/* NUAM Curators v1470 — mobile feedback layout + visual viewport */

#feedback-modal .feedback-modal-box {
  width: min(620px, calc(100vw - 28px));
  height: 430px;
  max-height: calc(100svh - 28px);
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#feedback-modal .feedback-modal-box > .modal-head {
  flex: 0 0 auto;
  position: relative;
  z-index: 2;
  margin: 0;
  padding: 14px 16px;
  border-bottom: 1px solid var(--state-active-border);
  background: var(--surface-overlay-soft);
}

.feedback-modal-title {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text-primary);
  font-size: 18px;
  line-height: 1.25;
  font-weight: 800;
}

.feedback-modal-title i {
  color: var(--accent-secondary);
  font-size: 18px;
}

.feedback-stage {
  flex: 1 1 auto;
  min-height: 0;
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
}

.feedback-form-view,
.feedback-success-view {
  flex: 1 1 auto;
  min-height: 0;
}

.feedback-form-view {
  display: flex;
  flex-direction: column;
}

.feedback-intro {
  flex: 0 0 auto;
  margin: 0 0 12px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.5;
}

.feedback-form {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.feedback-textarea {
  width: 100%;
  flex: 1 1 auto;
  min-height: 118px;
  max-height: 190px;
  resize: none;
  overflow-y: auto;
  scrollbar-gutter: stable;
  box-sizing: border-box;
  padding: 12px 13px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--nuam-radius-xl);
  background: var(--surface-panel-soft);
  color: var(--text-primary);
  font: inherit;
  font-size: 14px;
  line-height: 1.5;
  outline: none;
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.feedback-textarea:hover {
  border-color: var(--state-hover-accent-border);
}

.feedback-textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--accent-primary-bg-soft);
  background: var(--surface-panel);
}

/* Shared textarea scrollbar component.
   IMPORTANT: Chromium supports the standard scrollbar-color property and a
   non-auto inherited value suppresses the legacy WebKit scrollbar painting.
   Keep both feedback and submission textareas on this one class and reset the
   standard properties before applying the WebKit geometry. */
.nuam-textarea-scrollbar {
  scrollbar-width: auto;
  scrollbar-color: auto;
}

.nuam-textarea-scrollbar::-webkit-scrollbar {
  width: 12px;
}

.nuam-textarea-scrollbar::-webkit-scrollbar-track {
  background: var(--surface-app);
  border-top-right-radius: 12px;
  border-bottom-right-radius: 12px;
}

.nuam-textarea-scrollbar::-webkit-scrollbar-thumb {
  background: var(--surface-base);
  border: 2px solid var(--surface-app);
  border-top-left-radius: 0;
  border-top-right-radius: 12px;
  border-bottom-right-radius: 12px;
  border-bottom-left-radius: 0;
}

.nuam-textarea-scrollbar::-webkit-scrollbar-button,
.nuam-textarea-scrollbar::-webkit-scrollbar-button:single-button,
.nuam-textarea-scrollbar::-webkit-scrollbar-button:vertical:start:decrement,
.nuam-textarea-scrollbar::-webkit-scrollbar-button:vertical:end:increment {
  display: none;
  width: 0;
  height: 0;
  border: 0;
  background: transparent;
}

.nuam-textarea-scrollbar::-webkit-scrollbar-corner {
  background: var(--surface-app);
}

@supports (-moz-appearance: none) {
  .nuam-textarea-scrollbar {
    scrollbar-width: auto;
    scrollbar-color: var(--surface-base) var(--surface-app);
  }
}

.feedback-attachment-slot {
  display: none;
  min-width: 0;
}

.feedback-attachment-slot.is-visible {
  min-height: 28px;
  margin-top: 7px;
  display: flex;
  align-items: center;
}

.feedback-attachment-preview {
  max-width: 100%;
  min-width: 0;
  height: 28px;
  padding: 0 7px 0 10px;
  display: none;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--nuam-radius-lg);
  background: var(--control-bg);
  color: var(--text-secondary);
  font-size: 12px;
}

.feedback-attachment-preview.is-visible {
  display: inline-flex;
}

.feedback-attachment-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.feedback-attachment-remove {
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  border: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
}

.feedback-attachment-remove:hover,
.feedback-attachment-remove:focus-visible {
  color: var(--text-primary);
  background: var(--control-bg-active);
  outline: none;
}

.feedback-message {
  display: none;
  margin-top: 6px;
  color: var(--state-danger-text, #ff8e8e);
  font-size: 12px;
  line-height: 1.35;
}

.feedback-message:not(:empty) {
  display: block;
}

.feedback-actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  margin-top: 9px;
}

.feedback-submit {
  flex: 0 0 auto;
  min-width: 112px;
  height: 36px;
}

.feedback-attach-anchor {
  position: relative;
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
}

.feedback-attach-btn {
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--border-subtle);
  border-radius: var(--nuam-radius-lg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--control-bg);
  color: var(--text-primary);
  cursor: pointer;
  transition: border-color .18s ease, background .18s ease, transform .18s ease;
}

.feedback-attach-btn i {
  font-size: 17px;
  line-height: 1;
}

.feedback-attach-btn:hover,
.feedback-attach-btn:focus-visible {
  border-color: var(--accent-primary);
  background: var(--control-bg-active);
  outline: none;
}

.feedback-attach-btn:active {
  transform: scale(.96);
}

.feedback-attach-btn:disabled,
.feedback-submit:disabled,
.feedback-contact:disabled,
.feedback-textarea:disabled {
  opacity: .55;
  cursor: default;
}

.feedback-contact {
  flex: 1 1 auto;
  min-width: 0;
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--nuam-radius-lg);
  background: var(--control-bg);
  color: var(--text-primary);
  font: inherit;
  font-size: 12px;
  outline: none;
  transition: border-color .18s ease, box-shadow .18s ease;
}

.feedback-contact:hover {
  border-color: var(--state-hover-accent-border);
}

.feedback-contact:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--accent-primary-bg-soft);
}

.feedback-direct-contact {
  flex: 0 0 auto;
  margin-top: 12px;
  padding-top: 11px;
  border-top: 1px solid var(--border-separator);
  display: flex;
  align-items: center;
  gap: 8px 12px;
  flex-wrap: wrap;
}

.feedback-direct-contact-text {
  flex: 1 1 100%;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.35;
}

.feedback-direct-contact-links {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex-wrap: wrap;
}

.feedback-direct-contact-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  color: var(--text-secondary-bright);
  font-size: 12px;
  line-height: 1.2;
  text-decoration: none;
  transition: color .18s ease, transform .18s ease;
}

.feedback-direct-contact-link i {
  flex: 0 0 auto;
  font-size: 14px;
  line-height: 1;
}

.feedback-direct-contact-link:hover,
.feedback-direct-contact-link:focus-visible {
  color: var(--accent-primary);
  text-decoration: none;
  outline: none;
}

.feedback-direct-contact-link:hover {
  transform: translateY(-1px);
}

.feedback-success-view {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px 28px;
  text-align: center;
}

.feedback-success-view.is-visible {
  display: flex;
}

.feedback-success-text {
  max-width: 480px;
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 600;
}

#feedback-modal.is-success .feedback-form-view {
  display: none;
}

@media (max-width: 760px) {
  /* Follow the actual visible viewport, not the layout viewport, so the modal
     recenters inside the area that remains above the on-screen keyboard. */
  #feedback-modal {
    inset: auto;
    left: var(--nuam-feedback-vv-left, 0px);
    top: var(--nuam-feedback-vv-top, 0px);
    right: auto;
    bottom: auto;
    width: var(--nuam-feedback-vv-width, 100dvw);
    height: var(--nuam-feedback-vv-height, 100dvh);
    max-width: none;
    min-width: 0;
    min-height: 0;
    padding:
      max(8px, env(safe-area-inset-top))
      max(8px, env(safe-area-inset-right))
      max(8px, env(safe-area-inset-bottom))
      max(8px, env(safe-area-inset-left));
    overflow: hidden;
    overscroll-behavior: contain;
  }

  #feedback-modal .feedback-modal-box {
    width: 100%;
    height: min(430px, 100%);
    max-height: 100%;
    border-radius: var(--nuam-radius-xl);
  }

  #feedback-modal .feedback-modal-box > .modal-head {
    padding: 12px 13px;
  }

  .feedback-stage {
    padding: 12px 13px 13px;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  .feedback-stage::-webkit-scrollbar {
    width: 10px;
  }

  .feedback-stage::-webkit-scrollbar-track {
    background: var(--surface-app);
  }

  .feedback-stage::-webkit-scrollbar-thumb {
    background: var(--surface-base);
    border: 2px solid var(--surface-app);
    border-radius: var(--nuam-radius-none);
  }

  .feedback-stage::-webkit-scrollbar-button {
    display: none;
    width: 0;
    height: 0;
  }

  @supports (-moz-appearance: none) {
    .feedback-stage {
      scrollbar-width: auto;
      scrollbar-color: var(--surface-base) var(--surface-app);
    }
  }

  .feedback-form-view {
    flex: 0 0 auto;
    min-height: 100%;
  }

  .feedback-form {
    flex: 0 0 auto;
  }

  .feedback-intro {
    margin-bottom: 10px;
    font-size: 13px;
    line-height: 1.45;
  }

  .feedback-textarea {
    flex: 0 0 auto;
    height: 112px;
    min-height: 108px;
    max-height: 150px;
    font-size: 13px;
  }

  /* Mobile order: attachment + contact directly under the textarea; submit
     gets its own row underneath. */
  .feedback-actions {
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr);
    grid-template-rows: 36px 36px;
    align-items: stretch;
    gap: 8px;
    margin-top: 8px;
  }

  .feedback-attach-anchor {
    grid-column: 1;
    grid-row: 1;
    width: 36px;
    height: 36px;
  }

  .feedback-attach-btn {
    width: 36px;
    height: 36px;
  }

  .feedback-contact {
    grid-column: 2;
    grid-row: 1;
    width: 100%;
    height: 36px;
    min-width: 0;
    font-size: 11px;
    padding-inline: 9px;
  }

  .feedback-submit {
    grid-column: 1 / -1;
    grid-row: 2;
    width: 100%;
    min-width: 0;
    height: 36px;
    padding-inline: 11px;
  }

  .feedback-direct-contact {
    margin-top: 10px;
    padding-top: 9px;
    gap: 6px 10px;
  }

  .feedback-direct-contact-text,
  .feedback-direct-contact-link {
    font-size: 11.5px;
  }

  .feedback-direct-contact-links {
    gap: 10px;
  }

  .feedback-success-view {
    min-height: 100%;
    padding: 18px;
  }

  .feedback-success-text {
    font-size: 15px;
  }
}

@media (max-width: 380px) {
  .feedback-actions {
    grid-template-columns: 34px minmax(0, 1fr);
    grid-template-rows: 34px 34px;
    gap: 6px;
  }

  .feedback-attach-anchor,
  .feedback-attach-btn {
    width: 34px;
    height: 34px;
  }

  .feedback-contact,
  .feedback-submit {
    height: 34px;
  }

  .feedback-contact {
    font-size: 10.5px;
  }

  .feedback-direct-contact-links {
    gap: 8px;
  }
}

@supports not (width: 100dvw) {
  @media (max-width: 760px) {
    #feedback-modal {
      width: var(--nuam-feedback-vv-width, 100vw);
      height: var(--nuam-feedback-vv-height, 100vh);
    }
  }
}