:root {
  --oomt-form-font: inherit;
  --oomt-form-bg: #ffffff;
  --oomt-form-text: #172033;
  --oomt-form-placeholder: #6b7280;
  --oomt-form-border: rgba(148, 163, 184, 0.45);
  --oomt-form-border-hover: rgba(37, 99, 235, 0.45);
  --oomt-form-border-focus: #2563eb;
  --oomt-form-ring: 0 0 0 4px rgba(37, 99, 235, 0.14);
  --oomt-form-disabled-bg: #f1f5f9;
  --oomt-form-disabled-text: #64748b;
  --oomt-form-radius: 14px;
  --oomt-form-padding-y: 12px;
  --oomt-form-padding-x: 14px;
  --oomt-form-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.oomt-tool-card,
.oomt-tabs-wrapper {
  --oomt-bg: #f8fafc;
  --oomt-surface: #ffffff;
  --oomt-surface-soft: #f8fbff;
  --oomt-text: #172033;
  --oomt-muted: #5f6c82;
  --oomt-border: rgba(15, 23, 42, 0.08);
  --oomt-accent: #2563eb;
  --oomt-accent-strong: #7c3aed;
  --oomt-success: #0f766e;
  --oomt-danger: #b42318;
  box-sizing: border-box;
  margin: 20px 0;
  border: 1px solid var(--oomt-border);
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(37, 99, 235, 0.09), transparent 0, transparent 32%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.98));
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
  color: var(--oomt-text);
}

.oomt-tabs-wrapper {
  padding: 22px;
  overflow: hidden;
}

.oomt-tool-card {
  padding: 22px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.oomt-tool-card:hover {
  transform: translateY(-2px);
  border-color: rgba(37, 99, 235, 0.2);
  box-shadow: 0 22px 50px rgba(37, 99, 235, 0.12);
}

.oomt-suite-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.oomt-suite-copy h2 {
  margin: 6px 0;
  font-size: clamp(1.55rem, 1.2rem + 1vw, 2rem);
  line-height: 1.15;
}

.oomt-tool-header h3,
.oomt-tool-header h4 {
  margin: 8px 0 6px;
  font-size: clamp(1.2rem, 1rem + 0.5vw, 1.45rem);
  line-height: 1.25;
}

.oomt-suite-copy p,
.oomt-tool-header p {
  margin: 0;
  color: var(--oomt-muted);
  line-height: 1.6;
}

.oomt-suite-eyebrow,
.oomt-tool-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--oomt-accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.oomt-suite-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.oomt-search-field {
  display: flex;
  min-width: min(280px, 100%);
}

.oomt-tool-search {
  min-width: 220px;
}

.oomt-suite-layout {
  display: grid;
  grid-template-columns: minmax(220px, 260px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.oomt-tabs-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 8px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--oomt-border);
  backdrop-filter: blur(10px);
}

.oomt-tab-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  border: 1px solid transparent;
  border-radius: 16px;
  padding: 12px 14px;
  background: transparent;
  color: var(--oomt-text);
  cursor: pointer;
  font-weight: 600;
  text-align: left;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease, border-color 0.16s ease;
}

.oomt-tab-btn-title {
  font-size: 0.98rem;
}

.oomt-tab-btn-meta {
  margin-top: 3px;
  color: var(--oomt-muted);
  font-size: 0.78rem;
  font-weight: 500;
}

.oomt-btn,
.oomt-copy-btn,
.oomt-theme-toggle {
  border: 0;
  border-radius: 12px;
  padding: 11px 16px;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease, opacity 0.16s ease;
}

.oomt-btn:hover,
.oomt-copy-btn:hover,
.oomt-tab-btn:hover,
.oomt-theme-toggle:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

.oomt-btn:focus-visible,
.oomt-copy-btn:focus-visible,
.oomt-tab-btn:focus-visible,
.oomt-theme-toggle:focus-visible,
.oomt-form textarea:focus,
.oomt-form input:focus,
.oomt-form select:focus {
  outline: 2px solid rgba(37, 99, 235, 0.3);
  outline-offset: 2px;
}

.oomt-btn {
  background: linear-gradient(135deg, var(--oomt-accent), var(--oomt-accent-strong));
  color: #fff;
}

.oomt-btn:disabled {
  opacity: 0.8;
  cursor: wait;
}

.oomt-copy-btn,
.oomt-theme-toggle {
  background: rgba(37, 99, 235, 0.08);
  color: var(--oomt-text);
}

.oomt-copy-btn.is-success {
  background: rgba(15, 118, 110, 0.12);
  color: var(--oomt-success);
}

.oomt-tab-btn.is-active {
  background: linear-gradient(135deg, var(--oomt-accent), var(--oomt-accent-strong));
  color: #fff;
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: 0 14px 28px rgba(37, 99, 235, 0.22);
}

.oomt-tab-btn.is-active .oomt-tab-btn-meta {
  color: rgba(255, 255, 255, 0.85);
}

/* Shared front-end form system.
 * Add .oomt-form-scope to any theme/plugin wrapper to opt into the same UI safely.
 */
:where(.oomt-form, .oomt-form-scope) {
  --oomt-form-bg: rgba(255, 255, 255, 0.92);
  --oomt-form-text: var(--oomt-text, #172033);
  --oomt-form-placeholder: #5f6c82;
  --oomt-form-border: rgba(148, 163, 184, 0.35);
  --oomt-form-border-hover: rgba(37, 99, 235, 0.45);
  --oomt-form-border-focus: var(--oomt-accent, #2563eb);
  --oomt-form-ring: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

:where(.oomt-form, .oomt-form-scope) :where(label, .oomt-label) {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.oomt-tool-header + .oomt-form {
  margin-top: 14px;
}

.oomt-hidden-label {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:where(.oomt-form, .oomt-form-scope) :where(
  input:not([type="checkbox"]):not([type="radio"]):not([type="submit"]):not([type="button"]):not([type="reset"]):not([type="range"]):not([type="color"]):not([type="file"]):not([type="image"]):not([type="hidden"]),
  textarea,
  select
) {
  width: 100%;
  min-height: 46px;
  margin-bottom: 14px;
  box-sizing: border-box;
  border: 1px solid var(--oomt-form-border);
  border-radius: var(--oomt-form-radius);
  padding: var(--oomt-form-padding-y) var(--oomt-form-padding-x);
  background: var(--oomt-form-bg);
  color: var(--oomt-form-text);
  font-family: var(--oomt-form-font);
  font-size: max(14px, 1em);
  line-height: 1.5;
  box-shadow: var(--oomt-form-shadow);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

:where(.oomt-form, .oomt-form-scope) textarea {
  resize: vertical;
}

:where(.oomt-form, .oomt-form-scope) :where(
  input:not([type="checkbox"]):not([type="radio"]):not([type="submit"]):not([type="button"]):not([type="reset"]):not([type="range"]):not([type="color"]):not([type="file"]):not([type="image"]):not([type="hidden"]),
  textarea,
  select
):hover {
  border-color: var(--oomt-form-border-hover);
}

:where(.oomt-form, .oomt-form-scope) :where(
  input:not([type="checkbox"]):not([type="radio"]):not([type="submit"]):not([type="button"]):not([type="reset"]):not([type="range"]):not([type="color"]):not([type="file"]):not([type="image"]):not([type="hidden"]),
  textarea,
  select
):focus,
:where(.oomt-form, .oomt-form-scope) :where(
  input:not([type="checkbox"]):not([type="radio"]):not([type="submit"]):not([type="button"]):not([type="reset"]):not([type="range"]):not([type="color"]):not([type="file"]):not([type="image"]):not([type="hidden"]),
  textarea,
  select
):focus-visible {
  outline: 2px solid transparent;
  border-color: var(--oomt-form-border-focus);
  box-shadow: var(--oomt-form-ring);
}

:where(.oomt-form, .oomt-form-scope) :where(
  input:not([type="checkbox"]):not([type="radio"]):not([type="submit"]):not([type="button"]):not([type="reset"]):not([type="range"]):not([type="color"]):not([type="file"]):not([type="image"]):not([type="hidden"]),
  textarea,
  select
):active {
  border-color: var(--oomt-form-border-focus);
}

:where(.oomt-form, .oomt-form-scope) :where(
  input:not([type="checkbox"]):not([type="radio"]):not([type="submit"]):not([type="button"]):not([type="reset"]):not([type="range"]):not([type="color"]):not([type="file"]):not([type="image"]):not([type="hidden"]),
  textarea
)::placeholder,
:where(.oomt-form, .oomt-form-scope) :where(
  input:not([type="checkbox"]):not([type="radio"]):not([type="submit"]):not([type="button"]):not([type="reset"]):not([type="range"]):not([type="color"]):not([type="file"]):not([type="image"]):not([type="hidden"]),
  textarea
)::-webkit-input-placeholder,
:where(.oomt-form, .oomt-form-scope) :where(
  input:not([type="checkbox"]):not([type="radio"]):not([type="submit"]):not([type="button"]):not([type="reset"]):not([type="range"]):not([type="color"]):not([type="file"]):not([type="image"]):not([type="hidden"]),
  textarea
)::-moz-placeholder {
  color: var(--oomt-form-placeholder);
  opacity: 1;
}

:where(.oomt-form, .oomt-form-scope) :where(
  input:not([type="checkbox"]):not([type="radio"]):not([type="submit"]):not([type="button"]):not([type="reset"]):not([type="range"]):not([type="color"]):not([type="file"]):not([type="image"]):not([type="hidden"]),
  textarea,
  select
):disabled,
:where(.oomt-form, .oomt-form-scope) :where(
  input:not([type="checkbox"]):not([type="radio"]):not([type="submit"]):not([type="button"]):not([type="reset"]):not([type="range"]):not([type="color"]):not([type="file"]):not([type="image"]):not([type="hidden"]),
  textarea,
  select
)[aria-disabled="true"] {
  background: var(--oomt-form-disabled-bg);
  color: var(--oomt-form-disabled-text);
  border-color: rgba(148, 163, 184, 0.28);
  cursor: not-allowed;
  box-shadow: none;
  opacity: 1;
}

:where(.oomt-form, .oomt-form-scope) :where(
  input:not([type="checkbox"]),
  textarea,
  select
):required {
  border-inline-start-width: 3px;
  border-inline-start-color: rgba(37, 99, 235, 0.55);
}

:where(.oomt-form, .oomt-form-scope) :where(input[type="checkbox"], input[type="radio"]) {
  accent-color: var(--oomt-form-border-focus);
}

/* DNS / Subnet / Morse dropdown — explicit sizing, chevron, hover */
:where(.oomt-form, .oomt-form-scope) select,
.oomt-record-select {
  appearance: none;
  -webkit-appearance: none;
  min-height: 46px;
  width: 100%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235f6c82' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding: 12px 42px 12px 14px;
  font-size: 16px;
  line-height: 1.5;
  cursor: pointer;
}

:where(.oomt-form, .oomt-form-scope) select::-ms-expand {
  display: none;
}

:where(.oomt-form, .oomt-form-scope) select:hover,
.oomt-record-select:hover {
  border-color: var(--oomt-form-border-hover);
  background-color: rgba(255, 255, 255, 1);
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.08);
}

.oomt-grid.two-col,
.oomt-option-grid,
.oomt-binary-grid {
  display: grid;
  gap: 12px;
}

.oomt-grid.two-col {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.oomt-dns-form-row {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(180px, 1fr);
  gap: 12px;
  align-items: end;
  margin-bottom: 14px;
}

.oomt-field-inline {
  display: flex;
  flex-direction: column;
}

.oomt-field-inline--wide {
  min-width: 0;
}

.oomt-field-inline--narrow {
  min-width: 180px;
}

.oomt-field-inline input,
.oomt-field-inline select {
  margin-bottom: 0;
}

.oomt-dns-form-row input[type="text"] {
  min-height: 48px;
  padding: 12px 14px;
  font-size: 16px;
  line-height: 1.5;
}

.oomt-dns-form-row input[type="text"]::placeholder {
  font-size: 16px;
  line-height: 1.5;
}

.oomt-dns-form-row input,
.oomt-dns-form-row select {
  min-height: 48px;
  padding-top: 12px;
  padding-bottom: 12px;
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0;
}

.oomt-option-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-bottom: 14px;
}

.oomt-checkbox {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 46px;
  padding: 10px 14px;
  margin-bottom: 10px;
  border: 1px solid var(--oomt-border);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  cursor: pointer;
}

.oomt-checkbox span,
.oomt-checkbox .oomt-checkbox-text {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.oomt-checkbox:hover {
  border-color: rgba(37, 99, 235, 0.4);
}

.oomt-checkbox:focus-within {
  border-color: var(--oomt-form-border-focus);
}

.oomt-checkbox input[type="checkbox"] {
  /* Fixed 16px so the box never collapses */
  width: 16px;
  height: 16px;
  min-width: 16px;
  margin: 0;
  flex-shrink: 0;
  cursor: pointer;
  accent-color: var(--oomt-accent);
}

.oomt-option-grid .oomt-checkbox {
  margin-bottom: 0;
}

.oomt-action-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 10px 0 18px;
}

.oomt-result-wrap,
.oomt-result-html,
.oomt-subnet-summary,
.oomt-explanation,
.oomt-result-field,
.oomt-tab-empty {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--oomt-border);
  border-radius: 18px;
  padding: 14px;
}

.oomt-result-wrap {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.oomt-result-wrap + .oomt-result-html {
  margin-top: 12px;
}

.oomt-result-output {
  min-height: 120px;
}

.oomt-result-html[hidden],
.oomt-result-html:empty {
  display: none !important;
}

.oomt-morse-mode-group {
  margin: 0 0 14px;
  padding: 0;
  border: 0;
}

.oomt-morse-mode-options {
  margin-bottom: 0;
}

.oomt-morse-mode-options .oomt-checkbox {
  margin-bottom: 0;
}

.oomt-subnet-field-grid,
.oomt-subnet-divider-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin: 14px 0;
}

.oomt-subnet-divider-results {
  display: grid;
  gap: 12px;
}

.oomt-field-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.oomt-field-row input {
  flex: 1 1 180px;
  margin-bottom: 0;
}

.oomt-field-row .oomt-copy-btn,
.oomt-result-wrap .oomt-copy-btn {
  width: auto;
  align-self: flex-start;
}

.oomt-dns-results {
  margin-top: 12px;
  padding-top: 4px;
}

.oomt-dns-results ul {
  margin: 0 0 0 18px;
}

.oomt-message {
  min-height: 22px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--oomt-accent);
  font-size: 14px;
  line-height: 1.5;
  font-weight: 700;
}

.oomt-message:empty {
  display: none;
}

.oomt-message.is-success {
  background: rgba(15, 118, 110, 0.1);
  color: var(--oomt-success);
}

.oomt-message.is-error {
  background: rgba(180, 35, 24, 0.1);
  color: var(--oomt-danger);
}

.oomt-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(148, 163, 184, 0.45);
  border-top-color: var(--oomt-accent);
  animation: oomt-spin 0.8s linear infinite;
}

.oomt-spinner[hidden] {
  display: none;
  animation: none;
}

.oomt-form.is-loading {
  opacity: 0.92;
}

.oomt-binary-grid div {
  display: grid;
  gap: 6px;
  margin-bottom: 10px;
}

.oomt-binary-grid span,
.oomt-result-output {
  word-break: break-word;
  font-family: Consolas, Monaco, monospace;
}

.oomt-binary-grid span {
  display: block;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.04);
}

/* Explanation block — guaranteed readable spacing */
.oomt-subnet-summary,
.oomt-explanation,
.oomt-subnet-divide-results {
  margin-top: 12px;
  line-height: 1.7;
  font-size: 14px;
}

.oomt-subnet-summary,
.oomt-subnet-divide-results {
  padding: 16px;
  border: 1px solid rgba(37, 99, 235, 0.12);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(239, 246, 255, 0.92));
}

.oomt-subnet-summary p,
.oomt-subnet-divide-results p {
  margin: 0 0 10px;
}

.oomt-subnet-summary ul,
.oomt-subnet-divide-results ul {
  margin: 0;
  padding-left: 18px;
}

.oomt-explanation + .oomt-explanation {
  margin-top: 12px;
}

.oomt-explanation h4 {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.oomt-explanation p {
  margin: 0 0 12px;
  color: var(--oomt-muted);
  font-size: 14px;
  line-height: 1.65;
}

.oomt-explanation ul {
  margin: 0 0 4px;
  padding-left: 20px;
}

.oomt-explanation li {
  margin-bottom: 6px;
  font-size: 14px;
  line-height: 1.55;
}

/* Subnet divider separator */
.oomt-divider {
  border: 0;
  border-top: 1px solid var(--oomt-border);
  margin: 22px 0;
}

.oomt-divide-header {
  margin-top: 0;
}

.oomt-kicker-alt {
  background: rgba(124, 58, 237, 0.1);
  color: var(--oomt-accent-strong);
}

/* Subnet division results table */
.oomt-divide-output {
  overflow-x: hidden;
  border-radius: 16px;
}

.oomt-divide-table {
  width: 100%;
  min-width: 0;
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
  margin-top: 12px;
  font-size: 0.92rem;
  font-family: Consolas, Monaco, monospace;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--oomt-border);
  border-radius: 14px;
  overflow: hidden;
}

.oomt-divide-table th,
.oomt-divide-table td {
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--oomt-border);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.oomt-divide-table th {
  font-weight: 700;
  font-family: inherit;
  color: var(--oomt-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: rgba(37, 99, 235, 0.04);
}

.oomt-divide-table tr:last-child td {
  border-bottom: 0;
}

.oomt-divide-table tr:hover td {
  background: rgba(37, 99, 235, 0.04);
}

.oomt-divide-table code {
  display: inline-block;
  max-width: 100%;
  white-space: normal;
  word-break: break-word;
}

.oomt-subnet-divide-results p {
  margin: 0 0 10px;
  color: var(--oomt-muted);
}

.oomt-theme-dark .oomt-divide-table th {
  color: var(--oomt-muted);
}

.oomt-theme-dark .oomt-divide-table tr:hover td {
  background: rgba(96, 165, 250, 0.06);
}

.oomt-theme-dark .oomt-form select,
.oomt-theme-dark select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23b7c3d9' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
}

.oomt-theme-dark .oomt-form select:hover {
  border-color: rgba(96, 165, 250, 0.45);
  background-color: rgba(15, 23, 42, 0.95);
}

.oomt-tab-empty p {
  margin: 0;
  color: var(--oomt-muted);
}

[data-tooltip] {
  position: relative;
}

[data-tooltip]:hover::after,
[data-tooltip]:focus-visible::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 8px);
  transform: translateX(-50%);
  white-space: nowrap;
  padding: 6px 8px;
  border-radius: 8px;
  background: #0f172a;
  color: #fff;
  font-size: 0.75rem;
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.18);
}

.oomt-theme-dark {
  --oomt-bg: #08111f;
  --oomt-surface: #0f172a;
  --oomt-surface-soft: #111c34;
  --oomt-text: #eef4ff;
  --oomt-muted: #b7c3d9;
  --oomt-border: rgba(148, 163, 184, 0.18);
  --oomt-form-bg: rgba(15, 23, 42, 0.88);
  --oomt-form-text: #eef4ff;
  --oomt-form-placeholder: #b7c3d9;
  --oomt-form-border: rgba(148, 163, 184, 0.22);
  --oomt-form-border-hover: rgba(96, 165, 250, 0.45);
  --oomt-form-border-focus: #60a5fa;
  --oomt-form-ring: 0 0 0 4px rgba(96, 165, 250, 0.18);
  --oomt-form-disabled-bg: rgba(15, 23, 42, 0.65);
  --oomt-form-disabled-text: #94a3b8;
  background:
    radial-gradient(circle at top right, rgba(96, 165, 250, 0.16), transparent 0, transparent 30%),
    linear-gradient(180deg, rgba(8, 17, 31, 0.98), rgba(15, 23, 42, 0.98));
  color: var(--oomt-text);
}

.oomt-theme-dark .oomt-tool-card,
.oomt-theme-dark .oomt-tabs-nav,
.oomt-theme-dark .oomt-result-wrap,
.oomt-theme-dark .oomt-result-html,
.oomt-theme-dark .oomt-subnet-summary,
.oomt-theme-dark .oomt-explanation,
.oomt-theme-dark .oomt-result-field,
.oomt-theme-dark .oomt-tab-empty {
  background: rgba(15, 23, 42, 0.84);
  border-color: var(--oomt-border);
  color: var(--oomt-text);
}

.oomt-theme-dark .oomt-checkbox {
  border-color: var(--oomt-border);
  color: var(--oomt-text);
}

.oomt-theme-dark .oomt-tool-header p,
.oomt-theme-dark .oomt-label,
.oomt-theme-dark .oomt-tab-btn-meta {
  color: var(--oomt-muted);
}

.oomt-theme-dark textarea,
.oomt-theme-dark input,
.oomt-theme-dark select {
  background: rgba(15, 23, 42, 0.88);
  border-color: rgba(148, 163, 184, 0.22);
  color: var(--oomt-text);
}

.oomt-theme-dark .oomt-copy-btn,
.oomt-theme-dark .oomt-theme-toggle {
  background: rgba(96, 165, 250, 0.14);
  color: var(--oomt-text);
}

.oomt-theme-dark .oomt-message {
  background: rgba(96, 165, 250, 0.14);
  color: #93c5fd;
}

.oomt-flash {
  animation: oomt-flash 0.55s ease;
}

@keyframes oomt-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes oomt-flash {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.18);
  }

  100% {
    box-shadow: 0 0 0 10px rgba(37, 99, 235, 0);
  }
}

@media (max-width: 900px) {
  .oomt-suite-layout {
    grid-template-columns: 1fr;
  }

  .oomt-tabs-nav {
    flex-direction: row;
    overflow-x: auto;
  }

  .oomt-tab-btn {
    min-width: 180px;
  }
}

@media (max-width: 640px) {
  .oomt-tabs-wrapper,
  .oomt-tool-card {
    padding: 14px;
    border-radius: 18px;
  }

  .oomt-divide-table,
  .oomt-divide-table thead,
  .oomt-divide-table tbody,
  .oomt-divide-table th,
  .oomt-divide-table td,
  .oomt-divide-table tr {
    display: block;
    width: 100%;
  }

  .oomt-divide-table thead {
    display: none;
  }

  .oomt-divide-table tr {
    margin-bottom: 10px;
    border-bottom: 1px solid var(--oomt-border);
  }

  .oomt-divide-table td {
    border-bottom: 0;
    padding: 8px 10px;
  }

  .oomt-suite-header {
    flex-direction: column;
  }

  .oomt-suite-controls,
  .oomt-search-field,
  .oomt-tool-search {
    width: 100%;
  }

  .oomt-dns-form-row {
    grid-template-columns: 1fr;
  }

  .oomt-btn,
  .oomt-copy-btn,
  .oomt-theme-toggle,
  .oomt-tab-btn {
    min-height: 44px;
  }
}