:root {
  --primary: #2f6f4f;
  --primary-dark: #234f39;
  --bg: #f5f7f5;
  --card-bg: #ffffff;
  --border: #dbe3dd;
  --text: #22302a;
  --muted: #6b7a72;
  --danger: #c0392b;
  --warn: #b8860b;
  --success: #2f6f4f;
  --radius: 10px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--primary-dark); }

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--primary);
  color: white;
  padding: 10px 16px;
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar .brand { font-weight: 700; font-size: 1.1rem; flex: 1; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.4rem;
  cursor: pointer;
}
.user-chip { font-size: 0.85rem; display: flex; align-items: center; gap: 6px; }
.role-badge {
  background: rgba(255,255,255,0.2);
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  text-transform: uppercase;
}

.layout { display: flex; min-height: calc(100vh - 48px); }
.sidebar {
  width: 220px;
  background: var(--primary-dark);
  display: flex;
  flex-direction: column;
  padding: 12px 0;
  flex-shrink: 0;
}
.sidebar a {
  color: #eafaf0;
  text-decoration: none;
  padding: 10px 18px;
  font-size: 0.95rem;
}
.sidebar a:hover { background: rgba(255,255,255,0.08); }

.content, .content-nologin { flex: 1; padding: 20px 24px; max-width: 1200px; }
.content-nologin { margin: 0 auto; }

h1 { font-size: 1.5rem; margin-top: 0; }
h2 { font-size: 1.15rem; margin-top: 32px; border-bottom: 1px solid var(--border); padding-bottom: 6px; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  margin: 16px 0;
}
.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}
.stat-value { font-size: 1.8rem; font-weight: 700; color: var(--primary-dark); }
.stat-label { color: var(--muted); font-size: 0.85rem; margin-top: 4px; }

.quick-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.btn, button, .btn-small, .btn-danger, .btn-secondary, .btn-tiny {
  display: inline-block;
  background: var(--primary);
  color: white;
  border: none;
  padding: 9px 16px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.9rem;
  text-decoration: none;
}
.btn:hover, button:hover { background: var(--primary-dark); }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #96271b; }
.btn-secondary { background: #57606a; }
.btn-small { padding: 5px 10px; font-size: 0.8rem; }
.btn-tiny { padding: 2px 6px; font-size: 0.7rem; }

table.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
table.data-table th, table.data-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: 0.9rem;
  vertical-align: top;
}
table.data-table th { background: #eef3ee; }
.cell-input { width: 100%; border: 1px solid transparent; background: transparent; padding: 4px; border-radius: 4px; }
.cell-input:focus { border-color: var(--primary); background: white; }
.row-actions form { display: inline; }

.form-grid, .inline-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 20px;
}
.form-grid fieldset, .form-grid button, .form-grid label[style] { grid-column: 1 / -1; }
.form-grid button, .inline-form button { grid-column: 1 / -1; justify-self: start; }
.form-narrow { max-width: 360px; }
label { font-size: 0.85rem; color: var(--muted); display: block; }
input, select, textarea {
  width: 100%;
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
  margin-top: 3px;
  font-family: inherit;
}
fieldset { border: 1px solid var(--border); border-radius: 6px; }
legend { color: var(--muted); font-size: 0.85rem; padding: 0 6px; }
.checkbox-label { display: inline-flex; align-items: center; gap: 4px; font-size: 0.85rem; margin: 3px 10px 3px 0; color: var(--text); }
.checkbox-label input { width: auto; margin: 0; }

.teacher-card, .subject-card, .group-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: 10px;
}
.teacher-card summary, .subject-card summary, .group-card summary { cursor: pointer; font-size: 0.95rem; }
.teacher-card form, .subject-card form, .group-card form { margin-top: 12px; }
.icon-lg { font-size: 1.3rem; }
.subjects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }

.muted { color: var(--muted); }
.small { font-size: 0.78rem; }
.error { color: var(--danger); }
.warn { color: var(--warn); }
.success { color: var(--success); }
.hint { color: var(--muted); font-size: 0.85rem; }
.flash { background: #e6f4ea; border: 1px solid #b7dcc3; color: var(--primary-dark); padding: 10px 14px; border-radius: var(--radius); margin-bottom: 16px; }

.status { padding: 2px 8px; border-radius: 999px; font-size: 0.8rem; }
.status-podpisana { background: #e2f3e6; color: var(--primary-dark); }
.status-oczekuje { background: #fdf2df; color: var(--warn); }
.pill { display: inline-block; background: #eef3ee; padding: 3px 10px; border-radius: 999px; font-size: 0.82rem; margin: 2px; }

.login-box { max-width: 380px; margin: 60px auto; background: var(--card-bg); border: 1px solid var(--border); padding: 28px; border-radius: var(--radius); }

.detail-panel { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.sign-box { background: #fdf7e8; border: 1px solid #eddca0; border-radius: var(--radius); padding: 14px; margin-top: 12px; }

.payments-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; margin: 14px 0; }
.payment-tile { border-radius: var(--radius); padding: 12px; text-align: center; border: 1px solid var(--border); }
.payment-tile.paid { background: #e6f4ea; }
.payment-tile.unpaid { background: #fdf2df; }
.payment-month { font-weight: 600; font-size: 0.9rem; }
.payment-amount { color: var(--muted); font-size: 0.85rem; margin: 4px 0; }
.payment-btn { width: 100%; margin-top: 6px; font-size: 0.8rem; padding: 6px; }

.schedule-scroll { overflow-x: auto; }
.schedule-table { min-width: 900px; }
.schedule-cell { min-width: 130px; vertical-align: top; }
.schedule-entry { background: #eef6f0; border: 1px solid var(--border); border-radius: 6px; padding: 6px; margin-bottom: 6px; font-size: 0.8rem; }

/* --- Listy: wyszukiwarka, miniatury --- */
.list-toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.search-box { flex: 1; min-width: 220px; }
.list-table td { vertical-align: middle; }
.thumb { width: 42px; height: 42px; object-fit: cover; border-radius: 6px; display: block; }
.thumb.thumb-round { border-radius: 50%; }

/* --- Formularze pełnej szerokości --- */
.form-wide { max-width: 900px; }
.form-wide .full-width { grid-column: 1 / -1; }
.big-textarea { min-height: 260px; resize: vertical; }

/* --- Pełnoekranowy podgląd (lekcja / wykładowca) --- */
.detail-hero { display: flex; gap: 20px; align-items: flex-start; background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 18px; flex-wrap: wrap; }
.poster { width: 220px; height: 220px; object-fit: cover; border-radius: var(--radius); flex-shrink: 0; }
.poster-placeholder { display: flex; align-items: center; justify-content: center; background: #eef3ee; }
.poster-round { border-radius: 50%; }
.icon-xl { font-size: 4rem; }
.detail-hero-info { flex: 1; min-width: 240px; }

/* --- Status Aktywny/Nieaktywny (uczeń) --- */
.status-toggle { border: none; border-radius: 999px; padding: 4px 12px; font-size: 0.8rem; cursor: pointer; }
.status-toggle-aktywny { background: #e2f3e6; color: var(--primary-dark); }
.status-toggle-nieaktywny { background: #eee; color: #777; }

/* --- Plan tygodniowy --- */
.week-nav { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 6px; }
.week-jump label { font-size: 0.8rem; }
.filter-form { align-items: end; margin-bottom: 20px; }
.room-accordion { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px 14px; margin-bottom: 12px; }
.room-accordion summary { cursor: pointer; padding: 6px 0; }
.hour-grid-wrap { overflow-x: auto; margin-top: 10px; }
table.hour-grid { border-collapse: collapse; min-width: 760px; width: 100%; }
table.hour-grid th, table.hour-grid td { border: 1px solid var(--border); padding: 4px; vertical-align: top; font-size: 0.8rem; }
table.hour-grid th { background: #eef3ee; text-align: center; }
.hour-col { width: 60px; text-align: center; background: #f5f7f5; font-weight: 600; white-space: nowrap; }
.hour-cell { min-width: 100px; height: 40px; }
.today-col { background: #fbfff9; }
.occ { background: #eef6f0; border: 1px solid #cfe4d5; border-radius: 6px; padding: 5px; margin-bottom: 4px; }
.occ-cancelled { background: #fbeae7; border-color: #f0c4bb; opacity: 0.85; }
.occ-moved { background: #fdf2df; border-color: #eddca0; }
.occ-moved-in { background: #e7f0fd; border-color: #bcd6f7; }
.occ-title { font-size: 0.82rem; }
.occ-tag { font-size: 0.7rem; font-weight: 600; margin: 3px 0; }
.tag-cancelled { color: var(--danger); }
.tag-moved { color: var(--warn); }
.occ-actions { display: flex; flex-wrap: wrap; gap: 3px; margin-top: 4px; }
.occ-actions form, .occ-actions details { display: inline; }
.move-form summary { list-style: none; }
.move-form[open] summary { margin-bottom: 6px; }
.move-form form { background: white; border: 1px solid var(--border); border-radius: 6px; padding: 8px; display: grid; gap: 6px; min-width: 180px; }
.move-form label { font-size: 0.72rem; }
.add-to-room { margin-top: 10px; }
.add-to-room form { margin-top: 8px; }

/* --- Ważne informacje (pulpit) --- */
.announcements-list { margin-top: 14px; display: flex; flex-direction: column; gap: 8px; }
.announcement-item { background: var(--card-bg); border: 1px solid var(--border); border-left: 4px solid var(--primary); border-radius: 6px; padding: 8px 12px; }
.announcement-msg { font-size: 0.9rem; }
.announcement-date { margin-top: 2px; }

/* --- Responsywność / mobile --- */
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .sidebar {
    position: fixed;
    left: -240px;
    top: 48px;
    bottom: 0;
    width: 220px;
    z-index: 30;
    transition: left 0.2s ease;
    box-shadow: 2px 0 8px rgba(0,0,0,0.2);
  }
  .sidebar.open { left: 0; }
  .content, .content-nologin { padding: 14px; }
  .user-chip span.role-badge { display: none; }
  table.data-table { display: block; overflow-x: auto; white-space: nowrap; }
  .form-grid, .inline-form { grid-template-columns: 1fr; }
}