:root {
  /* Functional Colors */
  --color-primary: #1bbc9b;
  --color-primary-hover: #11a486;
  --color-secondary: #0490da;
  --color-secondary-hover: #007fc2;
  --color-tertiary: #abadcf;

  /* Background Colors */
  --bg-900: #151521;
  --bg-800: #1e1e2d;
  --bg-700: #2a2a3c;

  /* Typography Colors */
  --text-primary: #ffffff;
  --text-secondary: #858d97;

  /* System Colors */
  --color-success: #50cd89;
  --color-warning: #ffc700;
  --color-error: #f1416c;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 64px;

  /* Layout */
  --margin-desktop: 100px;
  --margin-mobile: 16px;
}

/* Ensure the HTML5 hidden attribute always wins over flex/grid display rules */
[hidden] {
  display: none !important;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-900);
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

.page {
  margin: 0 auto;
  padding: var(--space-2xl) var(--margin-desktop);
  max-width: 1280px;
}

@media (max-width: 768px) {
  .page {
    padding: var(--space-xl) var(--margin-mobile);
  }
}

.page__header {
  margin-bottom: var(--space-xl);
}

.subtitle {
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 0 0 var(--space-sm);
}

h1 {
  color: var(--text-primary);
  font-size: 44px;
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 var(--space-md);
}

h2 {
  color: var(--text-primary);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  margin: 0;
}

.lede {
  font-size: 20px;
  line-height: 1.6;
  margin: 0;
  max-width: 70ch;
}

.lede strong {
  color: var(--text-primary);
  font-weight: 600;
}

.privacy-note {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin: var(--space-md) 0 0;
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.4;
}

.privacy-note__icon {
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  display: inline-block;
}

/* Card */
.card {
  background-color: var(--bg-800);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.card__title {
  margin-bottom: var(--space-lg);
}

/* Additional Tools grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-md);
}

.tool-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  background-color: var(--bg-700);
  border: 1px solid transparent;
  padding: var(--space-md);
  text-decoration: none;
  transition: border-color 120ms ease, background-color 120ms ease;
}

.tool-card:hover {
  border-color: var(--color-primary);
  background-color: var(--bg-700);
}

.tool-card__icon {
  font-size: 28px;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}

.tool-card__name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.tool-card__desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Dropzone */
.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  background-color: var(--bg-700);
  border: 2px dashed var(--color-tertiary);
  padding: var(--space-2xl) var(--space-xl);
  cursor: pointer;
  text-align: center;
  transition: border-color 120ms ease, background-color 120ms ease;
}

.dropzone:hover,
.dropzone:focus-visible,
.dropzone.is-active {
  border-color: var(--color-primary);
  background-color: var(--bg-700);
  outline: none;
}

.dropzone.is-active {
  background-color: rgba(27, 188, 155, 0.08);
}

.dropzone__icon {
  width: 44px;
  height: 44px;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.dropzone__primary {
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}

.dropzone__secondary {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0;
}

/* Progress */
.progress {
  margin-top: var(--space-lg);
}

.progress__label {
  display: flex;
  justify-content: space-between;
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: var(--space-sm);
}

.progress__track {
  width: 100%;
  height: 8px;
  background-color: var(--bg-700);
  overflow: hidden;
}

.progress__bar {
  height: 100%;
  width: 0%;
  background-color: var(--color-primary);
  transition: width 120ms ease;
}

/* Alerts */
.alerts {
  margin-top: var(--space-lg);
}

.alert {
  padding: var(--space-md) var(--space-lg);
  border-left: 4px solid var(--color-tertiary);
  background-color: var(--bg-700);
  color: var(--text-primary);
  font-size: 14px;
  margin-bottom: var(--space-sm);
}

.alert--success {
  border-left-color: var(--color-success);
}

.alert--error {
  border-left-color: var(--color-error);
}

.alert--warning {
  border-left-color: var(--color-warning);
}

/* Results */
.results__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.results__header .card__title {
  margin: 0;
}

.results__header .results__summary {
  flex-basis: 100%;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  padding: 8px 16px;
  height: 40px;
  border-radius: 1px;
  cursor: pointer;
  transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease;
}

.btn--primary {
  background-color: var(--color-primary);
  border: 1px solid var(--color-primary);
  color: var(--text-primary);
}

.btn--primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn--secondary {
  background-color: transparent;
  border: 1px solid var(--color-primary);
  color: var(--text-primary);
}

.btn--secondary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.results__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-tertiary);
  border-radius: 1px;
  color: var(--color-tertiary);
  cursor: pointer;
  transition: color 120ms ease, border-color 120ms ease, background-color 120ms ease;
}

.icon-btn:hover,
.icon-btn:focus-visible {
  color: var(--text-primary);
  border-color: var(--color-primary);
  background-color: var(--color-primary);
  outline: none;
}

.data-table__action {
  width: 1%;
  white-space: nowrap;
  text-align: right;
}

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

.results__summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
  margin: var(--space-lg) 0 0;
}

.results__summary > div {
  background-color: var(--bg-700);
  padding: var(--space-md);
}

.results__summary__name {
  grid-column: 1 / -1;
}

.results__summary dt {
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}

.results__summary dd {
  margin: 0;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 600;
  word-break: break-all;
}

/* Table */
.table-wrap {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  color: var(--text-secondary);
}

.data-table thead th {
  text-align: left;
  padding: var(--space-md);
  background-color: var(--bg-700);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.data-table tbody td {
  padding: var(--space-md);
  border-bottom: 1px solid var(--bg-700);
  word-break: break-all;
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table__num {
  text-align: right;
  white-space: nowrap;
}

.data-table__group {
  cursor: pointer;
}

.data-table__group:hover th,
.data-table__group:focus-visible th {
  background-color: var(--bg-800);
  outline: none;
}

.data-table__group th {
  padding: var(--space-md);
  background-color: var(--bg-700);
  border-bottom: 1px solid var(--bg-900);
  text-align: left;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  user-select: none;
}

.data-table__group-caret {
  display: inline-block;
  width: 14px;
  margin-right: var(--space-sm);
  color: var(--color-primary);
  font-size: 12px;
  transition: transform 120ms ease;
}

.data-table__group-label {
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 600;
  word-break: break-all;
}

.data-table__group-meta {
  display: inline-block;
  margin-left: var(--space-sm);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}

.data-table__ext-group {
  cursor: pointer;
}

.data-table__ext-group:hover .data-table__ext-label,
.data-table__ext-group:focus-visible .data-table__ext-label {
  background-color: rgba(255,255,255,0.03);
  outline: none;
}

.data-table__ext-label {
  padding: 4px var(--space-md) 4px var(--space-xl);
  background-color: transparent;
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--bg-700);
  user-select: none;
}

.data-table__ext-caret {
  display: inline-block;
  width: 12px;
  margin-right: var(--space-sm);
  font-size: 10px;
  color: var(--text-secondary);
}

.data-table__file {
  padding-left: 52px !important;
  color: var(--text-primary);
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  background-color: var(--bg-700);
  border: 1px solid var(--color-tertiary);
}

.badge--dir {
  border-color: var(--color-secondary);
}