
  pointer-events: none;
}

.mt-overlay__dialog--banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--mt-space-4, 16px);
  flex-wrap: wrap;
  width: 100%;
  padding: var(--mt-space-4, 16px) var(--mt-space-6, 24px);
  background: var(--mt-gradient-primary, linear-gradient(135deg, #E05A1A, #F06B2A));
  color: var(--mt-text-inverse, #ffffff);
  box-shadow: var(--mt-shadow-md, 0 4px 14px rgba(0, 0, 0, 0.08));
  outline: none;
}

.mt-overlay__dialog--banner .mt-overlay__body {
  flex: 1 1 auto;
  text-align: center;
}

.mt-overlay__dialog--banner .mt-overlay__body p,
.mt-overlay__dialog--banner .mt-overlay__body h2,
.mt-overlay__dialog--banner .mt-overlay__body h3,
.mt-overlay__dialog--banner .mt-overlay__body h4 {
  color: var(--mt-text-inverse, #ffffff);
  margin: 0;
}

.mt-overlay__dialog--banner .mt-overlay__body p {
  font-size: var(--mt-text-sm, 0.82rem);
  opacity: 0.95;
}


/* ==========================================================
   §6  DIALOG — SLIDE-IN (bottom-right)
   ========================================================== */
.mt-overlay--slidein {
  bottom: var(--mt-space-6, 24px);
  right: var(--mt-space-6, 24px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--mt-duration-normal, 0.25s) var(--mt-ease-default, ease);
}

.mt-overlay--slidein.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.mt-overlay--slidein.is-closing {
  opacity: 0;
  pointer-events: none;
}

.mt-overlay__dialog--slidein {
  position: relative;
  width: 380px;
  max-width: calc(100vw - 32px);
  background: var(--mt-surface-raised, #ffffff);
  border-radius: var(--mt-radius-lg, 16px);
  padding: var(--mt-space-6, 24px);
  box-shadow: var(--mt-shadow-xl, 0 20px 50px rgba(0, 0, 0, 0.12));
  border: 1px solid var(--mt-border-light, #e2e8f0);
  outline: none;
}


/* ==========================================================
   §7  CLOSE BUTTON
   ========================================================== */
.mt-overlay__close {
  position: absolute;
  top: var(--mt-space-3, 12px);
  right: var(--mt-space-4, 16px);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--mt-radius-sm, 6px);
  font-size: 1.4rem;
  line-height: 1;
  color: var(--mt-text-muted, #64748b);
  cursor: pointer;
  transition: color var(--mt-duration-fast, 0.15s), background var(--mt-duration-fast, 0.15s);
  z-index: 2;
}

.mt-overlay__close:hover {
  color: var(--mt-text-heading, #0f172a);
  background: var(--mt-surface-subtle, #f1f5f9);
}

.mt-overlay__close:focus-visible {
  outline: 2px solid var(--mt-border-focus, rgba(224, 90, 26, 0.4));
  outline-offset: 2px;
}

/* Banner close — white on gradient */
.mt-overlay__close--banner {
  position: relative;
  top: auto;
  right: auto;
  color: rgba(255, 255, 255, 0.8);
  flex-shrink: 0;
}

.mt-overlay__close--banner:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.15);
}


/* ==========================================================
   §8  BODY CONTENT
   ========================================================== */
.mt-overlay__body {
  word-break: break-word;
}

.mt-overlay__body h2,
.mt-overlay__body h3,
.mt-overlay__body h4 {
  margin: 0 0 var(--mt-space-3, 12px) 0;
  font-weight: var(--mt-weight-bold, 700);
  color: var(--mt-text-heading, #0f172a);
  line-height: var(--mt-leading-snug, 1.3);
}

.mt-overlay__body h2 { font-size: var(--mt-text-xl, 1.45rem); }
.mt-overlay__body h3 { font-size: var(--mt-text-lg, 1.2rem); }
.mt-overlay__body h4 { font-size: var(--mt-text-md, 1.05rem); }

.mt-overlay__body p {
  margin: 0 0 var(--mt-space-3, 12px) 0;
  font-size: var(--mt-text-base, 1rem);
  line-height: var(--mt-leading-normal, 1.6);
  color: var(--mt-text-body, #334155);
}

.mt-overlay__body p:last-child {
  margin-bottom: 0;
}

.mt-overlay__body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--mt-radius-md, 10px);
  margin: var(--mt-space-3, 12px) 0;
  display: block;
}

.mt-overlay__body ul,
.mt-overlay__body ol {
  margin: 0 0 var(--mt-space-3, 12px) var(--mt-space-5, 20px);
  padding: 0;
  text-align: left;
}

.mt-overlay__body li {
  margin-bottom: var(--mt-space-1, 4px);
  font-size: var(--mt-text-sm, 0.82rem);
  color: var(--mt-text-body, #334155);
}


/* ==========================================================
   §9  CTA BUTTON
   ========================================================== */
.mt-overlay__actions {
  margin-top: var(--mt-space-5, 20px);
}

.mt-overlay__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--mt-space-2, 8px);
  padding: var(--mt-space-3, 12px) var(--mt-space-8, 32px);
  background: var(--mt-brand-primary, #E05A1A);
  color: var(--mt-text-inverse, #ffffff);
  font-family: inherit;
  font-size: var(--mt-text-sm, 0.82rem);
  font-weight: var(--mt-weight-semibold, 600);
  letter-spacing: var(--mt-tracking-wide, 0.04em);
  text-decoration: none;
  border: none;
  border-radius: var(--mt-radius-md, 10px);
  cursor: pointer;
  transition:
    background var(--mt-duration-fast, 0.15s) var(--mt-ease-default, ease),
    transform var(--mt-duration-fast, 0.15s) var(--mt-ease-default, ease),
    box-shadow var(--mt-duration-fast, 0.15s) var(--mt-ease-default, ease);
}

.mt-overlay__cta:hover {
  background: var(--mt-brand-primary-hover, #C84F16);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(224, 90, 26, 0.25);
  color: var(--mt-text-inverse, #ffffff);
  text-decoration: none;
}

.mt-overlay__cta:active {
  background: var(--mt-brand-primary-active, #AF4312);
  transform: translateY(0);
  box-shadow: none;
}

.mt-overlay__cta:focus-visible {
  outline: 2px solid var(--mt-border-focus, rgba(224, 90, 26, 0.4));
  outline-offset: 2px;
}

/* Banner CTA variant — outlined on gradient */
.mt-overlay__cta--banner {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: var(--mt-space-2, 8px) var(--mt-space-5, 20px);
  border-radius: var(--mt-radius-sm, 6px);
  font-size: var(--mt-text-xs, 0.72rem);
  flex-shrink: 0;
}

.mt-overlay__cta--banner:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.6);
  box-shadow: none;
  transform: none;
}


/* ==========================================================
   §10  "DON'T SHOW AGAIN" CHECKBOX
   ========================================================== */
.mt-overlay__dismiss {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--mt-space-2, 8px);
  margin-top: var(--mt-space-4, 16px);
  font-size: var(--mt-text-xs, 0.72rem);
  color: var(--mt-text-subtle, #94a3b8);
  cursor: pointer;
  user-select: none;
}

.mt-overlay__dismiss input[type="checkbox"] {
  width: 14px;
  height: 14px;
  cursor: pointer;
  accent-color: var(--mt-brand-primary, #E05A1A);
}


/* ==========================================================
   §11  ANIMATION PRESETS
   Applied by overlay-engine.js to .mt-overlay__dialog
   Entering: .is-visible on parent activates animation
   Exiting:  .is-closing on parent reverses animation
   ========================================================== */

/* -- Fade -- */
.mt-anim--fade {
  opacity: 0;
  transition:
    opacity var(--mt-duration-slow, 0.4s) var(--mt-ease-default, ease);
}

.is-visible .mt-anim--fade {
  opacity: 1;
}

.is-closing .mt-anim--fade {
  opacity: 0;
}


/* -- Scale -- */
.mt-anim--scale {
  opacity: 0;
  transform: scale(0.9);
  transition:
    opacity var(--mt-duration-slow, 0.4s) var(--mt-ease-default, ease),
    transform var(--mt-duration-slow, 0.4s) var(--mt-ease-spring, cubic-bezier(0.175, 0.885, 0.32, 1.275));
}

.is-visible .mt-anim--scale {
  opacity: 1;
  transform: scale(1);
}

.is-closing .mt-anim--scale {
  opacity: 0;
  transform: scale(0.9);
}


/* -- Slide Up -- */
.mt-anim--slideUp {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity var(--mt-duration-slow, 0.4s) var(--mt-ease-default, ease),
    transform var(--mt-duration-slow, 0.4s) var(--mt-ease-default, ease);
}

.is-visible .mt-anim--slideUp {
  opacity: 1;
  transform: translateY(0);
}

.is-closing .mt-anim--slideUp {
  opacity: 0;
  transform: translateY(30px);
}


/* -- Slide Down -- */
.mt-anim--slideDown {
  opacity: 0;
  transform: translateY(-30px);
  transition:
    opacity var(--mt-duration-slow, 0.4s) var(--mt-ease-default, ease),
    transform var(--mt-duration-slow, 0.4s) var(--mt-ease-default, ease);
}

.is-visible .mt-anim--slideDown {
  opacity: 1;
  transform: translateY(0);
}

.is-closing .mt-anim--slideDown {
  opacity: 0;
  transform: translateY(-30px);
}


/* -- Slide Left -- */
.mt-anim--slideLeft {
  opacity: 0;
  transform: translateX(-40px);
  transition:
    opacity var(--mt-duration-slow, 0.4s) var(--mt-ease-default, ease),
    transform var(--mt-duration-slow, 0.4s) var(--mt-ease-default, ease);
}

.is-visible .mt-anim--slideLeft {
  opacity: 1;
  transform: translateX(0);
}

.is-closing .mt-anim--slideLeft {
  opacity: 0;
  transform: translateX(-40px);
}


/* -- Slide Right -- */
.mt-anim--slideRight {
  opacity: 0;
  transform: translateX(40px);
  transition:
    opacity var(--mt-duration-slow, 0.4s) var(--mt-ease-default, ease),
    transform var(--mt-duration-slow, 0.4s) var(--mt-ease-default, ease);
}

.is-visible .mt-anim--slideRight {
  opacity: 1;
  transform: translateX(0);
}

.is-closing .mt-anim--slideRight {
  opacity: 0;
  transform: translateX(40px);
}


/* -- Bounce -- */
.mt-anim--bounce {
  opacity: 0;
  transform: scale(0.6);
  transition:
    opacity var(--mt-duration-slow, 0.4s) var(--mt-ease-default, ease),
    transform var(--mt-duration-slower, 0.6s) var(--mt-ease-bounce, cubic-bezier(0.34, 1.56, 0.64, 1));
}

.is-visible .mt-anim--bounce {
  opacity: 1;
  transform: scale(1);
}

.is-closing .mt-anim--bounce {
  opacity: 0;
  transform: scale(0.6);
  transition-duration: var(--mt-duration-normal, 0.25s);
}


/* ==========================================================
   §12  RESPONSIVE — TABLET
   ========================================================== */
@media (max-width: 991px) {
  .mt-overlay__dialog--modal {
    max-width: 440px;
    margin-top: 8vh;
  }

  .mt-overlay__dialog--slidein {
    width: 340px;
  }

  .mt-overlay--slidein {
    right: var(--mt-space-4, 16px);
    bottom: var(--mt-space-4, 16px);
  }
}


/* ==========================================================
   §13  RESPONSIVE — MOBILE
   ========================================================== */
@media (max-width: 575px) {

  /* Modal: bottom-sheet style */
  .mt-overlay--modal {
    align-items: flex-end;
  }

  .mt-overlay__dialog--modal {
    margin-top: 0;
    max-width: 100%;
    width: 100%;
    border-radius: var(--mt-radius-lg, 16px) var(--mt-radius-lg, 16px) 0 0;
    padding: var(--mt-space-6, 24px) var(--mt-space-5, 20px) var(--mt-space-8, 32px);
    box-shadow: var(--mt-shadow-2xl, 0 30px 70px rgba(0, 0, 0, 0.14));
  }

  /* Slide-in: full-width bottom */
  .mt-overlay--slidein {
    left: 0;
    right: 0;
    bottom: 0;
  }

  .mt-overlay__dialog--slidein {
    width: 100%;
    max-width: 100%;
    border-radius: var(--mt-radius-lg, 16px) var(--mt-radius-lg, 16px) 0 0;
    padding: var(--mt-space-5, 20px);
  }

  /* Banner: stack vertically */
  .mt-overlay__dialog--banner {
    flex-direction: column;
    gap: var(--mt-space-3, 12px);
    padding: var(--mt-space-4, 16px) var(--mt-space-4, 16px);
    text-align: center;
  }

  .mt-overlay__close--banner {
    position: absolute;
    top: var(--mt-space-2, 8px);
    right: var(--mt-space-3, 12px);
  }

  /* CTA: full width on mobile */
  .mt-overlay__cta {
    width: 100%;
    text-align: center;
  }

  .mt-overlay__cta--banner {
    width: auto;
  }
}


/* ==========================================================
   §14  REDUCED MOTION (accessibility)
   ========================================================== */
@media (prefers-reduced-motion: reduce) {
  .mt-overlay,
  .mt-overlay--modal,
  .mt-overlay--banner,
  .mt-overlay--slidein,
  .mt-anim--fade,
  .mt-anim--scale,
  .mt-anim--slideUp,
  .mt-anim--slideDown,
  .mt-anim--slideLeft,
  .mt-anim--slideRight,
  .mt-anim--bounce {
    transition-duration: 0.01ms !important;
  }
}


/* ==========================================================
   §15  PRINT — hide overlays
   ========================================================== */
@media print {
  .mt-overlay {
    display: none !important;
  }
}