*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --ink: #1a1a1a;
  --ink-soft: #5c6470;
  --bg: #f2f4f7;
  --paper: #ffffff;
  --line: #d9dee5;
  --line-strong: #b8c2cf;
  --accent: #86bc25;
  --accent-2: #6ea300;
  --success: #2f8f2f;
  --warning: #a46514;
  --danger: #be2a2a;
  --shadow: 0 10px 30px rgba(17, 28, 45, 0.08);
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: Montserrat, 'Segoe UI', Tahoma, Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #f7f8fa 0%, #edf1f5 100%);
}

.page-shell {
  width: min(1220px, calc(100vw - 32px));
  margin: 22px auto 30px;
}

.brand-strip {
  display: flex;
  align-items: center;
  padding: 8px 10px 16px;
}

.brand-logo {
  width: clamp(180px, 24vw, 280px);
  height: auto;
  display: block;
}

.screen {
  display: none;
}

.screen.active {
  display: block;
  animation: rise 220ms ease-out;
}

.card {
  background: var(--paper);
  border: 1px solid #dbe2ea;
  box-shadow: var(--shadow);
  border-radius: 10px;
  overflow: hidden;
}

.card-header {
  padding: 28px 30px 20px;
  background: #fff;
  border-bottom: 3px solid #edf1f5;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 10px;
  padding: 5px 10px;
  border-radius: 4px;
  border: 1px solid #d7e5b4;
  background: #f7fbe9;
  color: #5a7f17;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.hero-title {
  font-size: clamp(1.5rem, 2vw, 2.1rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  font-weight: 800;
  max-width: 22ch;
}

.hero-copy {
  margin-top: 10px;
  max-width: 58ch;
  color: var(--ink-soft);
  line-height: 1.5;
  font-size: 0.96rem;
}

.panel {
  padding: 24px 30px 30px;
}

.login-layout {
  display: block;
}

.login-layout .login-box {
  max-width: 520px;
}

.login-box,
.note-box,
.instructions-box,
.results-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 20px;
}

.note-box {
  background: #f9fbfd;
}

.field-label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  font-weight: 700;
}

.input,
.file-button,
.primary-button,
.secondary-button,
.ghost-button {
  font: inherit;
}

.input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
}

.input:focus {
  outline: 2px solid rgba(134, 188, 37, 0.2);
  border-color: var(--accent);
}

.button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.primary-button,
.secondary-button,
.ghost-button,
.file-button {
  border-radius: 4px;
  padding: 11px 16px;
  cursor: pointer;
  transition: transform 180ms ease, opacity 180ms ease, background-color 180ms ease;
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover,
.file-button:hover {
  transform: translateY(-1px);
}

.primary-button {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
}

.secondary-button {
  background: #eef5dd;
  color: #567a14;
  border: 1px solid #d1e0aa;
}

.ghost-button {
  background: #fff;
  color: #3a4655;
  border: 1px solid #cfd7df;
}

.status-text {
  min-height: 20px;
  margin-top: 12px;
  font-size: 0.9rem;
}

.status-text.error {
  color: var(--danger);
}

.status-text.info {
  color: var(--accent-2);
}

.instructions-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
}

.sample-table,
.results-table {
  width: 100%;
  border-collapse: collapse;
}

.sample-table th,
.sample-table td,
.results-table th,
.results-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid #e4e9ef;
  vertical-align: top;
}

.sample-table th,
.results-table th {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #4a5563;
  background: #f5f8fb;
}

.upload-dropzone {
  position: relative;
  min-height: 230px;
  border: 2px dashed #c5ced9;
  border-radius: 8px;
  background: #fbfcfd;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 24px;
}

.upload-dropzone.drag-over {
  border-color: var(--accent);
  background: #f4f9e8;
}

.upload-dropzone input[type='file'] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.dropzone-title {
  font-size: 1.2rem;
  font-weight: 700;
}

.dropzone-copy,
.muted {
  color: var(--ink-soft);
  line-height: 1.6;
}

.file-name {
  margin-top: 10px;
  font-weight: 700;
  color: #5f8618;
}

.results-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 4px;
  border: 1px solid #d4e4ac;
  background: #f3f8e6;
  color: #5f8618;
  font-weight: 700;
  font-size: 0.86rem;
}

.pill.warning {
  background: #f7ede1;
  border-color: #e8cfaa;
  color: var(--warning);
}

.pill.success {
  background: #eaf4e4;
  border-color: #cfe0c6;
  color: var(--success);
}

.fetching-indicator {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.spinner {
  width: 26px;
  height: 26px;
  border: 3px solid #dde7f0;
  border-top-color: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  animation: spin 0.75s linear infinite;
}

.fetching-label {
  margin: 0;
  font-size: 0.95rem;
  color: #444;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.progress {
  height: 12px;
  border-radius: 999px;
  background: #dde7f0;
  overflow: hidden;
}

.progress-bar {
  width: 0%;
  height: 100%;
  background: var(--accent);
  transition: width 200ms ease;
}

.results-controls-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.export-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.export-buttons .secondary-button {
  font-size: 0.82rem;
  padding: 7px 12px;
}

.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.filter-tab {
  font: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 7px 14px;
  border-radius: 4px;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink-soft);
  cursor: pointer;
  transition: background 150ms, color 150ms, border-color 150ms;
}

.filter-tab:hover {
  background: #f3f7fb;
}

.filter-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.search-input {
  width: 100%;
  max-width: 400px;
  margin-bottom: 14px;
}

.table-scroller {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.results-table th {
  position: sticky;
  top: 0;
  background: #f3f7fb;
  cursor: grab;
  user-select: none;
}

.results-table th.col-dragging {
  opacity: 0.45;
}

.results-table th.col-drag-over {
  background: #d8edb0;
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.results-table td {
  white-space: normal;
  word-break: break-word;
}

.results-table tbody tr:nth-child(even) td {
  background: #f9fbfd;
}

.results-table tbody tr.is-missing td {
  color: var(--warning);
}

.site-footer {
  margin-top: 14px;
  padding: 10px 6px 4px;
  color: #6c7380;
  font-size: 0.85rem;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes loading {
  from {
    background-position: 200% 0;
  }

  to {
    background-position: 0 0;
  }
}

@media (max-width: 920px) {
  .login-layout,
  .instructions-grid {
    grid-template-columns: 1fr;
  }

  .page-shell {
    width: min(100vw - 16px, 1180px);
    margin: 8px auto 24px;
  }

  .brand-strip {
    padding-top: 6px;
    padding-bottom: 12px;
  }

  .card-header,
  .panel {
    padding-left: 20px;
    padding-right: 20px;
  }
}