:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-strong: #f0f5f4;
  --ink: #17212b;
  --muted: #5f6d7c;
  --line: #d8e0e8;
  --teal: #0f766e;
  --teal-dark: #115e59;
  --coral: #c2410c;
  --amber: #a16207;
  --focus: #2563eb;
  --shadow: 0 18px 55px rgba(23, 33, 43, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: linear-gradient(180deg, #f9fbfd 0%, #eef4f1 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
}

.app-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.topbar {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 10px 0 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-size: 1.05rem;
  font-weight: 760;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  color: #ffffff;
  background: var(--teal);
}

.tool-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.tool-tab {
  min-height: 38px;
  white-space: nowrap;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 14px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.72);
}

.tool-tab.active {
  color: var(--teal-dark);
  border-color: rgba(15, 118, 110, 0.35);
  background: #e6f4f1;
}

.tool-view {
  display: none;
}

.tool-view.active {
  display: block;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(300px, 390px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.tool-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.controls-panel {
  padding: 22px;
}

.result-panel {
  min-height: 560px;
  padding: 22px;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.panel-head.compact {
  align-items: center;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--coral);
  font-size: 0.75rem;
  font-weight: 800;
}

h1,
h2 {
  margin: 0;
  line-height: 1.15;
  letter-spacing: 0;
}

h1 {
  font-size: 1.65rem;
}

h2 {
  font-size: 1.25rem;
}

.entropy-pill {
  flex: 0 0 auto;
  min-width: 94px;
  border: 1px solid rgba(161, 98, 7, 0.32);
  border-radius: 999px;
  padding: 8px 11px;
  color: var(--amber);
  background: #fff7df;
  text-align: center;
  font-size: 0.84rem;
  font-weight: 800;
}

.tool-form {
  display: grid;
  gap: 18px;
}

.field-group {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.field-group label,
legend,
.switch-row span {
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 720;
}

.field-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.number-input,
.text-input,
.select-input {
  width: 84px;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 11px;
  color: var(--ink);
  background: #ffffff;
}

.number-input.full,
.text-input,
.select-input {
  width: 100%;
  margin-top: 9px;
}

.number-input:focus,
.text-input:focus,
.select-input:focus,
.range-input:focus,
.choice input:focus-visible,
.switch-row input:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.22);
  outline-offset: 2px;
}

.range-input {
  width: 100%;
  accent-color: var(--teal);
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.choice {
  display: flex;
  min-height: 46px;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 11px;
  background: var(--surface);
}

.choice input,
.switch-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--teal);
}

.choice span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.switch-row {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid rgba(15, 118, 110, 0.18);
  border-radius: 8px;
  padding: 0 12px;
  background: var(--surface-strong);
}

.primary-button,
.secondary-button,
.ghost-button,
.copy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  border-radius: 8px;
  font-weight: 780;
}

.primary-button {
  width: 100%;
  border: 0;
  color: #ffffff;
  background: var(--teal);
}

.primary-button:hover {
  background: var(--teal-dark);
}

.primary-button.loading,
.secondary-button.loading {
  opacity: 0.75;
}

.secondary-button {
  width: 100%;
  border: 1px solid rgba(15, 118, 110, 0.28);
  color: var(--teal-dark);
  background: #effaf7;
}

.ghost-button {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  padding: 0 13px;
  color: var(--teal-dark);
  background: #ffffff;
}

.button-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
}

.status-line {
  min-height: 24px;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.92rem;
}

.status-line[data-tone="success"] {
  color: var(--teal-dark);
}

.status-line[data-tone="error"] {
  color: var(--coral);
}

.password-list,
.record-list,
.timestamp-result {
  display: grid;
  gap: 10px;
}

.password-row,
.record-section,
.metric-row {
  display: grid;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.password-row {
  grid-template-columns: minmax(0, 1fr) 44px;
  align-items: center;
  min-height: 58px;
  padding: 10px 10px 10px 14px;
}

.record-section {
  padding: 13px;
}

.record-section h3 {
  margin: 0;
  color: var(--coral);
  font-size: 0.78rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.record-values {
  display: grid;
  gap: 8px;
}

.record-value {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 36px;
  gap: 8px;
  align-items: center;
}

.metric-row {
  grid-template-columns: 112px minmax(0, 1fr) 36px;
  align-items: center;
  min-height: 52px;
  padding: 9px 9px 9px 13px;
}

.metric-row span {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 720;
}

.password-row code,
.record-value code,
.metric-row code {
  min-width: 0;
  color: var(--ink);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, ui-monospace, monospace;
  font-size: 1rem;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.copy-button {
  width: 44px;
  border: 1px solid rgba(15, 118, 110, 0.28);
  color: var(--teal-dark);
  background: #effaf7;
}

.copy-button.small {
  width: 36px;
  min-height: 36px;
}

.empty-state {
  min-height: 28px;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 820px) {
  .app-shell {
    width: min(100% - 20px, 680px);
    padding-top: 14px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .result-panel {
    min-height: 420px;
  }
}

@media (max-width: 480px) {
  .controls-panel,
  .result-panel {
    padding: 16px;
  }

  .panel-head {
    flex-direction: column;
    align-items: stretch;
  }

  .panel-head.compact {
    align-items: stretch;
  }

  .choice-grid {
    grid-template-columns: 1fr;
  }

  .button-row {
    grid-template-columns: 1fr;
  }

  .metric-row {
    grid-template-columns: 1fr 36px;
  }

  .metric-row span {
    grid-column: 1 / -1;
  }

  .entropy-pill,
  .ghost-button {
    width: 100%;
  }
}