:root {
  --navy: #1a365d;
  --navy-dark: #12253f;
  --gold: #c9a35c;
  --subtle: #4a5568;
  --border: #cbd5e0;
  --bg: #f4f6f9;
  --green: #276749;
  --red: #c53030;
}

* { box-sizing: border-box; }

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

body {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color: #1a202c;
}

/* Header */
.site-header {
  background: var(--navy);
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
}
.header-logo { width: 40px; height: 40px; object-fit: contain; }
.header-wordmark {
  color: #fff;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 2.5px;
}

/* Main */
main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}

.card {
  width: 100%;
  max-width: 560px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px 40px 28px;
  box-shadow: 0 4px 24px rgba(26, 54, 93, 0.08);
  text-align: center;
}

h1 { font-size: 20px; color: var(--navy); margin: 4px 0 8px; }

.subtitle { font-size: 13px; color: var(--subtle); line-height: 1.5; margin-bottom: 22px; }

/* Step indicator */
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 26px;
}
.step {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--subtle);
}
.step-num {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #eef2f7;
  border: 1px solid var(--border);
  color: var(--navy);
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.step-sep {
  width: 20px;
  height: 1px;
  background: var(--border);
}

.field { text-align: left; margin-bottom: 18px; }
.field label { display: block; font-size: 13px; font-weight: 600; color: var(--navy); margin-bottom: 6px; }

input[type="password"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
}

/* Dropzone */
.dropzone input[type="file"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}
.dropzone {
  position: relative;
  border: 1.5px dashed var(--border);
  border-radius: 10px;
  background: #f9fafb;
  padding: 20px 16px;
  text-align: center;
  transition: border-color 0.15s, background 0.15s;
}
.dropzone:hover,
.dropzone.dragover {
  border-color: var(--navy);
  background: #eef2f7;
}
.dropzone-text { font-size: 13px; color: var(--subtle); }
.dropzone-text strong { color: var(--navy); }
.file-name { margin-top: 6px; font-size: 12.5px; color: var(--subtle); font-weight: 600; }

.primary-btn {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 8px;
  background: var(--navy);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.15s;
}
.primary-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.primary-btn:not(:disabled):hover { opacity: 0.9; }

.status { margin-top: 16px; font-size: 13px; color: var(--navy); display: none; }
.error { margin-top: 16px; font-size: 13px; color: var(--red); display: none; }
.ok { color: var(--green); font-size: 14px; margin-bottom: 12px; }

.results { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.download-btn {
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--navy);
  background: #fff;
  color: var(--navy);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
}
.download-btn:hover { background: #f0f4f8; }

.footnote { margin-top: 22px; font-size: 11px; color: #718096; line-height: 1.5; }

/* Resolve panel: shown when one or more schemes need a manual benchmark answer */
.card.wide { max-width: 640px; }
.resolve-panel {
  text-align: left;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.resolve-panel-title { font-size: 14px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.resolve-panel-sub { font-size: 12px; color: var(--subtle); margin-bottom: 16px; line-height: 1.5; }

.resolve-bulk {
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 16px;
  background: #eef2f7;
}
.resolve-bulk-title { font-size: 12.5px; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.resolve-bulk-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.secondary-btn {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border: 1px solid var(--navy);
  border-radius: 6px;
  background: #fff;
  color: var(--navy);
  font-weight: 600;
  font-size: 12px;
  cursor: pointer;
}
.secondary-btn:hover { background: #f0f4f8; }
.resolve-bulk-status { font-size: 11.5px; margin-top: 8px; line-height: 1.5; }
.resolve-row {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 12px;
  background: #f9fafb;
}
.resolve-row-name { font-size: 13px; font-weight: 700; color: var(--navy); }
.resolve-row-meta { font-size: 11.5px; color: var(--subtle); margin-bottom: 10px; }
.resolve-row input[type="text"] {
  width: 100%;
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12.5px;
  margin-bottom: 4px;
  background: #fff;
}
.resolve-row-hint { font-size: 11px; margin-bottom: 6px; min-height: 14px; }
.resolve-row input[type="file"] { font-size: 12px; margin-bottom: 6px; }
.resolve-panel-actions { display: flex; gap: 10px; margin-top: 4px; }
.resolve-panel-actions .primary-btn { flex: 1; }
.skip-note { font-size: 11px; color: #a0aec0; margin-top: 8px; line-height: 1.4; }

/* Footer */
.site-footer {
  background: var(--navy-dark);
  color: #cbd5e0;
  padding: 22px 24px 26px;
  text-align: center;
}
.footer-compliance { font-size: 12.5px; font-weight: 600; color: #fff; margin-bottom: 6px; }
.footer-contact { font-size: 12px; color: #a0aec0; margin-bottom: 14px; }
.footer-social { display: flex; align-items: center; justify-content: center; gap: 14px; }
.footer-social a {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.15s;
}
.footer-social a:hover { opacity: 0.85; }
.footer-social img { width: 16px; height: 16px; object-fit: contain; }

@media (max-width: 480px) {
  .card { padding: 28px 22px 22px; }
  .steps { gap: 4px; }
  .step { font-size: 10.5px; }
  .step-sep { width: 10px; }
}