:root {
  --color-bg: #f4f5f7;
  --color-surface: #ffffff;
  --color-border: #d7dbe0;
  --color-text: #1c222b;
  --color-text-muted: #5b6472;
  --color-primary: #1f4e8c;
  --color-primary-dark: #163a68;
  --color-accent: #0f7a52;
  --color-danger: #b3261e;
  --color-danger-bg: #fdecea;
  --color-warning-bg: #fff4de;
  --color-overdue: #b3261e;
  --color-complete-bg: #e8f5ee;
  --radius: 6px;
  --touch-target: 2.4rem;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.4;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  background: var(--color-primary-dark);
  color: #fff;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding: 0.6rem 1.2rem;
}
.site-header__brand { display: flex; flex-direction: column; margin-right: 1.5rem; }
.site-header__title { font-size: 1.25rem; font-weight: 700; letter-spacing: 0.02em; }
.site-header__subtitle { font-size: 0.75rem; color: #c6d3e6; }

.site-nav { display: flex; flex-wrap: wrap; gap: 1rem; flex: 1; }
.site-nav a { color: #e8edf5; font-weight: 600; font-size: 0.92rem; padding: 0.3rem 0; }
.site-nav a:hover { color: #fff; text-decoration: underline; }

.site-header__user { display: flex; align-items: center; gap: 0.75rem; font-size: 0.88rem; color: #dbe4f0; }
.site-header__user a { color: #dbe4f0; }

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge--role { background: #2f6fc1; color: #fff; }

.inline-form { display: inline; }
.link-button {
  background: none;
  border: none;
  color: #dbe4f0;
  font: inherit;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}

.page { max-width: 1400px; margin: 0 auto; padding: 1.2rem; }

.site-footer {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.78rem;
  padding: 1.5rem 1rem 2rem;
}

h1 { font-size: 1.5rem; margin: 0 0 0.9rem; }
h2 { font-size: 1.2rem; margin: 1.4rem 0 0.6rem; }

.messages { list-style: none; padding: 0; margin: 0 0 1rem; }
.message {
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  font-size: 0.92rem;
}
.message--success { background: var(--color-complete-bg); color: #0f5132; }
.message--error { background: var(--color-danger-bg); color: var(--color-danger); }
.message--warning { background: var(--color-warning-bg); color: #7a5b00; }
.message--info { background: #e7eef8; color: var(--color-primary-dark); }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.1rem;
  margin-bottom: 1.1rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-end;
  margin-bottom: 1rem;
}
.toolbar .field { display: flex; flex-direction: column; gap: 0.25rem; }
.toolbar label { font-size: 0.78rem; color: var(--color-text-muted); font-weight: 600; }

.input, select.input, textarea.input {
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  background: #fff;
  min-height: var(--touch-target);
}
textarea.input { min-height: 4rem; }

.btn {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  min-height: var(--touch-target);
}
.btn:hover { background: var(--color-primary-dark); }
.btn--secondary { background: #fff; color: var(--color-primary); }
.btn--danger { background: var(--color-danger); border-color: var(--color-danger); }
.btn--small { padding: 0.3rem 0.7rem; font-size: 0.82rem; min-height: auto; }

.table-wrap { overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius); background: var(--color-surface); }

table.schedule {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  min-width: 900px;
}
table.schedule th, table.schedule td {
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  white-space: nowrap;
}
table.schedule th {
  background: #eef1f6;
  position: sticky;
  top: 0;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
}
table.schedule th a { color: inherit; }
table.schedule tbody tr:hover { background: #f7f9fc; }

.row--overdue { background: var(--color-danger-bg) !important; }
.row--overdue td.col-due { color: var(--color-overdue); font-weight: 700; }
.pill-overdue {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0.05rem 0.4rem;
  border-radius: 999px;
  background: var(--color-danger);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
}

.checkbox-cell { text-align: center; }
.checkbox-cell input[type="checkbox"] {
  width: 1.6rem;
  height: 1.6rem;
  cursor: pointer;
}

.progress-meta { font-size: 0.68rem; color: var(--color-text-muted); display: block; margin-top: 0.1rem; white-space: nowrap; }

.lane-unassigned { color: var(--color-text-muted); font-style: italic; }

.pagination { margin-top: 1rem; display: flex; gap: 0.5rem; align-items: center; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.form-row { display: flex; flex-direction: column; gap: 0.3rem; margin-bottom: 0.9rem; }
.form-row label { font-weight: 600; font-size: 0.88rem; }
.help-text { font-size: 0.78rem; color: var(--color-text-muted); }
.error-text { color: var(--color-danger); font-size: 0.82rem; }

.import-mapping-table, .lane-grid-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.import-mapping-table th, .import-mapping-table td,
.lane-grid-table th, .lane-grid-table td {
  padding: 0.4rem 0.6rem; border-bottom: 1px solid var(--color-border); text-align: left;
}

.summary-grid { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.summary-tile {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.8rem 1.2rem;
  min-width: 120px;
}
.summary-tile strong { display: block; font-size: 1.5rem; }

.login-wrap {
  max-width: 380px;
  margin: 4rem auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
}
.login-wrap h1 { text-align: center; }
.login-brand { text-align: center; color: var(--color-text-muted); margin-bottom: 1.5rem; font-size: 0.85rem; }

@media (max-width: 760px) {
  .site-header { flex-direction: column; align-items: flex-start; }
  .site-nav { gap: 0.6rem; }
  table.schedule { font-size: 0.85rem; }
}