:root {
  --rail-bg: #1a1f29;
  --rail-bg-hover: #252b38;
  --rail-fg: #aeb6c4;
  --rail-fg-active: #ffffff;
  --accent: #1fb8a6;
  --accent-dim: #178d80;
  --workspace-bg: #f4f6f8;
  --card-bg: #ffffff;
  --border: #dfe3e8;
  --text: #1f2733;
  --text-dim: #6b7480;
  --danger: #d9534f;
  --warn: #e0a800;
  --ok: #2e9e5b;
  --mono: "Cascadia Mono", "Consolas", "SF Mono", "Menlo", monospace;
  --sans: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  color: var(--text);
  background: var(--workspace-bg);
  font-size: 14px;
  line-height: 1.45;
}

.layout { display: flex; min-height: 100vh; }

/* Dark rail */
.rail {
  width: 220px;
  background: var(--rail-bg);
  color: var(--rail-fg);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.rail .brand {
  padding: 18px 18px 14px;
  font-weight: 600;
  color: var(--rail-fg-active);
  letter-spacing: .3px;
  border-bottom: 1px solid #2c3340;
}
.rail .brand small { display: block; color: var(--text-dim); font-weight: 400; font-size: 11px; margin-top: 2px; }
.rail nav { padding: 10px 0; flex: 1; }
.rail nav a {
  display: block;
  padding: 9px 18px;
  color: var(--rail-fg);
  text-decoration: none;
  font-size: 13.5px;
  border-left: 3px solid transparent;
}
.rail nav a:hover { background: var(--rail-bg-hover); color: var(--rail-fg-active); }
.rail nav a.active { background: var(--rail-bg-hover); color: var(--rail-fg-active); border-left-color: var(--accent); }
.rail nav .group { padding: 14px 18px 4px; font-size: 10.5px; text-transform: uppercase; letter-spacing: .8px; color: #5b6472; }
.rail .rail-footer { padding: 12px 18px; border-top: 1px solid #2c3340; font-size: 12px; }
.rail .rail-footer a { color: var(--accent); text-decoration: none; }

/* Workspace */
.workspace { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  height: 52px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 22px;
  gap: 16px;
}
.topbar .title { font-weight: 600; font-size: 15px; }
.topbar .spacer { flex: 1; }
.topbar .who { color: var(--text-dim); font-size: 13px; }
.content { padding: 22px; max-width: 1200px; }

/* Cards */
.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 6px; padding: 18px; margin-bottom: 18px; }
.card h2 { margin: 0 0 14px; font-size: 14px; font-weight: 600; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat { background: var(--card-bg); border: 1px solid var(--border); border-radius: 6px; padding: 16px; }
.stat .num { font-family: var(--mono); font-size: 26px; font-weight: 600; font-variant-numeric: tabular-nums; }
.stat .lbl { color: var(--text-dim); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; margin-top: 4px; }

/* Tables */
table.grid { width: 100%; border-collapse: collapse; }
table.grid th, table.grid td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); }
table.grid th { font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--text-dim); font-weight: 600; }
table.grid td.num, table.grid th.num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
table.grid tr:hover td { background: #fafbfc; }

/* Buttons + forms */
.btn { display: inline-block; padding: 7px 14px; border-radius: 5px; border: 1px solid var(--border);
  background: var(--card-bg); color: var(--text); text-decoration: none; cursor: pointer; font-size: 13px; font-family: var(--sans); }
.btn:hover { background: #f0f2f4; }
.btn-primary { background: var(--accent); border-color: var(--accent-dim); color: #fff; }
.btn-primary:hover { background: var(--accent-dim); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-sm { padding: 4px 9px; font-size: 12px; }

label { display: block; font-size: 12px; color: var(--text-dim); margin: 12px 0 4px; font-weight: 600; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 5px; font-size: 13.5px; font-family: var(--sans); background: #fff; }
input.mono, td input.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; text-align: right; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-actions { margin-top: 18px; display: flex; gap: 10px; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.badge-draft { background: #eceff2; color: var(--text-dim); }
.badge-confirmed { background: #d7f0e6; color: var(--ok); }
.badge-onsale { background: #d6ecf7; color: #1c7ca8; }
.badge-settled { background: #e6e0f5; color: #6b4fb0; }
.badge-cancelled { background: #f7dada; color: var(--danger); }

.alert { padding: 10px 14px; border-radius: 5px; margin-bottom: 16px; font-size: 13px; }
.alert-error { background: #f7dada; color: var(--danger); border: 1px solid #efbcbc; }

/* Login */
.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--rail-bg); }
.login-card { background: var(--card-bg); border-radius: 8px; padding: 32px; width: 340px; box-shadow: 0 10px 40px rgba(0,0,0,.3); }
.login-card h1 { margin: 0 0 4px; font-size: 18px; }
.login-card .sub { color: var(--text-dim); font-size: 12px; margin-bottom: 18px; }

/* ============================================================
   Responsive / mobile
   ============================================================ */

/* Hamburger button (hidden on desktop) */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
  margin-right: 4px;
}
.rail-backdrop { display: none; }

@media (max-width: 860px) {
  /* Off-canvas dark rail */
  .rail {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform .22s ease;
    box-shadow: 2px 0 18px rgba(0,0,0,.35);
  }
  body.nav-open .rail { transform: translateX(0); }
  body.nav-open .rail-backdrop {
    display: block;
    position: fixed; inset: 0;
    background: rgba(0,0,0,.45);
    z-index: 40;
  }
  .nav-toggle { display: inline-block; }

  .content { padding: 16px; }
  .topbar { padding: 0 14px; gap: 10px; }
  .topbar .who { display: none; }

  /* Stack any two-column form rows and detail grids */
  .form-row { grid-template-columns: 1fr; gap: 10px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }

  /* Show-details two-column layout collapses */
  .detail-cols { grid-template-columns: 1fr !important; }

  /* Inline add-forms wrap nicely */
  .inline-form { flex-direction: column; align-items: stretch !important; }
  .inline-form > div { width: 100%; }
  .inline-form button { width: 100%; }
}

@media (max-width: 560px) {
  .stat-grid { grid-template-columns: 1fr; }
  .login-card { width: 100%; max-width: 340px; margin: 0 16px; }

  /* Reflow data tables into stacked cards */
  table.grid, table.grid thead, table.grid tbody, table.grid tr, table.grid th, table.grid td { display: block; }
  table.grid thead { position: absolute; left: -9999px; }  /* hide header row */
  table.grid tr {
    border: 1px solid var(--border);
    border-radius: 6px;
    margin-bottom: 10px;
    padding: 6px 4px;
    background: var(--card-bg);
  }
  table.grid tr:hover td { background: transparent; }
  table.grid td {
    border: none;
    padding: 6px 12px;
    text-align: left !important;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
  }
  table.grid td.num { text-align: right !important; }
  /* Label each cell using the data-label attribute */
  table.grid td[data-label]::before {
    content: attr(data-label);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--text-dim);
    font-weight: 600;
    flex-shrink: 0;
  }
}

/* Make the show-details two-column wrapper targetable */
.detail-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
.detail-cols.full-width { grid-template-columns: 1fr; }

/* Horizontal scroll fallback for any wide table not reflowed */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

@media (max-width: 560px) {
  table.grid.no-reflow, table.grid.no-reflow thead, table.grid.no-reflow tbody,
  table.grid.no-reflow tr, table.grid.no-reflow th, table.grid.no-reflow td { display: revert; }
  table.grid.no-reflow thead { position: static; left: auto; }
  table.grid.no-reflow tr { border: 0; margin: 0; padding: 0; background: transparent; }
  table.grid.no-reflow td { display: table-cell; }
  table.grid.no-reflow td::before { content: none; }
}

@media (max-width: 560px) {
  /* Prevent iOS auto-zoom on focus by keeping inputs >= 16px */
  input[type=text], input[type=email], input[type=password],
  input[type=number], input[type=date], select, textarea { font-size: 16px; }
  /* Bigger tap targets for inline action buttons */
  .btn-sm { padding: 8px 12px; }
  table.grid td .btn-sm { min-width: 40px; }
  /* Action cells in reflowed rows align right and wrap */
  table.grid td form { display: inline-block; }
}

/* ── Rich text editor (matches com.nextedgedev.doclibrary) ─────────────────── */
.rich-editor-container {
    border: 1px solid var(--border); border-radius: 6px; overflow: hidden;
    background: var(--surface, #fff);
}
.rich-editor-toolbar {
    background: #f7f8fa; border-bottom: 1px solid var(--border);
    padding: 6px 10px; display: flex; align-items: center; gap: 2px; flex-wrap: wrap;
}
.rich-editor-toolbar button {
    background: none; border: 1px solid transparent; border-radius: 4px;
    padding: 3px 8px; font-size: 13px; cursor: pointer; color: var(--text);
}
.rich-editor-toolbar button:hover { background: #e2e8f0; border-color: var(--border); }
.toolbar-sep { width: 1px; height: 18px; background: var(--border); margin: 0 4px; }
.rich-editor-body {
    min-height: 150px; padding: 12px 14px; font-size: 14px;
    line-height: 1.6; outline: none; color: var(--text); resize: vertical; overflow: auto;
}
.rich-editor-body:focus { background: #fafbff; }
.rich-editor-body h3 { font-size: 15px; margin: 8px 0 4px; }
.rich-editor-body ul, .rich-editor-body ol { margin: 4px 0 4px 22px; }
.rich-editor-body p { margin: 4px 0; }

/* Clickable table rows (rows that open a detail/edit page) */
tr.click-row { cursor: pointer; }
tr.click-row:hover td { background: #eef4fb; }
.click-hint { font-size: 12px; color: var(--text-dim); margin: 0 0 8px; display: flex; align-items: center; gap: 5px; }
.click-hint::before { content: "↳"; font-size: 13px; opacity: .7; }