:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --border: #e2e4e9;
  --text: #1c1f26;
  --text-muted: #6b7280;
  --accent: #2f6f4e;
  --accent-hover: #255a3f;
  --danger: #c0392b;
  --warn: #b7791f;
  --radius: 8px;
  --status-planned: #6b7280;
  --status-confirmed: #2f6f4e;
  --status-in_progress: #b7791f;
  --status-done: #1f6feb;
  --status-cancelled: #9ca3af;
  --status-no_show: #c0392b;
}

* { box-sizing: border-box; }

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

button {
  font-family: inherit;
  cursor: pointer;
}

input, select, textarea {
  font-family: inherit;
  font-size: 14px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
}

.btn {
  border: 1px solid var(--border);
  background: #fff;
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text);
}
.btn:hover { background: #f0f1f3; }
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger { color: var(--danger); border-color: var(--danger); background: #fff; }
.btn-danger:hover { background: #fdecea; }
.btn-sm { padding: 5px 10px; font-size: 13px; }

/* --- ekran logowania --- */
#login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: 360px;
  box-shadow: 0 4px 20px rgba(0,0,0,.05);
}
.login-card h1 { font-size: 20px; margin: 0 0 4px; }
.login-card p.sub { color: var(--text-muted); margin: 0 0 20px; font-size: 14px; }
.login-card form { display: flex; flex-direction: column; gap: 10px; }
.login-card .switch { margin-top: 14px; font-size: 13px; text-align: center; color: var(--text-muted); }
.login-card .switch a { color: var(--accent); cursor: pointer; }
.error-box {
  background: #fdecea; color: var(--danger); border: 1px solid #f5c6c2;
  border-radius: var(--radius); padding: 8px 10px; font-size: 13px; margin-bottom: 8px;
}

/* --- powłoka aplikacji --- */
#app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px;
  background: #16211b;
  color: #d7ddd8;
  display: flex;
  flex-direction: column;
  padding: 16px 0;
  flex-shrink: 0;
}
.sidebar .brand { padding: 0 18px 16px; font-weight: 600; font-size: 16px; color: #fff; border-bottom: 1px solid #24322a; margin-bottom: 8px; }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.sidebar nav button {
  background: none; border: none; color: #c3cbc4; text-align: left;
  padding: 10px 18px; font-size: 14px; border-radius: 0;
}
.sidebar nav button.active { background: #223327; color: #fff; border-left: 3px solid var(--accent); }
.sidebar nav button:hover { background: #1c2a21; }
.sidebar .sync-status { padding: 10px 18px; font-size: 12px; color: #8ba38f; }
.sidebar .logout { margin: 8px 18px 0; }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; background: var(--panel); border-bottom: 1px solid var(--border);
}
.topbar h2 { margin: 0; font-size: 18px; }
.content { padding: 24px; flex: 1; overflow: auto; }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.card + .card { margin-top: 16px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
table th { text-align: left; color: var(--text-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; padding: 8px 10px; border-bottom: 1px solid var(--border); }
table td { padding: 10px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
table tr:hover td { background: #fafbfa; }

.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar .spacer { flex: 1; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 12px; font-size: 12px; color: #fff; }
.badge.planned { background: var(--status-planned); }
.badge.confirmed { background: var(--status-confirmed); }
.badge.in_progress { background: var(--status-in_progress); }
.badge.done { background: var(--status-done); }
.badge.cancelled { background: var(--status-cancelled); }
.badge.no_show { background: var(--status-no_show); }

/* --- kalendarz tygodniowy --- */
.week-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; }
.day-col { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); min-height: 260px; display: flex; flex-direction: column; }
.day-col .day-head { padding: 8px 10px; border-bottom: 1px solid var(--border); font-size: 13px; font-weight: 600; display: flex; justify-content: space-between; align-items: center; }
.day-col.today .day-head { background: #eef6f0; }
.day-col .day-body { padding: 8px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.appt-chip {
  background: #f0f4f1; border-left: 3px solid var(--accent); border-radius: 6px;
  padding: 6px 8px; font-size: 12px; cursor: pointer;
}
.appt-chip:hover { background: #e5ede7; }
.appt-chip .t { font-weight: 600; }
.appt-chip .who { color: var(--text-muted); }
.add-day-btn { border: 1px dashed var(--border); background: none; border-radius: 6px; padding: 6px; font-size: 12px; color: var(--text-muted); margin: 6px 8px 8px; }
.add-day-btn:hover { border-color: var(--accent); color: var(--accent); }

/* --- modal --- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.35);
  display: flex; align-items: center; justify-content: center; z-index: 50;
}
.modal {
  background: #fff; border-radius: 10px; width: 480px; max-width: 92vw;
  max-height: 88vh; overflow: auto; padding: 22px;
}
.modal h3 { margin: 0 0 14px; }
.form-row { margin-bottom: 12px; display: flex; flex-direction: column; gap: 4px; }
.form-row label { font-size: 13px; color: var(--text-muted); }
.form-row-inline { display: flex; gap: 10px; }
.form-row-inline > .form-row { flex: 1; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
.service-check-list { display: flex; flex-direction: column; gap: 6px; max-height: 160px; overflow: auto; border: 1px solid var(--border); border-radius: var(--radius); padding: 8px; }
.service-check-list label { display: flex; gap: 8px; align-items: center; font-size: 14px; }

.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 16px; }
.stat-box { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.stat-box .label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; }
.stat-box .value { font-size: 26px; font-weight: 700; margin-top: 4px; }

.hidden { display: none !important; }

@media (max-width: 900px) {
  .week-grid { grid-template-columns: repeat(2, 1fr); }
  .sidebar { width: 64px; }
  .sidebar .brand, .sidebar nav button span.label { display: none; }
  .stat-grid { grid-template-columns: 1fr; }
}