@font-face {
  font-family: "Inter Variable";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url("/assets/fonts/inter-latin-wght-normal.woff2") format("woff2-variations");
}

@font-face {
  font-family: "Space Grotesk Variable";
  font-style: normal;
  font-display: swap;
  font-weight: 300 700;
  src: url("/assets/fonts/space-grotesk-latin-wght-normal.woff2") format("woff2-variations");
}

:root {
  color-scheme: light;
  --sc-primary: #2557c7;
  --sc-primary-rgb: 37, 87, 199;
  --sc-primary-hover: #1d469f;
  --sc-primary-soft: #e8efff;
  --sc-secondary: #102033;
  --sc-secondary-rgb: 16, 32, 51;
  --sc-accent: #087a76;
  --sc-accent-soft: #def7f3;
  --sc-success: #128a49;
  --sc-danger: #c2413b;
  --sc-text: #111827;
  --sc-muted: #647084;
  --sc-surface: #ffffff;
  --sc-surface-rgb: 255, 255, 255;
  --sc-surface-alt: #f6f8fb;
  --sc-surface-soft: #eef4fb;
  --sc-border: #d9e2ee;
  --sc-border-strong: #8ea0b8;
  --sc-font-sans: "Inter Variable", "Inter", "Segoe UI", Roboto, Arial, sans-serif;
  --sc-font-display: "Space Grotesk Variable", "Space Grotesk", "Inter Variable", "Inter", "Segoe UI", sans-serif;
  --sc-radius-sm: 4px;
  --sc-radius-md: 8px;
  --sc-shadow-sm: 0 8px 24px rgba(var(--sc-secondary-rgb), 0.08);
  --sc-shadow-md: 0 18px 48px rgba(var(--sc-secondary-rgb), 0.12);
  --bg: var(--sc-surface-alt);
  --surface: var(--sc-surface);
  --surface-soft: var(--sc-surface-soft);
  --surface-strong: var(--sc-secondary);
  --border: var(--sc-border);
  --border-strong: var(--sc-border-strong);
  --text: var(--sc-text);
  --muted: var(--sc-muted);
  --primary: var(--sc-primary);
  --primary-strong: var(--sc-primary-hover);
  --primary-soft: var(--sc-primary-soft);
  --danger: var(--sc-danger);
  --danger-soft: #fff0ee;
  --ok: var(--sc-success);
  --ok-soft: #ecfdf3;
  --focus: rgba(var(--sc-primary-rgb), 0.2);
  --shadow: var(--sc-shadow-md);
  --shadow-soft: var(--sc-shadow-sm);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 var(--sc-font-sans);
  letter-spacing: 0;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  color: var(--primary-strong);
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(var(--sc-surface-rgb), 0.94);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 24px;
}

.app-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.brand {
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-right: 12px;
}

.brand:hover {
  color: var(--text);
}

.brand-logo {
  display: block;
  height: auto;
  object-fit: contain;
  width: clamp(142px, 15vw, 184px);
}

.brand-product {
  border-left: 1px solid var(--border);
  display: grid;
  gap: 2px;
  padding-left: 12px;
}

.brand-product strong,
.login-brand strong {
  color: var(--sc-secondary);
  display: block;
  font-family: var(--sc-font-display);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.05;
}

.brand small {
  color: var(--muted);
  display: block;
  font-size: 11px;
  margin-top: 2px;
}

.nav-link {
  min-height: 36px;
  border-radius: 8px;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 12px;
  font-weight: 650;
}

.nav-link:hover {
  background: var(--surface-soft);
}

.nav-link.active {
  background: var(--primary-soft);
  color: var(--primary);
}

.user-menu {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  margin: 0;
}

.app-main {
  width: min(1160px, calc(100% - 40px));
  margin: 28px auto 52px;
}

.auth-main {
  width: min(440px, calc(100% - 32px));
  margin: 9vh auto;
}

.app-footer,
.auth-footer {
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.app-footer {
  margin: -28px auto 32px;
  width: min(1160px, calc(100% - 40px));
}

.auth-footer {
  margin: -5vh auto 32px;
  width: min(440px, calc(100% - 32px));
}

h1 {
  font-family: var(--sc-font-display);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.2;
  margin: 0;
}

h2 {
  font-family: var(--sc-font-display);
  font-size: 18px;
  font-weight: 700;
  margin: 20px 0 12px;
}

p {
  margin: 12px 0;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.page-title {
  display: grid;
  gap: 5px;
}

.eyebrow {
  color: var(--sc-accent);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

.muted {
  color: var(--muted);
}

.mt-16 {
  margin-top: 16px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
  padding: 18px;
}

.form-panel {
  width: min(760px, 100%);
}

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

.search-box {
  flex: 1;
  min-width: min(360px, 100%);
  margin: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.count-pill {
  align-items: center;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  display: inline-flex;
  font-size: 12px;
  font-weight: 750;
  min-height: 28px;
  padding: 4px 9px;
  white-space: nowrap;
}

.form-actions {
  position: sticky;
  bottom: 0;
  background: rgba(238, 242, 247, 0.92);
  border-top: 1px solid var(--border);
  padding: 14px 0 0;
  margin-top: 16px;
  backdrop-filter: blur(12px);
}

label {
  color: #334155;
  display: block;
  font-size: 13px;
  font-weight: 700;
  margin: 0 0 6px;
}

input,
select {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--border-strong);
  background: #ffffff;
  border-radius: 7px;
  color: var(--text);
  padding: 9px 10px;
  outline: none;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}

input:focus,
select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--focus);
}

input[type="file"] {
  padding: 8px;
}

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

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

th,
td {
  padding: 11px 13px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
}

th {
  background: var(--surface-soft);
  color: #475569;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

tbody tr:last-child td {
  border-bottom: 0;
}

tbody tr:hover {
  background: #fbfdff;
}

.cell-id {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  width: 64px;
}

.cell-date {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.button,
button {
  appearance: none;
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #ffffff;
  padding: 8px 12px;
  border-radius: 7px;
  cursor: pointer;
  font: inherit;
  font-weight: 750;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 36px;
  white-space: nowrap;
  transition: background 120ms ease, border-color 120ms ease, box-shadow 120ms ease, color 120ms ease;
}

.button:hover,
button:hover {
  background: var(--primary-strong);
  border-color: var(--primary-strong);
  color: #ffffff;
}

.button[aria-disabled="true"],
button[aria-disabled="true"] {
  background: #c7d2e4;
  border-color: #c7d2e4;
  color: #ffffff;
}

.button.secondary,
button.secondary {
  background: #ffffff;
  border-color: var(--border-strong);
  color: var(--text);
}

.button.secondary:hover,
button.secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: #ffffff;
}

.button.ghost,
button.ghost {
  background: transparent;
  border-color: transparent;
  color: var(--muted);
}

.button.ghost:hover,
button.ghost:hover {
  background: var(--surface-soft);
  color: var(--text);
}

.button.danger,
button.danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #ffffff;
}

.button.danger:hover,
button.danger:hover {
  background: #8f1f16;
  border-color: #8f1f16;
}

.notice {
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.notice.ok {
  border-color: #9bdabd;
  background: var(--ok-soft);
  color: var(--ok);
}

.notice.error {
  border-color: #f2b8b2;
  background: var(--danger-soft);
  color: var(--danger);
}

fieldset {
  border: 1px solid var(--border);
  background: var(--surface);
  margin: 14px 0;
  padding: 14px;
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
}

legend {
  color: #26354d;
  font-weight: 800;
  padding: 0 6px;
}

.replace-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 10px;
  align-items: end;
  margin-top: 10px;
}

.transform-flow {
  display: grid;
  gap: 16px;
  width: min(920px, 100%);
}

.step-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
  padding: 18px;
}

.step-heading {
  align-items: flex-start;
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
}

.step-heading h2 {
  margin: 0;
}

.step-heading p {
  margin: 3px 0 0;
}

.step-number {
  align-items: center;
  background: var(--primary-soft);
  border-radius: 8px;
  color: var(--primary);
  display: inline-flex;
  flex: 0 0 auto;
  font-weight: 850;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.format-picker {
  display: grid;
  gap: 8px;
  margin-top: 12px;
  max-height: 360px;
  overflow: auto;
  padding-right: 4px;
}

.selectable-table {
  margin-top: 12px;
}

.selectable-row {
  cursor: pointer;
}

.selectable-row:focus {
  outline: 3px solid var(--focus);
  outline-offset: -3px;
}

.selectable-row.selected {
  background: var(--primary-soft);
}

.selectable-row.selected td {
  border-bottom-color: #b9cbff;
}

.sort-button {
  background: transparent;
  border: 0;
  color: inherit;
  font: inherit;
  font-size: 12px;
  font-weight: 800;
  justify-content: flex-start;
  min-height: 0;
  padding: 0;
  text-transform: uppercase;
}

.sort-button:hover {
  background: transparent;
  color: var(--primary);
}

.sort-button::after {
  content: "↕";
  color: var(--muted);
  font-size: 11px;
  margin-left: 6px;
}

.sort-button[data-direction="asc"]::after {
  content: "↑";
}

.sort-button[data-direction="desc"]::after {
  content: "↓";
}

.format-option {
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--border);
  color: var(--text);
  display: flex;
  justify-content: space-between;
  min-height: 58px;
  padding: 10px 12px;
  text-align: left;
  width: 100%;
}

.format-option:hover {
  background: var(--surface-soft);
  border-color: var(--border-strong);
  color: var(--text);
}

.format-option.selected {
  background: var(--primary-soft);
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--focus);
}

.format-option strong,
.format-option small {
  display: block;
}

.format-option small {
  color: var(--muted);
  font-weight: 600;
  margin-top: 2px;
}

.format-summary {
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: grid;
  gap: 12px;
  margin-top: 14px;
  padding: 14px;
}

.format-summary dl {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 0;
}

.format-summary dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.format-summary dd {
  font-weight: 750;
  margin: 2px 0 0;
}

.file-summary {
  align-items: center;
  background: var(--ok-soft);
  border: 1px solid #9bdabd;
  border-radius: 8px;
  color: var(--ok);
  display: flex;
  gap: 10px;
  justify-content: space-between;
  font-weight: 750;
  margin-top: 10px;
  padding: 10px 12px;
}

.upload-zone {
  align-items: center;
  background: var(--surface-soft);
  border: 1px dashed var(--border-strong);
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  gap: 12px;
  margin: 0;
  min-height: 96px;
  padding: 16px;
  transition: background 120ms ease, border-color 120ms ease, box-shadow 120ms ease;
}

.upload-zone:hover {
  background: #ffffff;
  border-color: var(--primary);
}

.upload-zone.has-file {
  background: var(--ok-soft);
  border-color: #9bdabd;
}

.upload-zone.has-error {
  background: var(--danger-soft);
  border-color: #f2b8b2;
}

.upload-zone strong,
.upload-zone small {
  display: block;
}

.upload-zone small {
  color: var(--muted);
  font-weight: 650;
  margin-top: 3px;
}

.upload-icon {
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--primary);
  display: inline-flex;
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 850;
  height: 46px;
  justify-content: center;
  width: 52px;
}

.inline-error {
  background: var(--danger-soft);
  border: 1px solid #f2b8b2;
  border-radius: 8px;
  color: var(--danger);
  font-weight: 750;
  margin-top: 10px;
  padding: 10px 12px;
}

.inline-error.is-success {
  background: var(--ok-soft);
  border-color: #9bdabd;
  color: var(--ok);
}

[hidden] {
  display: none !important;
}

.login {
  display: grid;
  gap: 18px;
}

.login-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 24px;
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.login-brand .brand-logo {
  width: 184px;
}

.login-brand strong {
  display: block;
}

.login-brand small {
  color: var(--muted);
  display: block;
  margin-top: 2px;
}

.login button {
  width: 100%;
  margin-top: 14px;
}

.empty-state {
  background: var(--surface);
  border: 1px dashed var(--border-strong);
  border-radius: 8px;
  color: var(--muted);
  padding: 18px;
  text-align: center;
}

@media (max-width: 760px) {
  .app-header,
  .page-header,
  .toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .app-main {
    width: min(100% - 24px, 1160px);
    margin-top: 18px;
  }

  .grid,
  .replace-row,
  .format-summary dl {
    grid-template-columns: 1fr;
  }

  .format-option {
    align-items: flex-start;
    flex-direction: column;
  }

  table {
    display: block;
    overflow-x: auto;
  }

  .user-menu {
    width: 100%;
    justify-content: space-between;
  }
}