:root {
  --bg: #FFFFFF;
  --bg-warm: #FAF7F2;
  --bg-ink: #141414;
  --ink: #141414;
  --ink-soft: #2A2A2A;
  --graphite: #6B6B6B;
  --graphite-light: #9A9A9A;
  --hairline: rgba(20, 20, 20, 0.10);
  --hairline-strong: rgba(20, 20, 20, 0.22);
  --orange: #E94B26;
  --orange-deep: #C03A1B;
  --orange-soft: #FFE8DF;
  --mauve: #6B3A5C;
  --mauve-deep: #4D2A42;
  --mauve-soft: #F2E8EF;

  --display: 'Space Grotesk', sans-serif;
  --body: 'Inter', sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--body);
  color: var(--ink);
  background: var(--bg-warm);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; }

/* ───────────────────────── Header ───────────────────────── */
header {
  background: #FFFFFF;
  border-bottom: 1px solid var(--hairline);
}
.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
}
.logo { display: inline-flex; align-items: center; height: 56px; }
.logo img { height: 100%; width: auto; display: block; }
.header-back {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s ease;
}
.header-back:hover { color: var(--orange-deep); }

/* ───────────────────────── Buttons ───────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 22px;
  font-family: var(--body);
  font-weight: 500;
  font-size: 14px;
  border-radius: 2px;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--orange);
  color: #FFFFFF;
  border-color: var(--orange);
}
.btn-primary:hover {
  background: var(--orange-deep);
  border-color: var(--orange-deep);
  transform: translateY(-1px);
}
.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}
.btn-secondary:hover {
  background: var(--ink);
  color: #FFFFFF;
}
.btn-block { width: 100%; }

/* ───────────────────────── Login page ───────────────────────── */
main.portal-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 64px 24px;
}
.portal-wrap {
  width: 100%;
  max-width: 440px;
}
.portal-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mauve);
  margin-bottom: 14px;
  text-align: center;
}
.portal-card {
  background: #FFFFFF;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 40px 36px;
  box-shadow: 0 20px 48px rgba(20, 20, 20, 0.06);
}
.portal-card h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 28px;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 8px;
}
.portal-lead {
  font-size: 14.5px;
  color: var(--graphite);
  text-align: center;
  margin-bottom: 32px;
}
.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-soft);
  margin-bottom: 8px;
}
.field input, .field select {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--body);
  font-size: 14.5px;
  color: var(--ink);
  background: var(--bg-warm);
  border: 1px solid var(--hairline-strong);
  border-radius: 3px;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--orange);
  background: #FFFFFF;
}
.field-error {
  display: none;
  font-size: 13px;
  color: var(--orange-deep);
  margin: -10px 0 20px;
}
.field-error.show { display: block; }
.login-alert {
  display: none;
  background: var(--orange-soft);
  color: var(--orange-deep);
  font-size: 13px;
  line-height: 1.6;
  padding: 12px 14px;
  border-radius: 3px;
  margin: -4px 0 20px;
}
.login-alert.show { display: block; }
.login-alert-demo {
  display: block;
  margin-top: 6px;
  color: var(--ink-soft);
}
.login-alert-demo a {
  color: #1A5FD6;
  font-weight: 600;
  border-bottom: 1px solid transparent;
}
.login-alert-demo a:hover { border-color: #1A5FD6; }
.field-row {
  display: flex;
  justify-content: flex-end;
  margin: -10px 0 24px;
}
.field-row a {
  font-size: 13px;
  color: var(--graphite);
  border-bottom: 1px solid var(--hairline-strong);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.field-row a:hover { color: var(--orange-deep); border-color: var(--orange-deep); }
.portal-note {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
  font-size: 13px;
  color: var(--graphite);
  text-align: center;
  line-height: 1.6;
}
.portal-note a {
  color: var(--orange-deep);
  font-weight: 500;
  border-bottom: 1px solid transparent;
}
.portal-note a:hover { border-color: var(--orange-deep); }
.portal-back {
  display: block;
  text-align: center;
  margin-top: 24px;
  font-size: 13px;
  color: var(--graphite);
}
.portal-back:hover { color: var(--ink); }
.portal-banner {
  background: var(--orange-soft);
  color: var(--orange-deep);
  font-size: 13px;
  text-align: center;
  padding: 10px 24px;
  border-bottom: 1px solid var(--hairline);
}

/* ───────────────────────── Footer ───────────────────────── */
footer {
  background: var(--bg-ink);
  color: #B8B5AE;
  padding: 32px 40px;
}
.footer-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
}
.footer-inner a { color: #B8B5AE; }
.footer-inner a:hover { color: #FFFFFF; }

/* ───────────────────────── Dashboard ───────────────────────── */
.dash-header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}
.dash-user {
  font-size: 13.5px;
  color: var(--graphite);
}
.dash-user strong { color: var(--ink); font-weight: 600; }
.dash-shell {
  flex: 1;
  display: flex;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
}
.dash-sidebar {
  width: 240px;
  flex-shrink: 0;
  border-right: 1px solid var(--hairline);
  padding: 32px 16px;
}
.dash-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--graphite);
  border-radius: 4px;
  margin-bottom: 4px;
  transition: background 0.2s ease, color 0.2s ease;
}
.dash-nav a:hover { background: var(--bg-warm); color: var(--ink); }
.dash-nav a.active { background: var(--orange-soft); color: var(--orange-deep); }
.dash-main {
  flex: 1;
  padding: 40px;
  min-width: 0;
}
.dash-main h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 28px;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.dash-lead {
  font-size: 14.5px;
  color: var(--graphite);
  margin-bottom: 32px;
}
.dash-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.dash-card {
  background: #FFFFFF;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 22px 24px;
}
.dash-card .dash-card-num {
  font-family: var(--display);
  font-size: 30px;
  font-weight: 600;
  color: var(--ink);
}
.dash-card .dash-card-label {
  font-size: 13px;
  color: var(--graphite);
  margin-top: 4px;
}
.dash-section {
  margin-bottom: 40px;
}
.dash-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.dash-section-head h2 {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 600;
}
.file-table {
  width: 100%;
  border-collapse: collapse;
  background: #FFFFFF;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  overflow: hidden;
}
.file-table th {
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--graphite);
  background: var(--bg-warm);
  padding: 12px 20px;
  border-bottom: 1px solid var(--hairline);
}
.file-table td {
  padding: 14px 20px;
  font-size: 14px;
  border-bottom: 1px solid var(--hairline);
}
.file-table tr:last-child td { border-bottom: none; }
.file-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  padding: 3px 9px;
  border-radius: 12px;
  background: var(--mauve-soft);
  color: var(--mauve-deep);
}
.file-tag.ready { background: #E4F5E4; color: #1E7A34; }
.file-tag.pending { background: var(--orange-soft); color: var(--orange-deep); }
.file-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.file-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--orange-deep);
  border-bottom: 1px solid transparent;
}
.file-link:hover { border-color: var(--orange-deep); }

@media (max-width: 900px) {
  .dash-shell { flex-direction: column; }
  .dash-sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--hairline); padding: 16px; }
  .dash-nav { display: flex; gap: 4px; overflow-x: auto; }
  .dash-nav a { white-space: nowrap; margin-bottom: 0; }
  .dash-cards { grid-template-columns: 1fr; }
  .dash-main { padding: 28px 20px; }
}

@media (max-width: 560px) {
  .header-inner { padding: 16px 24px; }
  .portal-card { padding: 32px 24px; }
  footer { padding: 24px; }
  .footer-inner { justify-content: center; text-align: center; }
  .file-table { display: block; overflow-x: auto; }
}