@import url("https://fonts.googleapis.com/css2?family=Arimo:wght@400;600;700&family=Charis+SIL:wght@400;700&family=Noto+Sans:wght@400;600;700&family=Noto+Serif:wght@400;700&family=Voces&display=swap");

:root {
  --ipa-mobile-bg: rgba(255, 255, 255, 0.94);
  --ipa-mobile-border: rgba(15, 25, 54, 0.14);
  --ipa-mobile-shadow: 0 18px 32px rgba(15, 25, 54, 0.16);
  --ipa-mobile-key-bg: #f7f8fc;
  --ipa-mobile-key-text: #0b1220;
  --ipa-mobile-key-border: rgba(15, 25, 54, 0.16);
  --ipa-mobile-key-shadow: 0 6px 16px rgba(15, 25, 54, 0.14),
    inset 0 -2px 0 rgba(15, 25, 54, 0.12);
  --ipa-mobile-key-hover-shadow: 0 10px 24px rgba(15, 25, 54, 0.2);
  --ipa-mobile-key-active-shadow: inset 0 -1px 0 rgba(15, 25, 54, 0.25);
  --ipa-mobile-key-highlight-bg: #e4e9f7;
  --ipa-mobile-key-highlight-border: rgba(15, 25, 54, 0.22);
  --ipa-mobile-action-bg: #d5dced;
  --ipa-mobile-action-text: #0b1220;
  --ipa-mobile-option-bg: #ffffff;
  --ipa-mobile-option-hover: rgba(15, 25, 54, 0.12);
  --ipa-font-family: "Arimo", "Charis SIL", "Noto Sans", "Noto Serif", "Voces",
    system-ui, -apple-system, "Segoe UI", sans-serif;
}

:root[data-bs-theme="dark"] {
  --ipa-mobile-bg: rgba(11, 18, 32, 0.92);
  --ipa-mobile-border: rgba(59, 80, 124, 0.55);
  --ipa-mobile-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
  --ipa-mobile-key-bg: #1c2642;
  --ipa-mobile-key-text: #f3f6fc;
  --ipa-mobile-key-border: rgba(120, 150, 210, 0.35);
  --ipa-mobile-key-shadow: 0 6px 20px rgba(0, 0, 0, 0.55),
    inset 0 -2px 0 rgba(0, 0, 0, 0.35);
  --ipa-mobile-key-hover-shadow: 0 12px 26px rgba(0, 0, 0, 0.6);
  --ipa-mobile-key-active-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.5);
  --ipa-mobile-key-highlight-bg: #243253;
  --ipa-mobile-key-highlight-border: rgba(120, 150, 210, 0.5);
  --ipa-mobile-action-bg: #2c3a5c;
  --ipa-mobile-action-text: #f3f6fc;
  --ipa-mobile-option-bg: rgba(19, 27, 46, 0.98);
  --ipa-mobile-option-hover: rgba(227, 235, 255, 0.12);
}

.ipa-ipa-text {
  font-family: var(--ipa-font-family);
  font-variant-ligatures: none;
}

.ipa-ipa-note {
  font-family: var(--ipa-font-family);
}

.ipa-keyboard-page {
  display: grid;
  gap: clamp(1.5rem, 2vw, 2.5rem);
}

.ipa-keyboard-wrap {
  padding: clamp(1.25rem, 2vw, 2rem);
}

.ipa-keyboard-header {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
}

.ipa-keyboard-title {
  font-weight: 600;
  font-size: clamp(1.4rem, 2.5vw, 1.75rem);
}

.ipa-keyboard-sub {
  color: var(--bs-secondary-color);
  font-size: 0.975rem;
}

.ipa-keyboard-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.85rem;
}

.ipa-meta-card {
  background: var(--sb-surface-1, rgba(255, 255, 255, 0.06));
  border: 1px solid var(--sb-surface-border);
  border-radius: 14px;
  padding: 0.75rem 0.9rem;
}

[data-bs-theme="light"] .ipa-meta-card {
  background: rgba(255, 255, 255, 0.9);
}

.ipa-meta-card h3 {
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.ipa-meta-card p:last-child,
.ipa-meta-card ul:last-child {
  margin-bottom: 0;
}

.ipa-meta-list {
  padding-left: 1.1rem;
  margin-bottom: 0;
}

.ipa-keyboard-help-link {
  font-size: 0.95rem;
  color: var(--bs-secondary-color);
}

.ipa-keyboard-help-link .ipa-help-anchor {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  color: var(--bs-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.ipa-keyboard-help-link .ipa-help-anchor:hover,
.ipa-keyboard-help-link .ipa-help-anchor:focus {
  text-decoration: underline;
}

[data-bs-theme="dark"] .ipa-keyboard-help-link .ipa-help-anchor {
  color: #e8ecf3;
}

.ipa-keyboard-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--sb-surface-border);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.ipa-keyboard-toolbar .form-select,
.ipa-keyboard-toolbar .btn,
.ipa-keyboard-toolbar .form-control {
  min-width: 160px;
}

.ipa-desktop-keyboard {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.ipa-shortcut-hint {
  margin: 0;
  color: var(--bs-secondary-color);
  font-weight: 600;
}

.ipa-keyboard-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  width: 100%;
  justify-content: flex-start;
}

.ipa-group-block {
  display: inline-flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 0.4rem;
  padding: 0.55rem 0.7rem;
  border-radius: 14px;
  background: var(--sb-surface-2, rgba(15, 23, 48, 0.35));
  border: 1px solid var(--sb-surface-border);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
  white-space: nowrap;
}

[data-bs-theme="light"] .ipa-group-block {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 10px 18px rgba(15, 25, 54, 0.12);
}

.ipa-group-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.8rem;
  height: 1.8rem;
  padding: 0 0.45rem;
  border-radius: 999px;
  background: var(--sb-surface-1, rgba(255, 255, 255, 0.12));
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: lowercase;
  border: 1px solid var(--sb-surface-border);
}

[data-bs-theme="light"] .ipa-group-label {
  background: rgba(15, 25, 54, 0.08);
}

.ipa-symbol-chip {
  border: 1px solid var(--sb-surface-border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05));
  color: inherit;
  border-radius: 999px;
  padding: 0.35rem 0.65rem;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1;
  transition: transform 0.1s ease, box-shadow 0.2s ease, background 0.2s ease;
}

[data-bs-theme="light"] .ipa-symbol-chip {
  background: linear-gradient(180deg, #ffffff, #edf1f7);
  color: #0b1220;
  box-shadow: 0 6px 14px rgba(15, 25, 54, 0.12);
}

.ipa-symbol-chip:hover,
.ipa-symbol-chip:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
  outline: none;
}

.ipa-symbol-chip:active {
  transform: translateY(0);
  box-shadow: none;
}

.ipa-advanced {
  background: var(--sb-surface-1, rgba(255, 255, 255, 0.04));
  padding: 0.5rem;
  border-radius: 12px;
  border: 1px dashed var(--sb-surface-border);
}

.ipa-advanced .ipa-group-block {
  background: var(--sb-surface-2, rgba(15, 23, 48, 0.28));
}

.ipa-advanced-toggle-wrap {
  display: flex;
  justify-content: flex-start;
}

.ipa-advanced-toggle {
  border-radius: 999px;
  padding-inline: 1rem;
}

.ipa-workspace {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.ipa-keyboard-key {
  appearance: none;
  border: 1px solid var(--sb-surface-border);
  background: linear-gradient(180deg, #121a2e, #182341);
  color: inherit;
  border-radius: 14px;
  padding: 0.75rem 0.5rem;
  cursor: pointer;
  font-size: 1.45rem;
  font-weight: 700;
  text-align: center;
  line-height: 1;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.35);
}

[data-bs-theme="light"] .ipa-keyboard-key {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(230, 236, 246, 0.92));
  box-shadow: 0 10px 22px rgba(15, 25, 54, 0.12);
  color: #0b1220;
}

.ipa-keyboard-key:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

[data-bs-theme="light"] .ipa-keyboard-key:hover {
  box-shadow: 0 14px 30px rgba(15, 25, 54, 0.18);
}

.ipa-keyboard-key:active {
  transform: translateY(0);
  box-shadow: none;
}

.ipa-pad {
  border-radius: 16px;
  border: 1px solid var(--sb-surface-border);
  background: rgba(15, 23, 48, 0.5);
  color: inherit;
  padding: 1rem;
  min-height: 220px;
  resize: vertical;
  font-family: var(--ipa-font-family);
  font-size: 1.05rem;
}

[data-bs-theme="light"] .ipa-pad {
  background: rgba(255, 255, 255, 0.9);
}

.ipa-pad-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.ipa-copy-toast {
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  font-size: 0.925rem;
  color: var(--bs-success);
}

.ipa-copy-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.ipa-copy-toast.is-error {
  color: var(--bs-danger);
}

.ipa-keyboard-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.ipa-help-layouts {
  display: grid;
  gap: 1.25rem;
}

.ipa-help-layout {
  padding: 1rem;
  border: 1px solid var(--sb-surface-border);
  border-radius: 16px;
  background: var(--sb-surface-1, rgba(255, 255, 255, 0.04));
}

[data-bs-theme="light"] .ipa-help-layout {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 18px rgba(15, 25, 54, 0.08);
}

.ipa-help-layout.is-active {
  border-color: var(--bs-primary);
}

.ipa-help-table kbd {
  background: color-mix(in srgb, var(--sb-surface-2, #1f2b4d) 70%, transparent);
  border: 1px solid var(--sb-surface-border);
  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.15);
  font-family: var(--ipa-font-family);
  color: var(--bs-body-color);
}

[data-bs-theme="light"] .ipa-help-table kbd {
  background: rgba(15, 25, 54, 0.08);
  color: #0b1220;
}

.ipa-help-layout h2 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.ipa-help-layout small {
  color: var(--bs-secondary-color);
}

.ipa-meta-card kbd {
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid var(--sb-surface-border);
  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.2);
  color: #f3f6fc;
  font-family: var(--ipa-font-family);
}

[data-bs-theme="light"] .ipa-meta-card kbd {
  background: rgba(15, 25, 54, 0.12);
  color: #0b1220;
}

.ipa-mobile-keyboard {
  display: none;
  --ipa-mobile-base-padding: clamp(0.15rem, 2vw, 0.35rem);
  gap: 0.4rem;
  flex-direction: column;
  margin-top: 1.75rem;
  width: min(640px, 100%);
  max-width: 100%;
  margin-inline: auto;
  padding: clamp(1rem, 4vw, 1.35rem) var(--ipa-mobile-base-padding)
    clamp(0.85rem, 3.5vw, 1.5rem);
  box-sizing: border-box;
  background: var(--ipa-mobile-bg);
  border: 1px solid var(--ipa-mobile-border);
  border-radius: 24px 24px 16px 16px;
  box-shadow: var(--ipa-mobile-shadow);
}

.ipa-mobile-row {
  display: grid;
  grid-template-columns: repeat(var(--row-columns, 1), minmax(0, 1fr));
  gap: clamp(0.25rem, 2.5vw, 0.45rem);
  width: 100%;
  box-sizing: border-box;
  padding-inline: calc(var(--ipa-mobile-base-padding, 0.5rem) + var(--row-offset, 0px));
  margin-inline: auto;
}

.ipa-mobile-key {
  position: relative;
  min-width: 0;
  border-radius: 14px;
  border: 1px solid var(--ipa-mobile-key-border);
  background: var(--ipa-mobile-key-bg);
  color: var(--ipa-mobile-key-text);
  padding: clamp(0.75rem, 3vw, 0.95rem) clamp(0.6rem, 4vw, 0.9rem);
  font-size: 1.08rem;
  font-weight: 600;
  text-transform: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--ipa-mobile-key-shadow);
  user-select: none;
  touch-action: manipulation;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease,
    color 0.2s ease;
  grid-column: span var(--mobile-key-span, 1);
}

.ipa-mobile-key:hover,
.ipa-mobile-key:focus-visible {
  transform: translateY(-1px);
  box-shadow: var(--ipa-mobile-key-hover-shadow);
}

.ipa-mobile-key:active {
  transform: translateY(0);
  box-shadow: var(--ipa-mobile-key-active-shadow);
}

.ipa-mobile-key--has-ipa {
  background: var(--ipa-mobile-key-highlight-bg);
  border-color: var(--ipa-mobile-key-highlight-border);
}

.ipa-mobile-key--mobile-only {
  border-style: dashed;
}

.ipa-mobile-key--action {
  background: var(--ipa-mobile-action-bg);
  border-color: var(--ipa-mobile-key-highlight-border);
  color: var(--ipa-mobile-action-text);
  font-size: 0.95rem;
  text-transform: none;
}

.ipa-mobile-key--action strong {
  font-weight: 700;
}

.ipa-mobile-options {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.4rem);
  transform: translateX(-50%) translateY(10px);
  background: var(--ipa-mobile-option-bg);
  border: 1px solid var(--ipa-mobile-border);
  border-radius: 12px;
  padding: 0.35rem;
  display: flex;
  gap: 0.25rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 20;
  box-shadow: var(--ipa-mobile-shadow);
}

.ipa-mobile-options.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.ipa-mobile-option {
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 1.35rem;
  padding: 0.25rem 0.45rem;
  border-radius: 10px;
  cursor: pointer;
  user-select: none;
  touch-action: manipulation;
}

.ipa-mobile-option:hover,
.ipa-mobile-option:focus {
  background: var(--ipa-mobile-option-hover);
}

.ipa-mobile-key--space {
  text-transform: lowercase;
}

.ipa-mobile-key--action strong {
  font-size: 1.1rem;
}

@media (max-width: 767.98px) {
  .ipa-keyboard-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .ipa-desktop-keyboard {
    display: none;
  }

  .ipa-keyboard-page {
    min-height: 100vh;
  }

  .ipa-keyboard-wrap {
    display: flex;
    flex-direction: column;
    min-height: 100%;
  }

  .ipa-workspace {
    flex: 1 1 auto;
    margin-top: 1rem;
  }

  .ipa-pad {
    flex: 1 1 auto;
    min-height: 200px;
  }

  .ipa-mobile-keyboard {
    display: flex;
    margin-top: auto;
  }

  .ipa-keyboard-actions,
  .ipa-modifier-group {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ipa-keyboard-key,
  .ipa-mobile-key,
  .ipa-mobile-options {
    transition: none;
  }
}