:root {
  --bg: #f3f6fb;
  --panel: #ffffff;
  --panel-alt: #eef4ff;
  --sidebar: #1f2d3d;
  --sidebar-hover: #29415a;
  --primary: #2274ff;
  --primary-dark: #1557c2;
  --success: #1c9c5a;
  --success-dark: #117042;
  --warning: #ffb020;
  --danger: #dc4c64;
  --text: #1d2a39;
  --muted: #68778a;
  --border: #d9e1ec;
  --shadow: 0 18px 40px rgba(22, 44, 77, 0.08);
  --radius: 16px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: Inter, Segoe UI, Arial, sans-serif; }
body { min-height: 100vh; }
button, input, select { font: inherit; }
a { color: inherit; }
.hidden { display: none !important; }
.small { font-size: 0.92rem; }
.muted { color: var(--muted); }

.app-shell {
  display: grid;
  grid-template-columns: 290px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: linear-gradient(180deg, #213247 0%, #182433 100%);
  color: #fff;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-badge {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-weight: 800;
  background: linear-gradient(135deg, #2f8cff, #77b0ff);
  box-shadow: 0 10px 24px rgba(34, 116, 255, 0.35);
}

.brand h1 {
  margin: 0;
  font-size: 1.25rem;
}

.brand p {
  margin: 4px 0 0;
  color: #bfd0e3;
}

.step-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.step-link {
  text-align: left;
  border: 0;
  color: #dbe6f3;
  background: transparent;
  padding: 14px 16px;
  border-radius: 14px;
  cursor: pointer;
  transition: 0.2s ease;
}

.step-link span {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  margin-right: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  font-weight: 700;
}

.step-link:hover,
.step-link.active {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

.sidebar-footer {
  margin-top: auto;
  color: #bfd0e3;
  font-size: 0.92rem;
  line-height: 1.5;
}

.main-content {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.topbar,
.hero-card,
.card,
.info-box,
.progress-card,
.warning-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.topbar {
  padding: 20px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.topbar h2 { margin: 0 0 6px; }
.topbar p { margin: 0; color: var(--muted); }

.status-pill {
  padding: 10px 14px;
  border-radius: 999px;
  background: #e7f7ef;
  color: var(--success-dark);
  font-weight: 700;
  white-space: nowrap;
}

.hero-card {
  padding: 22px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  background: linear-gradient(135deg, #ffffff 0%, #eef4ff 100%);
}

.hero-card h3 { margin: 0 0 8px; }
.hero-card p { margin: 0; color: var(--muted); line-height: 1.6; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; min-width: 0; }
.hero-actions:empty { display: none; }
.link-btn { text-decoration: none; }

.step-panel { display: none; flex-direction: column; gap: 20px; }
.step-panel.active { display: flex; }

.panel-header h3 { margin: 0 0 6px; font-size: 1.5rem; }
.panel-header p { margin: 0; color: var(--muted); }

.info-box, .card, .progress-card, .warning-box { padding: 20px; }
.info-box h4, .card h4, .warning-box h4 { margin-top: 0; }
.info-box ol { margin: 0; padding-left: 20px; line-height: 1.7; }

.field-label {
  display: block;
  font-weight: 700;
  margin-bottom: 10px;
}

.upload-row,
.actions-row,
.nav-footer,
.table-toolbar,
.checkbox-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.aux-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.aux-toggle {
  width: fit-content;
  justify-content: flex-start;
  margin: 0;
}

.aux-form-grid {
  align-items: end;
}

.single-col-grid {
  grid-template-columns: 1fr;
}

.upload-row input[type='file'] {
  flex: 1;
  background: var(--panel-alt);
  border: 1px dashed #97b8ef;
  border-radius: 14px;
  padding: 14px;
}

.file-summary {
  margin-top: 12px;
  padding: 12px 14px;
  background: #f8fbff;
  border-radius: 12px;
}

.primary-btn,
.secondary-btn,
.success-btn {
  border: 0;
  border-radius: 12px;
  padding: 12px 18px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease, background 0.15s ease;
}

.primary-btn:hover,
.secondary-btn:hover,
.success-btn:hover { transform: translateY(-1px); }
.primary-btn:disabled,
.secondary-btn:disabled,
.success-btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.primary-btn { background: var(--primary); color: #fff; }
.primary-btn:hover { background: var(--primary-dark); }
.secondary-btn { background: #eef3fa; color: var(--text); }
.secondary-btn:hover { background: #e1e9f5; }
.success-btn { background: var(--success); color: #fff; }
.success-btn:hover { background: var(--success-dark); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.stat-card span {
  display: block;
  font-size: 0.92rem;
  color: var(--muted);
  margin-bottom: 8px;
}

.stat-card strong {
  display: block;
  font-size: 1.08rem;
  line-height: 1.4;
}

.warning-box {
  border: 1px solid #ffd27a;
  background: #fff8e9;
}

.two-col-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

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

.form-grid label,
.card label {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

input[type='text'],
input[type='url'] {
  width: 100%;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 12px;
  padding: 12px 14px;
}

.table-wrapper {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 14px;
}

.journal-table {
  width: 100%;
  border-collapse: collapse;
}

.journal-table th,
.journal-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
}

.journal-table th {
  background: #f8fbff;
  position: sticky;
  top: 0;
}

.journal-table td input[type='text'] {
  min-width: 140px;
}

.summary-list {
  margin: 0;
  padding-left: 18px;
  line-height: 1.8;
}

.progress-bar {
  height: 14px;
  background: #ebf1f8;
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 12px;
}

.progress-bar span {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #1c9c5a, #65d09a);
  transition: width 0.2s ease;
}

#resultSummary {
  line-height: 1.7;
  white-space: pre-wrap;
}

@media (max-width: 1120px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: sticky; top: 0; z-index: 3; }
  .stats-grid,
  .two-col-grid,
  .form-grid { grid-template-columns: 1fr; }
  .hero-card,
  .topbar { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 720px) {
  .main-content { padding: 16px; }
  .sidebar { padding: 18px; }
  .upload-row { flex-direction: column; align-items: stretch; }
  .aux-toggle { width: 100%; }
}