/* Number Base Converter - Roberin compact renewal 20260616 */
.number-base-converter-container,
.number-base-converter-container *,
.number-base-converter-container *::before,
.number-base-converter-container *::after {
  box-sizing: border-box;
}

.number-base-converter-container {
  --nbc-shell: #faf2e8;
  --nbc-paper: #fff7e8;
  --nbc-panel: #fffdf7;
  --nbc-card: #fffaf1;
  --nbc-input: #fffdf8;
  --nbc-line: #6b5745;
  --nbc-line-soft: rgba(107, 87, 69, 0.28);
  --nbc-ink: #2b2119;
  --nbc-muted: #665648;
  --nbc-subtle: #8a7867;
  --nbc-primary: #f2e3d3;
  --nbc-primary-hover: #ead6bd;
  --nbc-green: #e3efd2;
  --nbc-blue: #dfeef8;
  --nbc-amber: #d2aa55;
  --nbc-red: #a43e2d;
  --nbc-red-soft: #f4dfd4;
  --nbc-shadow: 4px 4px 0 rgba(72, 55, 40, 0.22);
  --nbc-shadow-soft: 2px 2px 0 rgba(72, 55, 40, 0.14);
  position: relative;
  width: min(940px, calc(100vw - 32px));
  max-width: 940px;
  margin: 18px auto 42px;
  padding: 0;
  overflow: hidden;
  color: var(--nbc-ink);
  background:
    linear-gradient(rgba(107, 87, 69, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(107, 87, 69, 0.045) 1px, transparent 1px),
    var(--nbc-paper);
  background-size: 20px 20px, 20px 20px, auto;
  border: 2px solid var(--nbc-line);
  border-radius: 0;
  box-shadow: var(--nbc-shadow);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  line-height: 1.5;
}

html[data-scheme="dark"] .number-base-converter-container,
html[data-scheme="inverse"] .number-base-converter-container,
body[data-scheme="dark"] .number-base-converter-container,
body[data-scheme="inverse"] .number-base-converter-container,
.number-base-converter-container.dark {
  --nbc-shell: #201811;
  --nbc-paper: #2b2119;
  --nbc-panel: #33271d;
  --nbc-card: #3b2d21;
  --nbc-input: #241c15;
  --nbc-line: #a98b6b;
  --nbc-line-soft: rgba(169, 139, 107, 0.42);
  --nbc-ink: #f7ebd8;
  --nbc-muted: #ead8bd;
  --nbc-subtle: #ceb58f;
  --nbc-primary: #ead6b8;
  --nbc-primary-hover: #f0dfc5;
  --nbc-green: #344a32;
  --nbc-blue: #263c45;
  --nbc-amber: #d2aa55;
  --nbc-red: #d08b75;
  --nbc-red-soft: #5a3028;
  --nbc-shadow: 4px 4px 0 rgba(0, 0, 0, 0.34);
  --nbc-shadow-soft: 2px 2px 0 rgba(0, 0, 0, 0.24);
}

@media (prefers-color-scheme: dark) {
  html:not([data-scheme="light"]) body:not([data-scheme="light"]) .number-base-converter-container:not(.light) {
    --nbc-shell: #201811;
    --nbc-paper: #2b2119;
    --nbc-panel: #33271d;
    --nbc-card: #3b2d21;
    --nbc-input: #241c15;
    --nbc-line: #a98b6b;
    --nbc-line-soft: rgba(169, 139, 107, 0.42);
    --nbc-ink: #f7ebd8;
    --nbc-muted: #ead8bd;
    --nbc-subtle: #ceb58f;
    --nbc-primary: #ead6b8;
    --nbc-primary-hover: #f0dfc5;
    --nbc-green: #344a32;
    --nbc-blue: #263c45;
    --nbc-amber: #d2aa55;
    --nbc-red: #d08b75;
    --nbc-red-soft: #5a3028;
    --nbc-shadow: 4px 4px 0 rgba(0, 0, 0, 0.34);
    --nbc-shadow-soft: 2px 2px 0 rgba(0, 0, 0, 0.24);
  }
}
html[data-scheme="dark"] .number-base-rec__title,
html[data-scheme="inverse"] .number-base-rec__title,
body[data-scheme="dark"] .number-base-rec__title,
body[data-scheme="inverse"] .number-base-rec__title,
.number-base-converter-container.dark .number-base-rec__title {
  background:
    linear-gradient(135deg, rgba(51, 39, 29, 0.96), rgba(43, 33, 25, 0.92)),
    var(--nbc-paper);
}

html[data-scheme="dark"] .number-base-rec__title h2,
html[data-scheme="inverse"] .number-base-rec__title h2,
body[data-scheme="dark"] .number-base-rec__title h2,
body[data-scheme="inverse"] .number-base-rec__title h2,
html[data-scheme="dark"] .number-base-rec__title p:last-child,
html[data-scheme="inverse"] .number-base-rec__title p:last-child,
body[data-scheme="dark"] .number-base-rec__title p:last-child,
body[data-scheme="inverse"] .number-base-rec__title p:last-child,
.number-base-converter-container.dark .number-base-rec__title h2,
.number-base-converter-container.dark .number-base-rec__title p:last-child {
  color: var(--nbc-ink);
}

html[data-scheme="dark"] .sample-btn,
html[data-scheme="dark"] .btn-reset,
html[data-scheme="dark"] .copy-btn,
html[data-scheme="dark"] .clear-btn,
html[data-scheme="inverse"] .sample-btn,
html[data-scheme="inverse"] .btn-reset,
html[data-scheme="inverse"] .copy-btn,
html[data-scheme="inverse"] .clear-btn,
body[data-scheme="dark"] .sample-btn,
body[data-scheme="dark"] .btn-reset,
body[data-scheme="dark"] .copy-btn,
body[data-scheme="dark"] .clear-btn,
body[data-scheme="inverse"] .sample-btn,
body[data-scheme="inverse"] .btn-reset,
body[data-scheme="inverse"] .copy-btn,
body[data-scheme="inverse"] .clear-btn,
.number-base-converter-container.dark :is(.sample-btn, .btn-reset, .copy-btn, .clear-btn) {
  color: #2b2119;
  -webkit-text-fill-color: #2b2119;
}

html[data-scheme="dark"] .result-header,
html[data-scheme="inverse"] .result-header,
body[data-scheme="dark"] .result-header,
body[data-scheme="inverse"] .result-header,
.number-base-converter-container.dark .result-header {
  background: rgba(36, 28, 21, 0.72);
}

html[data-scheme="dark"] .result-value,
html[data-scheme="inverse"] .result-value,
body[data-scheme="dark"] .result-value,
body[data-scheme="inverse"] .result-value,
.number-base-converter-container.dark .result-value {
  color: var(--nbc-ink);
  background: rgba(36, 28, 21, 0.82);
}

html[data-scheme="dark"] .result-value.empty,
html[data-scheme="inverse"] .result-value.empty,
body[data-scheme="dark"] .result-value.empty,
body[data-scheme="inverse"] .result-value.empty,
.number-base-converter-container.dark .result-value.empty {
  color: var(--nbc-subtle);
}

html[data-scheme="dark"] .number-base-rec__notice,
html[data-scheme="inverse"] .number-base-rec__notice,
body[data-scheme="dark"] .number-base-rec__notice,
body[data-scheme="inverse"] .number-base-rec__notice,
.number-base-converter-container.dark .number-base-rec__notice {
  color: var(--nbc-muted);
  background: rgba(90, 70, 30, 0.28);
}

@media (prefers-color-scheme: dark) {
  html:not([data-scheme="light"]) body:not([data-scheme="light"]) .number-base-rec__title {
    background:
      linear-gradient(135deg, rgba(51, 39, 29, 0.96), rgba(43, 33, 25, 0.92)),
      var(--nbc-paper);
  }

  html:not([data-scheme="light"]) body:not([data-scheme="light"]) :is(.sample-btn, .btn-reset, .copy-btn, .clear-btn) {
    color: #2b2119;
    -webkit-text-fill-color: #2b2119;
  }

  html:not([data-scheme="light"]) body:not([data-scheme="light"]) .result-header {
    background: rgba(36, 28, 21, 0.72);
  }

  html:not([data-scheme="light"]) body:not([data-scheme="light"]) .result-value {
    color: var(--nbc-ink);
    background: rgba(36, 28, 21, 0.82);
  }

  html:not([data-scheme="light"]) body:not([data-scheme="light"]) .result-value.empty {
    color: var(--nbc-subtle);
  }

  html:not([data-scheme="light"]) body:not([data-scheme="light"]) .number-base-rec__notice {
    color: var(--nbc-muted);
    background: rgba(90, 70, 30, 0.28);
  }
}

.number-base-converter-container :where(button, input, select) {
  font: inherit;
  letter-spacing: 0;
}

.number-base-converter-container :where(button) {
  cursor: pointer;
}

.number-base-rec__title {
  display: grid;
  gap: 7px;
  padding: 18px 22px 17px;
  background:
    linear-gradient(135deg, rgba(255, 253, 248, 0.94), rgba(248, 229, 199, 0.88)),
    var(--nbc-paper);
}

.number-base-rec__kicker {
  margin: 0;
  color: var(--nbc-subtle);
  font-size: 12px;
  font-weight: 950;
  line-height: 1.1;
  text-transform: uppercase;
}

.number-base-rec__title h2 {
  margin: 0;
  color: var(--nbc-ink);
  font-size: clamp(25px, 3vw, 34px);
  font-weight: 950;
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.number-base-rec__title p:last-child {
  max-width: 720px;
  margin: 0;
  color: var(--nbc-muted);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.55;
  word-break: keep-all;
}

.number-base-rec__body {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 12px;
  padding: 14px;
  border-top: 2px solid var(--nbc-line);
}

.number-base-rec__panel {
  min-width: 0;
  padding: 13px;
  background: var(--nbc-panel);
  border: 2px solid var(--nbc-line);
  border-radius: 0;
  box-shadow: var(--nbc-shadow-soft);
}

.number-base-rec__result-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 9px;
  min-height: 0;
}

.number-base-rec__result-panel .number-base-rec__panel-head {
  margin-bottom: 0;
}

.number-base-rec__panel-head {
  display: grid;
  gap: 3px;
  margin-bottom: 10px;
}

.number-base-rec__panel-head h3,
.number-base-rec__panel-head h4 {
  margin: 0;
  color: var(--nbc-ink);
  font-size: 17px;
  font-weight: 950;
  line-height: 1.18;
}

.number-base-rec__panel-head p {
  margin: 0;
  color: var(--nbc-muted);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.45;
}

.number-base-rec__field-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.number-base-rec__field {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.number-base-rec__field--full {
  grid-column: 1 / -1;
}

.number-base-rec__label,
.input-label {
  display: block;
  margin: 0;
  color: var(--nbc-muted);
  font-size: 12px;
  font-weight: 950;
  line-height: 1.2;
}

.base-select,
.number-input {
  width: 100%;
  min-width: 0;
  min-height: 42px;
  margin: 0;
  color: var(--nbc-ink);
  background: var(--nbc-input);
  border: 2px solid var(--nbc-line);
  border-radius: 0;
  box-shadow: inset 0 0 0 1px rgba(107, 87, 69, 0.06);
  outline: none;
}

.base-select {
  padding: 8px 32px 8px 10px;
  font-size: 14px;
  font-weight: 900;
}

.number-input {
  padding: 9px 44px 9px 10px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 950 !important;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  text-transform: uppercase;
}

.number-input::placeholder {
  color: var(--nbc-subtle);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", sans-serif;
  font-size: 15px;
  font-weight: 700;
  opacity: 0.72;
  text-transform: none;
}

.base-select:focus,
.number-input:focus {
  outline: 2px solid var(--nbc-amber);
  outline-offset: 2px;
  background: var(--nbc-card);
}

.input-wrapper {
  position: relative;
}

.clear-btn {
  position: absolute;
  top: 50%;
  right: 7px;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  min-height: 30px;
  padding: 0;
  color: var(--nbc-muted);
  background: var(--nbc-primary);
  border: 1px solid var(--nbc-line);
  border-radius: 0;
  box-shadow: var(--nbc-shadow-soft);
}

.clear-btn:hover,
.clear-btn:focus-visible {
  color: var(--nbc-ink);
  background: var(--nbc-primary-hover);
}

.validation-message[hidden] {
  display: none;
}

.validation-message {
  grid-column: 1 / -1;
  min-height: 18px;
  margin: 0;
  color: var(--nbc-red);
  font-size: 12px;
  font-weight: 900;
  line-height: 1.35;
}

.number-base-rec__allowed {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 10px;
  align-items: center;
  margin-top: 2px;
  padding: 9px 10px;
  background: var(--nbc-card);
  border: 1px solid var(--nbc-line-soft);
}

.number-base-rec__allowed-label {
  color: var(--nbc-muted);
  font-size: 12px;
  font-weight: 950;
}

.allowed-chars {
  justify-self: start;
  padding: 3px 7px;
  color: var(--nbc-ink);
  background: var(--nbc-green);
  border: 1px solid var(--nbc-line);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 15px;
  font-weight: 950;
  line-height: 1.2;
}

.number-base-rec__allowed-note {
  grid-column: 1 / -1;
  color: var(--nbc-muted);
  font-size: 12px;
  font-weight: 750;
  line-height: 1.35;
}

.number-base-rec__samples {
  display: grid;
  gap: 7px;
  margin-top: 10px;
}

.number-base-rec__samples-title {
  margin: 0;
  color: var(--nbc-muted);
  font-size: 12px;
  font-weight: 950;
  line-height: 1.2;
}

.sample-buttons,
.number-base-rec__base-guide {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
}

.sample-btn,
.btn-reset,
.copy-btn,
.number-base-rec__hidden-trigger {
  border-radius: 0;
  font-weight: 950;
  line-height: 1.15;
}

.sample-btn,
.btn-reset {
  min-height: 38px;
  padding: 7px 8px;
  color: var(--nbc-ink);
  background: var(--nbc-primary);
  border: 1px solid var(--nbc-line);
  box-shadow: var(--nbc-shadow-soft);
  font-size: 12px;
}

.sample-btn:hover,
.sample-btn:focus-visible,
.btn-reset:hover,
.btn-reset:focus-visible,
.copy-btn:hover,
.copy-btn:focus-visible {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 rgba(72, 55, 40, 0.16);
}

.number-base-rec__actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  margin-top: 8px;
}

.number-base-rec__hidden-trigger {
  display: none !important;
}

.number-base-rec__base-guide {
  margin-top: 10px;
}

.number-base-rec__base-chip {
  min-width: 0;
  padding: 7px 6px;
  text-align: center;
  color: var(--nbc-muted);
  background: var(--nbc-card);
  border: 1px dashed var(--nbc-line-soft);
  font-size: 11px;
  font-weight: 900;
  line-height: 1.15;
}

.number-base-rec__base-chip strong {
  display: block;
  color: var(--nbc-ink);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
}

.number-base-rec__result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(112px, 1fr));
  align-content: stretch;
  gap: 8px;
  min-height: 0;
}

.result-item {
  min-width: 0;
  overflow: hidden;
  background: var(--nbc-card);
  border: 2px solid var(--nbc-line);
  border-radius: 0;
  box-shadow: var(--nbc-shadow-soft);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.result-item[data-base-result="10"] {
  background: var(--nbc-green);
}

.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 32px;
  padding: 5px 7px;
  border-bottom: 1px solid var(--nbc-line);
  background: rgba(255, 253, 247, 0.48);
}

.result-label {
  min-width: 0;
  color: var(--nbc-muted);
  font-size: 12px;
  font-weight: 950;
  line-height: 1.2;
}

.copy-btn {
  flex: 0 0 auto;
  min-height: 26px;
  padding: 4px 7px;
  color: var(--nbc-ink);
  background: var(--nbc-primary);
  border: 1px solid var(--nbc-line);
  box-shadow: var(--nbc-shadow-soft);
  font-size: 11px;
}

.copy-btn.is-copied {
  background: var(--nbc-green);
}

.result-value {
  display: flex;
  align-items: center;
  min-height: 72px;
  padding: 9px;
  color: var(--nbc-ink);
  background: rgba(255, 253, 247, 0.58);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: clamp(18px, 2vw, 23px);
  font-weight: 950;
  line-height: 1.12;
  font-variant-numeric: tabular-nums;
  word-break: break-all;
}

.result-value.empty {
  color: var(--nbc-subtle);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", sans-serif;
  font-size: 13px;
  font-weight: 800;
  font-style: normal;
}

.conversion-info {
  margin-top: 9px;
  background: var(--nbc-blue);
  border: 1px solid var(--nbc-line);
}

.info-header {
  padding: 7px 9px 0;
  color: var(--nbc-ink);
  font-size: 12px;
  font-weight: 950;
  line-height: 1.2;
}

.info-content {
  min-height: 48px;
  padding: 6px 9px 9px;
  color: var(--nbc-muted);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.55;
  word-break: keep-all;
}

.info-content strong {
  color: var(--nbc-ink);
  font-weight: 950;
}

.number-base-rec__notice {
  grid-column: 1 / -1;
  margin-top: 0;
  padding: 9px 11px;
  color: var(--nbc-muted);
  background: rgba(255, 242, 193, 0.62);
  border-left: 4px solid var(--nbc-amber);
  font-size: 12px;
  font-weight: 850;
  line-height: 1.45;
  word-break: keep-all;
}

@media (max-width: 760px) {
  .number-base-converter-container {
    width: min(100%, calc(100vw - 18px));
    margin: 12px auto 32px;
  }

  .number-base-rec__title {
    padding: 15px 14px 14px;
  }

  .number-base-rec__body {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 10px;
  }

  .number-base-rec__result-panel {
    display: block;
  }

  .number-base-rec__result-panel .number-base-rec__panel-head {
    margin-bottom: 10px;
  }

  .number-base-rec__field-grid,
  .number-base-rec__result-grid {
    grid-template-columns: 1fr;
  }

  .number-base-rec__result-grid {
    grid-template-rows: none;
    height: auto;
  }

  .result-item {
    grid-template-rows: auto auto;
  }

  .sample-buttons,
  .number-base-rec__base-guide {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .result-value {
    min-height: 44px;
  }
}

@media (max-width: 390px) {
  .number-base-converter-container {
    width: min(100%, calc(100vw - 12px));
  }

  .number-base-rec__body {
    padding: 8px;
  }

  .number-base-rec__panel {
    padding: 10px;
  }

  .number-base-rec__title h2 {
    font-size: 24px;
  }

  .number-base-rec__title p:last-child,
  .info-content {
    font-size: 12px;
  }

  .sample-btn,
  .btn-reset {
    min-height: 36px;
    padding-inline: 6px;
  }
}