:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --line: #dfe3e8;
  --text: #1f2933;
  --muted: #667085;
  --primary: #0f766e;
  --primary-dark: #115e59;
  --danger: #b42318;
  --early: #e0f2fe;
  --late: #fef3c7;
  --both: #dcfce7;
  --off: #f1f5f9;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  min-height: 38px;
  border: 0;
  border-radius: 6px;
  padding: 0 14px;
  color: #fff;
  background: var(--primary);
  cursor: pointer;
}

button:hover {
  background: var(--primary-dark);
}

.secondary-btn {
  color: var(--text);
  background: #eef2f6;
}

.secondary-btn:hover {
  background: #dfe6ee;
}

.danger-btn {
  background: var(--danger);
}

.danger-btn:hover {
  background: #912018;
}

input,
select,
textarea {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 10px;
  background: #fff;
}

textarea {
  min-height: 72px;
  resize: vertical;
}

.hidden {
  display: none !important;
}

.login-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(380px, 100%);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.login-panel h1 {
  margin: 0 0 22px;
  font-size: 24px;
}

.login-panel label {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--muted);
}

.login-panel button {
  width: 100%;
  margin-top: 8px;
}

.message {
  min-height: 22px;
  color: var(--danger);
}

.app-shell {
  display: grid;
  min-height: 100vh;
  grid-template-columns: 220px 1fr;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  border-right: 1px solid var(--line);
  background: #101828;
}

.brand {
  margin-bottom: 18px;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
}

.nav,
.logout {
  width: 100%;
  justify-content: flex-start;
  color: #d0d5dd;
  background: transparent;
  text-align: left;
}

.nav.active,
.nav:hover {
  color: #fff;
  background: #344054;
}

.logout {
  margin-top: auto;
  color: #fda29b;
}

.content {
  min-width: 0;
  padding: 22px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.topbar h2 {
  margin: 0;
  font-size: 22px;
}

.tab {
  display: none;
}

.tab.active {
  display: block;
}

.toolbar {
  display: grid;
  grid-template-columns: repeat(6, minmax(120px, 1fr));
  gap: 10px;
  align-items: start;
  margin-bottom: 16px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.toolbar.wide {
  grid-template-columns: repeat(8, minmax(110px, 1fr));
}

.toolbar textarea {
  grid-column: span 3;
}

.table {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 11px 12px;
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 600;
  background: #f8fafc;
}

tr:last-child td {
  border-bottom: 0;
}

td button {
  min-height: 30px;
  margin-right: 6px;
  padding: 0 10px;
}

.legend {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--muted);
}

.legend span {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.calendar {
  display: grid;
  grid-template-columns: repeat(7, minmax(88px, 1fr));
  gap: 8px;
}

.day {
  min-height: 94px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.day strong {
  display: block;
  margin-bottom: 8px;
}

.day select {
  width: 100%;
}

.day.early {
  background: var(--early);
}

.day.late {
  background: var(--late);
}

.day.both {
  background: var(--both);
}

.day.off {
  background: var(--off);
}

.manager-layout {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.editor-panel {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.editor-panel label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.editor-panel .full {
  grid-column: 1 / -1;
}

.form-actions {
  display: flex;
  gap: 10px;
}

.gallery-panel {
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.gallery-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.card-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
}

.gallery-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.gallery-image-link {
  display: block;
  height: 240px;
  background: #f2f4f7;
}

.gallery-image-link img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.image-empty {
  height: 100%;
  display: grid;
  place-items: center;
  color: var(--muted);
}

.gallery-info {
  display: grid;
  gap: 4px;
  padding: 10px;
}

.gallery-info strong {
  font-size: 14px;
}

.gallery-info span,
.gallery-info small {
  color: var(--muted);
}

.gallery-actions {
  display: flex;
  gap: 8px;
  padding: 0 10px 10px;
}

.gallery-actions button {
  flex: 1;
}

.empty-state {
  padding: 28px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 920px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .brand,
  .logout {
    grid-column: 1 / -1;
  }

  .toolbar,
  .toolbar.wide {
    grid-template-columns: 1fr;
  }

  .toolbar textarea {
    grid-column: auto;
  }

  .calendar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .manager-layout {
    grid-template-columns: 1fr;
  }
}