/* ── Reset & variables ──────────────────────────────────────── */
:root {
  --primary:       #2563eb;
  --primary-dark:  #1d4ed8;
  --secondary:     #64748b;
  --success:       #16a34a;
  --success-dark:  #15803d;
  --warning:       #d97706;
  --danger:        #dc2626;
  --danger-bg:     #fef2f2;
  --bg:            #f1f5f9;
  --surface:       #ffffff;
  --border:        #e2e8f0;
  --text:          #1e293b;
  --text-muted:    #64748b;
  --radius:        8px;
  --radius-lg:     12px;
  --shadow:        0 1px 3px rgba(0,0,0,.10), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:     0 4px 6px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.05);
  --shadow-lg:     0 10px 24px rgba(0,0,0,.12);
  --sidebar-w:     290px;
  --header-h:      60px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-size: 14px;
}

/* ── Header ─────────────────────────────────────────────────── */
header {
  height: var(--header-h);
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  padding: 0 24px;
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
  z-index: 20;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: 100%; }
header h1 { font-size: 1.125rem; font-weight: 700; white-space: nowrap; }
.user-nav { display: flex; align-items: center; gap: 10px; }
.user-nav-name { font-size: 0.8125rem; color: rgba(255,255,255,.65); }

/* ── Login Overlay ───────────────────────────────────────────── */
.login-overlay {
  position: fixed;
  inset: 0;
  background: #0c1220;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.login-overlay.hidden { display: none; }
.login-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 25px 60px rgba(0,0,0,.5);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.login-logo { font-size: 2.5rem; text-align: center; }
.login-title {
  text-align: center;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}
.login-subtitle {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: -6px 0 0;
}
.login-field { display: flex; flex-direction: column; gap: 6px; }
.login-field label { font-size: 0.8125rem; font-weight: 500; color: var(--text-secondary); }
.login-field input {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text-primary);
  font-size: 0.9375rem;
}
.login-field input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px rgba(99,102,241,.25); }
.login-error {
  background: rgba(239,68,68,.12);
  border: 1px solid var(--danger);
  color: var(--danger);
  border-radius: 6px;
  padding: 9px 12px;
  font-size: 0.8125rem;
  text-align: center;
}
.login-submit { width: 100%; padding: 11px; font-size: 0.9375rem; }

/* ── Layout ─────────────────────────────────────────────────── */
.app-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── Sidebar ─────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
}
.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}
.sidebar-title {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
}
.sessions-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}
.session-card {
  padding: 10px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  border: 1px solid transparent;
  margin-bottom: 4px;
  transition: background .12s, border-color .12s;
}
.session-card:hover { background: var(--bg); border-color: var(--border); }
.session-card.active { background: #eff6ff; border-color: var(--primary); }
.session-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 6px;
  margin-bottom: 3px;
}
.sc-name { font-weight: 600; font-size: .8125rem; word-break: break-word; }
.sc-meta { font-size: .7rem; color: var(--text-muted); }
.badge {
  display: inline-block;
  font-size: .65rem;
  padding: 2px 7px;
  border-radius: 99px;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}
.badge-pending   { background: #f1f5f9; color: #64748b; }
.badge-partial   { background: #fef3c7; color: #92400e; }
.badge-ready     { background: #dcfce7; color: #15803d; }

/* ── Main content ────────────────────────────────────────────── */
.main-content {
  flex: 1;
  overflow-y: auto;
  padding: 28px 32px;
}

/* ── Welcome ─────────────────────────────────────────────────── */
.welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 100%;
  gap: 12px;
  color: var(--text-muted);
  min-height: 320px;
}
.welcome-icon { font-size: 4rem; }
.welcome h2 { font-size: 1.375rem; color: var(--text); font-weight: 700; }
.welcome p { max-width: 420px; }

/* ── Detail header ───────────────────────────────────────────── */
.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
  gap: 12px;
}
.detail-header h2 { font-size: 1.375rem; font-weight: 700; }

/* ── Steps ───────────────────────────────────────────────────── */
.steps { display: flex; flex-direction: column; gap: 16px; }
.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow);
}
.step.disabled { opacity: .45; pointer-events: none; }
.step-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.step-num {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .8125rem;
  flex-shrink: 0;
}
.step-header h3 { font-size: .9375rem; font-weight: 600; flex: 1; }
.step-header h3 em { font-style: normal; font-weight: 400; color: var(--text-muted); }
.step-desc { font-size: .8125rem; color: var(--text-muted); margin-bottom: 14px; }

/* ── Upload zone ─────────────────────────────────────────────── */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s;
  position: relative;
}
.upload-zone:hover, .upload-zone.drag-over { border-color: var(--primary); background: #eff6ff; }
.upload-zone.uploaded { border-color: var(--success); border-style: solid; background: #f0fdf4; }
.upload-zone.uploading { opacity: .6; pointer-events: none; }
.upload-zone.locked {
  pointer-events: none;
  opacity: .55;
  cursor: default;
  border-style: solid;
  border-color: var(--border);
}
.upload-zone.locked::after {
  content: '🔒 Locked — report generated';
  display: block;
  font-size: .75rem;
  color: var(--text-muted);
  margin-top: 6px;
}
#generate-report-btn.btn-generated {
  background: var(--success);
  opacity: .75;
  cursor: default;
}
.upload-icon-lg { font-size: 2.25rem; margin-bottom: 10px; }
.upload-zone p { color: var(--text-muted); margin-bottom: 4px; }
.upload-zone strong { color: var(--primary); }
.upload-hint { font-size: .75rem; margin-top: 4px; }
.upload-progress {
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--primary);
  font-size: .8125rem;
}
.upload-info {
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: .875rem;
  font-weight: 600;
  color: var(--success-dark);
}
.check-icon { font-size: 1.1em; }
.pill {
  background: var(--success);
  color: #fff;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: .7rem;
  font-weight: 700;
}

/* ── Match config ────────────────────────────────────────────── */
.match-row { display: flex; gap: 8px; align-items: center; }
select {
  flex: 1;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: .875rem;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}
select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.current-match {
  margin-top: 8px;
  font-size: .8125rem;
  color: var(--success-dark);
  font-weight: 600;
}

/* ── Tabs ────────────────────────────────────────────────────── */
.tabs {
  display: flex;
  border-bottom: 2px solid var(--border);
  gap: 2px;
  margin-bottom: 16px;
}
.tab-btn {
  padding: 9px 18px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color .12s, border-color .12s;
}
.tab-btn:hover { color: var(--primary); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Summary cards ───────────────────────────────────────────── */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.summary-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
  text-align: center;
  border-top: 3px solid var(--border);
}
.summary-card.c-blue   { border-top-color: var(--primary); }
.summary-card.c-green  { border-top-color: var(--success); }
.summary-card.c-amber  { border-top-color: var(--warning); }
.summary-card.c-red    { border-top-color: var(--danger); }
.summary-card.c-purple { border-top-color: #7c3aed; }
.summary-card.c-teal   { border-top-color: #0891b2; }
.s-number {
  font-size: 1.875rem;
  font-weight: 800;
  line-height: 1;
  word-break: break-word;
}
.s-date { font-size: 1rem; line-height: 1.3; }
.c-blue  .s-number { color: var(--primary); }
.c-green .s-number { color: var(--success); }
.c-amber .s-number { color: var(--warning); }
.c-red   .s-number { color: var(--danger); }
.c-purple .s-number { color: #7c3aed; }
.c-teal  .s-number { color: #0891b2; }

/* ── Advice letter actions ───────────────────────────────────── */
.advice-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
  padding: 14px 16px;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius);
}
.advice-actions-ran {
  background: #f8fafc;
  border-color: var(--border);
}
.advice-actions-label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--success-dark);
  white-space: nowrap;
}
.advice-actions-ran .advice-actions-label {
  color: var(--text-muted);
}
.advice-actions-ran-info {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .875rem;
  color: var(--text-muted);
  flex: 1;
}
.advice-ran-check {
  color: var(--success);
  font-size: 1rem;
}
.advice-actions-hint {
  font-size: .75rem;
  color: var(--text-muted);
}
.s-label { font-weight: 600; font-size: .8125rem; margin-top: 4px; }
.s-sub { font-size: .7rem; color: var(--text-muted); margin-top: 2px; }
.match-rate-banner {
  padding: 12px 16px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: var(--radius);
  font-size: .875rem;
  color: var(--primary-dark);
  font-weight: 600;
}

/* ── Data table ──────────────────────────────────────────────── */
.table-meta { font-size: .8125rem; color: var(--text-muted); margin-bottom: 8px; }
.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: .8rem; }
thead th {
  position: sticky; top: 0;
  background: var(--bg);
  padding: 9px 12px;
  text-align: left;
  font-weight: 700;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}
tbody td {
  padding: 7px 12px;
  border-bottom: 1px solid var(--border);
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: #f8fafc; }
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px;
}
.pagination span { font-size: .8125rem; color: var(--text-muted); }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  font-size: .875rem;
  font-weight: 600;
  transition: background .12s, box-shadow .12s;
  white-space: nowrap;
  line-height: 1;
}
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-sm { padding: 5px 11px; font-size: .8rem; }
.btn-primary    { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover:not(:disabled)    { background: var(--primary-dark); }
.btn-secondary  { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-secondary:hover:not(:disabled)  { background: var(--bg); }
.btn-success    { background: var(--success); color: #fff; border-color: var(--success); }
.btn-success:hover:not(:disabled)    { background: var(--success-dark); }
.btn-danger     { background: var(--surface); color: var(--danger); border-color: var(--danger); }
.btn-danger:hover:not(:disabled)     { background: var(--danger-bg); }

/* ── Toast ───────────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 500;
  display: flex; flex-direction: column; gap: 8px;
}
.toast {
  padding: 11px 18px;
  border-radius: var(--radius);
  color: #fff;
  font-size: .875rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  transform: translateX(120%);
  transition: transform .25s ease;
  max-width: 360px;
  background: #1e293b;
}
.toast.show { transform: translateX(0); }
.toast-success { background: var(--success); }
.toast-error   { background: var(--danger); }

/* ── Modal ───────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45);
  display: flex; align-items: center; justify-content: center;
  z-index: 200;
}
.modal-overlay.hidden { display: none; }
.modal-box {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 100%; max-width: 460px;
  box-shadow: var(--shadow-lg);
}
.modal-box h2 { font-size: 1.125rem; font-weight: 700; margin-bottom: 6px; }
.modal-box p  { font-size: .875rem; color: var(--text-muted); margin-bottom: 20px; }
.modal-box label { display: block; font-size: .875rem; font-weight: 600; margin-bottom: 6px; }
.modal-box input[type="text"] {
  width: 100%; padding: 10px 12px;
  border: 1px solid var(--border); border-radius: var(--radius);
  font-size: .9375rem; margin-bottom: 22px;
}
.modal-box input[type="text"]:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }

/* ── Utilities ───────────────────────────────────────────────── */
.hidden  { display: none !important; }
.ml-auto { margin-left: auto; }
.flex-row { display: flex; align-items: center; }
.gap-8 { gap: 8px; }
.loading { text-align: center; color: var(--text-muted); padding: 40px; }
.error-msg { text-align: center; color: var(--danger); padding: 40px; font-size: .875rem; }
.empty-state { text-align: center; color: var(--text-muted); padding: 32px; font-size: .875rem; }

/* ── Spinner ─────────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid rgba(37,99,235,.3);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Match config grid (Step 3) ──────────────────────────────── */
.match-config-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr) auto;
  gap: 10px;
  align-items: end;
}
.match-field { display: flex; flex-direction: column; }
.match-label {
  display: block;
  font-size: .75rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.label-em { font-style: normal; font-weight: 400; text-transform: none; letter-spacing: 0; }
.match-apply-btn { margin-bottom: 0; height: 38px; }

/* ── Reconciliation table ────────────────────────────────────── */
tbody tr.row-red td          { background-color: #fee2e2 !important; }
tbody tr.row-red:hover td    { background-color: #fecaca !important; }

.recon-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  gap: 8px;
  flex-wrap: wrap;
}
.recon-legend-red {
  color: #dc2626;
  font-size: .9em;
}

@media (max-width: 700px) {
  .match-config-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Sidebar nav (Templates link) ────────────────────────────── */
.sidebar-nav {
  border-top: 1px solid var(--border);
  padding: 8px;
  flex-shrink: 0;
}
.sidebar-nav-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--text-muted);
  text-align: left;
  transition: background .12s, color .12s, border-color .12s;
}
.sidebar-nav-btn:hover { background: var(--bg); color: var(--text); border-color: var(--border); }
.sidebar-nav-btn.active { background: #eff6ff; color: var(--primary); border-color: var(--primary); }

/* ── Letter Templates panel ──────────────────────────────────── */
.templates-subtitle {
  font-size: .875rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.templates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.template-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.template-card-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .02em;
}
.template-card-file {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .875rem;
  font-weight: 600;
  color: var(--success-dark);
}
.template-filename {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 200px;
}
.template-card-meta {
  font-size: .75rem;
  color: var(--text-muted);
}
.template-card-empty {
  font-size: .875rem;
  color: var(--text-muted);
  font-style: italic;
}
.template-card-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.template-card-actions label.btn {
  cursor: pointer;
}