:root {
  color-scheme: light dark;
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-muted: #f7f9fc;
  --text: #172033;
  --muted: #5f6b7a;
  --border: #dbe2ea;
  --border-strong: #b8c4d1;
  --accent: #155eef;
  --accent-strong: #004eeb;
  --accent-soft: #eef4ff;
  --success: #067647;
  --success-soft: #ecfdf3;
  --warning: #b54708;
  --warning-soft: #fffaeb;
  --danger: #b42318;
  --danger-soft: #fef3f2;
  --shadow: 0 18px 45px rgb(15 23 42 / 10%);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

button,
input,
select {
  font: inherit;
}

a {
  color: inherit;
}

code {
  padding: 0.08rem 0.3rem;
  border-radius: 5px;
  background: var(--surface-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
}

.skip-link {
  position: absolute;
  z-index: 100;
  top: -100px;
  left: 1rem;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
  color: white;
  background: var(--accent);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
}

.site-header__inner,
.page-shell,
.site-footer {
  width: min(100% - 2rem, 980px);
  margin-inline: auto;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
  text-decoration: none;
}

.brand__mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 11px;
  color: white;
  background: var(--accent);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  margin-top: 0.05rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.privacy-badge,
.format-badge {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding-inline: 0.65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface-muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.page-shell {
  padding-block: 3.75rem;
}

.intro {
  max-width: 720px;
  margin-bottom: 2rem;
}

.eyebrow {
  margin: 0 0 0.4rem;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.intro h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.intro > p:last-child {
  max-width: 660px;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.tool-card,
.security-summary {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}


.tool-family-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 0.6rem;
  border-bottom: 1px solid var(--border);
  gap: 0.6rem;
}

.tool-family-tab {
  display: flex;
  min-width: 0;
  min-height: 72px;
  align-items: center;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: 13px;
  color: var(--text);
  background: var(--surface-muted);
  cursor: pointer;
  gap: 0.8rem;
  text-align: left;
}

.tool-family-tab[aria-selected="true"] {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  background: var(--accent-soft);
}

.tool-family-tab__icon {
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 11px;
  background: var(--surface);
  font-size: 1.15rem;
}

.tool-family-tab strong,
.tool-family-tab small {
  display: block;
}

.tool-family-tab small {
  margin-top: 0.15rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
}

.mode-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 0.45rem;
  border-bottom: 1px solid var(--border);
  gap: 0.45rem;
}

.mode-tab {
  min-height: 48px;
  border: 0;
  border-radius: 11px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-weight: 750;
}

.mode-tab[aria-selected="true"] {
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.tool-family-tab:focus-visible,
.mode-tab:focus-visible,
.button:focus-visible,
.password-toggle:focus-visible,
.dropzone:focus-within,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 35%, transparent);
  outline-offset: 2px;
}

.tool-panel {
  padding: clamp(1.15rem, 4vw, 2rem);
}

.panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  gap: 1rem;
}

.panel-heading h2,
.security-summary h2 {
  margin: 0;
  font-size: 1.3rem;
}

.panel-heading p,
.security-summary__heading p {
  margin: 0.3rem 0 0;
  color: var(--muted);
}

.form-section {
  margin-bottom: 1.5rem;
}

.dropzone {
  display: grid;
  min-height: 205px;
  place-items: center;
  align-content: center;
  padding: 1.5rem;
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--surface-muted);
  cursor: pointer;
  gap: 0.35rem;
  text-align: center;
  transition:
    border-color 120ms ease,
    background-color 120ms ease,
    transform 120ms ease;
}

.dropzone:hover,
.dropzone--active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.dropzone--active {
  transform: translateY(-1px);
}

.dropzone__icon {
  display: grid;
  width: 48px;
  height: 48px;
  margin-bottom: 0.25rem;
  place-items: center;
  border-radius: 50%;
  color: var(--accent);
  background: var(--accent-soft);
  font-size: 1.5rem;
  font-weight: 800;
}

.dropzone > span:not(.dropzone__icon, .button) {
  color: var(--muted);
  font-size: 0.92rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.65rem 0.95rem;
  border: 1px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 750;
  line-height: 1;
  text-decoration: none;
  transition:
    transform 120ms ease,
    background-color 120ms ease,
    border-color 120ms ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.button--primary {
  color: white;
  background: var(--accent);
}

.button--primary:hover:not(:disabled) {
  background: var(--accent-strong);
}

.button--secondary,
.button--quiet {
  border-color: var(--border);
  color: var(--text);
  background: var(--surface);
}

.button--secondary {
  min-height: 38px;
  margin-top: 0.65rem;
  font-size: 0.88rem;
}

.button--quiet {
  min-height: 36px;
  padding-inline: 0.7rem;
  font-size: 0.84rem;
}

.button--success {
  border-color: color-mix(in srgb, var(--success) 24%, var(--border));
  color: var(--success);
  background: var(--success-soft);
}

.button--busy {
  cursor: progress;
}

.file-meta {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  margin-top: 0.75rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  gap: 0.65rem;
}

.file-meta__name {
  overflow: hidden;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-meta__size {
  color: var(--muted);
  font-size: 0.88rem;
}

.inline-warning {
  margin: 0.65rem 0 0;
  padding: 0.65rem 0.8rem;
  border-radius: var(--radius-sm);
  color: var(--warning);
  background: var(--warning-soft);
  font-size: 0.88rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.field {
  min-width: 0;
}

.field--single {
  max-width: 560px;
}

.field label {
  display: inline-block;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  font-weight: 750;
}

.password-field {
  display: flex;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--surface);
}

.password-field:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 12%, transparent);
}

.password-field input {
  width: 100%;
  min-width: 0;
  height: 46px;
  padding: 0.7rem 0.8rem;
  border: 0;
  outline: none;
  color: var(--text);
  background: transparent;
}

.password-toggle {
  min-width: 58px;
  border: 0;
  border-left: 1px solid var(--border);
  color: var(--accent);
  background: transparent;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 750;
}

.field-help {
  margin: 0.55rem 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.field-help[data-state="valid"] {
  color: var(--success);
}

.field-help[data-state="invalid"] {
  color: var(--danger);
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  margin-top: 1.5rem;
  gap: 0.7rem;
}

.status {
  margin: 1rem 0 0;
  padding: 0.8rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
}

.status[data-type="info"] {
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.status[data-type="success"] {
  color: var(--success);
  background: var(--success-soft);
}

.status[data-type="warning"] {
  color: var(--warning);
  background: var(--warning-soft);
}

.status[data-type="error"] {
  color: var(--danger);
  background: var(--danger-soft);
}

.security-summary {
  margin-top: 1.25rem;
  padding: clamp(1.15rem, 4vw, 1.7rem);
  box-shadow: none;
}

.security-summary__heading {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
}

.security-summary__icon {
  font-size: 1.45rem;
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 1.35rem 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-muted);
}

.security-grid > div {
  padding: 0.9rem;
}

.security-grid > div + div {
  border-left: 1px solid var(--border);
}

.security-grid dt {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 750;
  text-transform: uppercase;
}

.security-grid dd {
  margin: 0.25rem 0 0;
  font-size: 0.9rem;
  font-weight: 750;
}

details {
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

summary {
  width: fit-content;
  cursor: pointer;
  font-weight: 750;
}

.details-content {
  max-width: 800px;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer {
  padding: 0 0 2rem;
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

[hidden] {
  display: none !important;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1420;
    --surface: #131d2b;
    --surface-muted: #182333;
    --text: #edf2f7;
    --muted: #a8b4c4;
    --border: #2c3b4f;
    --border-strong: #42546b;
    --accent: #72a2ff;
    --accent-strong: #9dbdff;
    --accent-soft: #172b50;
    --success: #6ce9a6;
    --success-soft: #11362a;
    --warning: #fec84b;
    --warning-soft: #3b2b12;
    --danger: #fda29b;
    --danger-soft: #421c1c;
    --shadow: 0 20px 55px rgb(0 0 0 / 28%);
  }
}

@media (max-width: 760px) {
  .site-header__inner {
    align-items: flex-start;
    padding-block: 0.85rem;
  }

  .header-actions {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .privacy-badge {
    display: none;
  }

  .page-shell {
    padding-block: 2.4rem;
  }

  .form-grid,
  .security-grid {
    grid-template-columns: 1fr;
  }

  .security-grid > div + div {
    border-top: 1px solid var(--border);
    border-left: 0;
  }
}

@media (max-width: 520px) {
  .site-header__inner {
    display: block;
  }

  .header-actions {
    justify-content: flex-start;
    margin-top: 0.8rem;
  }

  .panel-heading {
    display: block;
  }

  .format-badge {
    margin-top: 0.75rem;
  }

  .dropzone {
    min-height: 180px;
  }

  .file-meta {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .file-meta__size {
    grid-column: 2;
  }

  .action-row .button {
    width: 100%;
  }
}

.text-input {
  width: 100%;
  min-height: 46px;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  color: var(--text);
  background: var(--surface);
}

.text-input:focus-visible {
  border-color: var(--accent);
  outline: 3px solid color-mix(in srgb, var(--accent) 18%, transparent);
  outline-offset: 1px;
}

.form-grid--archive {
  margin-bottom: 1rem;
}

.selection-actions {
  display: flex;
  flex-wrap: wrap;
  margin-top: 0.75rem;
  gap: 0.6rem;
}

.selection-actions .button--secondary {
  margin-top: 0;
}

.archive-selection {
  margin-top: 0.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-muted);
}

.archive-selection__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
}

.archive-selection__summary span {
  color: var(--muted);
  font-size: 0.86rem;
}

.file-list,
.extract-list {
  max-height: 260px;
  margin: 0;
  padding: 0;
  overflow: auto;
  list-style: none;
}

.file-list li,
.extract-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  padding: 0.65rem 0.9rem;
  gap: 0.8rem;
}

.file-list li + li,
.extract-list li + li {
  border-top: 1px solid var(--border);
}

.file-list__path,
.extract-list__path {
  min-width: 0;
  overflow: hidden;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-list__size,
.extract-list__size {
  color: var(--muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

.archive-security-note {
  display: flex;
  align-items: flex-start;
  margin-top: 1rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid color-mix(in srgb, var(--success) 22%, var(--border));
  border-radius: var(--radius-sm);
  background: var(--success-soft);
  gap: 0.7rem;
}

.archive-security-note strong,
.archive-security-note span {
  display: block;
}

.archive-security-note span {
  margin-top: 0.15rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.extract-results {
  margin-top: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-muted);
}

.extract-results__heading {
  padding: 0.85rem 0.9rem;
  border-bottom: 1px solid var(--border);
}

.extract-results__heading h3,
.extract-results__heading p {
  margin: 0;
}

.extract-results__heading p {
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.extract-list a {
  min-height: 34px;
  padding: 0.45rem 0.65rem;
  font-size: 0.78rem;
}

.security-profile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 1.35rem 0;
  gap: 1rem;
}

.security-profile {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-muted);
}

.security-profile h3 {
  margin: 0;
  padding: 0.85rem 0.9rem 0;
  font-size: 1rem;
}

.security-grid--profile {
  grid-template-columns: 1fr 1fr;
  margin: 0.75rem;
  background: var(--surface);
}

.security-grid--profile > div:nth-child(3) {
  border-top: 1px solid var(--border);
  border-left: 0;
}

.security-grid--profile > div:nth-child(4) {
  border-top: 1px solid var(--border);
}

@media (max-width: 760px) {
  .tool-family-tabs,
  .security-profile-grid {
    grid-template-columns: 1fr;
  }

  .security-grid--profile {
    grid-template-columns: 1fr 1fr;
  }

  .security-grid--profile > div + div {
    border-top: 0;
    border-left: 1px solid var(--border);
  }

  .security-grid--profile > div:nth-child(3) {
    border-top: 1px solid var(--border);
    border-left: 0;
  }

  .security-grid--profile > div:nth-child(4) {
    border-top: 1px solid var(--border);
  }
}

@media (max-width: 520px) {
  .archive-selection__summary {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.2rem;
  }

  .security-grid--profile {
    grid-template-columns: 1fr;
  }

  .security-grid--profile > div + div,
  .security-grid--profile > div:nth-child(3),
  .security-grid--profile > div:nth-child(4) {
    border-top: 1px solid var(--border);
    border-left: 0;
  }
}