:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --border: #d9dde3;
  --border-strong: #b8bec7;
  --text: #1c1f24;
  --muted: #5b6472;
  --accent: #234b8c;
  --accent-hover: #1b3d75;
  --danger: #a12828;
  --correction-bg: #fbf7e8;
  --correction-border: #d9c98a;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; overflow-x: hidden; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.45;
}

h1, h2, h3 { margin: 0 0 0.5em; font-weight: 600; }
h1 { font-size: 1.4rem; }
h2 { font-size: 1.15rem; }

button {
  font: inherit;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 0.45em 0.9em;
}
button:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
button.secondary {
  background: #fff; color: var(--accent); border-color: var(--border-strong);
}
button.secondary:hover { background: #eef2f8; }
button.link-btn {
  background: transparent; color: var(--accent); border: none; padding: 0;
  text-decoration: underline;
}

input[type=text], input[type=date], input[type=password], textarea, select {
  font: inherit;
  padding: 0.35em 0.5em;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: #fff;
  width: 100%;
}
textarea { resize: vertical; font-family: inherit; }

/* Login */
.login-screen {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
}

.login-screen[hidden] {
  display: none !important;
}

.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.5rem;
  width: 100%; max-width: 320px;
  display: flex; flex-direction: column; gap: 0.75rem;
}
.login-card label { font-size: 0.9rem; color: var(--muted); }
.error { color: var(--danger); font-size: 0.9rem; margin: 0; }

/* App shell */
#app { max-width: 1000px; margin: 0 auto; padding: 1rem; }
.app-header {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 0.75rem; border-bottom: 1px solid var(--border);
}
.header-right { display: flex; align-items: center; gap: 0.75rem; }
.role-badge {
  font-size: 0.8rem; padding: 0.2em 0.6em;
  background: #eef2f8; color: var(--accent);
  border: 1px solid #cad4e5; border-radius: 999px;
}

.tabs {
  display: flex; gap: 0.25rem;
  margin: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.tab {
  background: transparent; color: var(--text);
  border: 1px solid transparent; border-bottom: none;
  border-radius: 4px 4px 0 0;
  padding: 0.5em 1em;
}
.tab:hover { background: #eef2f8; }
.tab[aria-selected="true"] {
  background: var(--panel);
  border-color: var(--border);
  color: var(--accent);
  font-weight: 600;
}

.toolbar {
  display: flex; gap: 0.5rem; margin-bottom: 0.75rem;
}

.panel-intro {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  padding: 0.75rem 0.9rem;
  margin: 0 0 0.75rem;
  color: var(--text);
  font-size: 0.95rem;
  overflow-wrap: break-word;
  word-break: break-word;
}

/* Add-entry form */
.add-form {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 1rem;
}
.add-form > summary {
  cursor: pointer;
  padding: 0.6rem 0.9rem;
  font-weight: 600;
  color: var(--accent);
}
.entry-form {
  padding: 0 0.9rem 0.9rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 0.6rem 0.75rem;
}
.entry-form label { display: flex; flex-direction: column; min-width: 0; font-size: 0.85rem; color: var(--muted); gap: 0.2rem; }
.entry-form label.wide { grid-column: 1 / -1; }
.entry-form label.checkbox { flex-direction: row; align-items: center; gap: 0.4rem; color: var(--text); font-size: 0.95rem; }
.entry-form label.checkbox input { width: auto; }
.entry-form .form-actions { grid-column: 1 / -1; display: flex; justify-content: flex-end; }

/* Entries list */
.entries { display: flex; flex-direction: column; gap: 0.75rem; }
.entry {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.9rem;
}
.entry-header {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 1rem; margin-bottom: 0.5rem;
}
.entry-header .incident-date { font-weight: 600; font-size: 1.05rem; }
.entry-header .logged-at { color: var(--muted); font-size: 0.8rem; }
.entry dl {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 0.25rem 0.75rem;
  margin: 0;
}
.entry dt {
  color: var(--muted);
  font-size: 0.85rem;
  overflow-wrap: break-word;
  word-break: break-word;
}
.entry dd {
  margin: 0;
  min-width: 0;
  overflow-wrap: break-word;
  word-break: break-word;
}
.entry dd.multiline { white-space: pre-wrap; }

.corrections {
  margin-top: 0.75rem;
  border-top: 1px dashed var(--border);
  padding-top: 0.5rem;
}
.corrections h3 { font-size: 0.85rem; color: var(--muted); margin: 0 0 0.4rem; text-transform: uppercase; letter-spacing: 0.05em; }
.correction {
  background: var(--correction-bg);
  border-left: 3px solid var(--correction-border);
  padding: 0.4rem 0.6rem;
  margin-bottom: 0.3rem;
  font-size: 0.9rem;
  overflow-wrap: break-word;
  word-break: break-word;
}
.correction .meta { color: var(--muted); font-size: 0.75rem; }

.add-correction {
  margin-top: 0.5rem;
  display: flex; gap: 0.5rem; align-items: flex-start;
}
.add-correction textarea { flex: 1; min-height: 2.5em; }

/* Saturday table */
.saturday-table-wrap {
  overflow-x: auto;
  max-width: 100%;
  -webkit-overflow-scrolling: touch;
}
.saturday-table {
  width: 100%; border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--border);
}
.saturday-table th, .saturday-table td {
  border: 1px solid var(--border);
  padding: 0.4rem 0.55rem;
  text-align: left;
  font-size: 0.9rem;
  vertical-align: top;
}
.saturday-table th { background: #eef2f8; font-weight: 600; }
.saturday-table tr.has-corrections td { border-bottom: none; }
.saturday-table tr.correction-row td {
  background: var(--correction-bg);
  border-top: 1px dashed var(--correction-border);
  font-size: 0.85rem;
}

.empty {
  padding: 1.5rem; text-align: center; color: var(--muted);
  background: var(--panel); border: 1px dashed var(--border-strong); border-radius: 6px;
}

/* Role gating */
body[data-role="viewer"] .editor-only { display: none !important; }

/* Print */
@media print {
  body { background: #fff; font-size: 11pt; }
  #app { max-width: none; padding: 0; }
  .no-print, .add-form, .add-correction { display: none !important; }
  .tab-panel[hidden] { display: none !important; }
  .entry, .saturday-table { break-inside: avoid; box-shadow: none; }
  .entry { border-color: #999; }
  .app-header { border-bottom: 2px solid #000; margin-bottom: 0.5rem; }
}

@media (max-width: 600px) {
  .entry-form { grid-template-columns: 1fr; }
  .tabs { flex-wrap: wrap; }
}