/* ==========================================================================
   Dienstplanapplikation - Modern Responsive Stylesheet (Ab 360px mobilfähig)
   ========================================================================== */

:root {
  --primary: #1e40af;
  --primary-hover: #1d4ed8;
  --primary-light: #dbeafe;
  --secondary: #475569;
  --success: #15803d;
  --success-light: #dcfce7;
  --warning: #b45309;
  --warning-light: #fef3c7;
  --danger: #b91c1c;
  --danger-light: #fee2e2;
  --bg-main: #f8fafc;
  --card-bg: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  font-size: 15px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ----------------- Top Navigation ----------------- */
.navbar {
  background-color: #0f172a;
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
  gap: 1rem;
}

.navbar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: #ffffff;
  text-decoration: none;
  white-space: nowrap;
}

.navbar-brand .brand-badge {
  background-color: var(--primary);
  font-size: 0.7rem;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 700;
}

.navbar-toggler {
  display: none;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  padding: 8px 7px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 38px;
  height: 38px;
  box-sizing: border-box;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.navbar-toggler:hover,
.navbar-toggler:focus-visible {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.4);
  outline: none;
}

.toggler-icon {
  display: block;
  width: 20px;
  height: 2px;
  background-color: #ffffff;
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.navbar-toggler.is-active .toggler-icon:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.navbar-toggler.is-active .toggler-icon:nth-child(2) {
  opacity: 0;
}

.navbar-toggler.is-active .toggler-icon:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.navbar-collapse {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 1;
  gap: 1rem;
}

.nav-links {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  flex-wrap: wrap;
}

.nav-links a {
  color: #cbd5e1;
  text-decoration: none;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.15s ease-in-out;
}

.nav-links a:hover,
.nav-links a.active {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.12);
}

.nav-links a.nav-planner-item {
  color: #38bdf8;
}

.nav-links a.nav-planner-item:hover,
.nav-links a.nav-planner-item.active {
  color: #7dd3fc;
  background-color: rgba(56, 189, 248, 0.16);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: #94a3b8;
  white-space: nowrap;
}

.nav-user-name {
  color: #e2e8f0;
  font-weight: 500;
}

.user-role-badge {
  padding: 0.2rem 0.5rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.75rem;
  background-color: #334155;
  color: #f1f5f9;
}
.user-role-badge.admin { background-color: #7c3aed; color: #fff; }
.user-role-badge.planner { background-color: #0284c7; color: #fff; }
.user-role-badge.employee { background-color: #059669; color: #fff; }
.user-role-badge.aushilfe { background-color: #d97706; color: #fff; }

.btn-logout {
  color: #f87171 !important;
  font-size: 0.85rem !important;
}
.btn-logout:hover {
  background-color: rgba(239, 68, 68, 0.15) !important;
}

/* ----------------- Subnavigation für Ansichten (A01) ----------------- */
.view-tabs {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 0.5rem 1.25rem;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  white-space: nowrap;
}

.view-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--secondary);
  background-color: #f1f5f9;
  transition: all 0.15s;
}

.view-tab-btn.active {
  background-color: var(--primary);
  color: #ffffff;
}

.view-tab-btn:hover:not(.active) {
  background-color: #e2e8f0;
  color: var(--text-main);
}

/* ----------------- Container & Layout ----------------- */
.container {
  max-width: 1300px;
  width: 100%;
  margin: 0 auto;
  padding: 1.25rem;
  flex: 1;
}

.container-fluid {
  width: 100%;
  padding: 1rem 1.25rem;
  flex: 1;
}

/* ----------------- Flash Messages / Alerts ----------------- */
.alert {
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid transparent;
}
.alert-success { background-color: var(--success-light); color: var(--success); border-color: #bbf7d0; }
.alert-warning { background-color: var(--warning-light); color: var(--warning); border-color: #fde68a; }
.alert-danger  { background-color: var(--danger-light); color: var(--danger); border-color: #fecaca; }
.alert-info    { background-color: var(--primary-light); color: var(--primary); border-color: #bfdbfe; }

/* ----------------- Cards ----------------- */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.25rem;
  overflow: hidden;
}

.card-header {
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  background-color: #fafbfc;
}

.card-header h2, .card-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
}

.card-body {
  padding: 1.25rem;
}

/* ----------------- Buttons ----------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-weight: 500;
  padding: 0.5rem 0.9rem;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease-in-out;
}

.btn-primary { background-color: var(--primary); color: #fff; }
.btn-primary:hover { background-color: var(--primary-hover); }

.btn-secondary { background-color: #e2e8f0; color: #1e293b; border-color: #cbd5e1; }
.btn-secondary:hover { background-color: #cbd5e1; }

.btn-success { background-color: var(--success); color: #fff; }
.btn-success:hover { background-color: #166534; }

.btn-danger { background-color: var(--danger); color: #fff; }
.btn-danger:hover { background-color: #991b1b; }

.btn-warning { background-color: #d97706; color: #fff; }
.btn-warning:hover { background-color: #b45309; }

.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.8rem; }
.btn-lg { padding: 0.75rem 1.35rem; font-size: 1rem; }

/* ----------------- Formularen ----------------- */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--secondary);
  margin-bottom: 0.35rem;
}

.form-control, .form-select {
  width: 100%;
  padding: 0.55rem 0.75rem;
  font-size: 0.92rem;
  border-radius: var(--radius-sm);
  border: 1px solid #cbd5e1;
  background-color: #ffffff;
  color: var(--text-main);
  transition: border-color 0.15s;
}

.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.15);
}

/* ----------------- Badges für Schichten & Status ----------------- */
.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-align: center;
  white-space: nowrap;
}

/* Schicht-Kürzel Farben */
.shift-badge {
  font-weight: 700;
  border-radius: 4px;
  padding: 0.2rem 0.45rem;
  font-size: 0.82rem;
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  background-color: #e0e7ff;
  color: #3730a3;
  border: 1px solid #c7d2fe;
}

.shift-badge.TD { background-color: #e0f2fe; color: #0369a1; border: 1px solid #bae6fd; } /* Tagdienst Blau */
.shift-badge.SD { background-color: #fdf2f8; color: #db2777; border: 1px solid #fbcfe8; } /* Spätdienst Pink */
.shift-badge.ND { background-color: #ede9fe; color: #6d28d9; border: 1px solid #ddd6fe; } /* Nachtdienst Violett */
.shift-badge.KF { background-color: #e0f2fe; color: #0284c7; border: 1px solid #7dd3fc; } /* Kurzer Tagdienst Cyan */
.shift-badge.BR { background-color: #f1f5f9; color: #475569; border: 1px solid #cbd5e1; } /* Büro Schiefer */
.shift-badge.HF { background-color: #d1fae5; color: #059669; border: 1px solid #a7f3d0; } /* Halber Frühdienst Smaragd */
.shift-badge.KS { background-color: #ffedd5; color: #ea580c; border: 1px solid #fed7aa; } /* Kurzer Spätdienst Orange */
.shift-badge.HS { background-color: #fef9c3; color: #ca8a04; border: 1px solid #fef08a; } /* Halber Spätdienst Gelb */
.shift-badge.KU { background-color: #ede9fe; color: #7c3aed; border: 1px solid #ddd6fe; } /* Klinischer Unterricht */
.shift-badge.Kr, .shift-badge.KR, .shift-badge.K { background-color: #fee2e2; color: #b91c1c; border: 1px solid #fecaca; font-weight: 700; } /* Krank Rot */
.shift-badge.ZD { background-color: #fae8ff; color: #a21caf; border: 1px solid #f5d0fe; } /* Zwischendienst Pink */
.shift-badge.BD { background-color: #ffedd5; color: #c2410c; border: 1px solid #fed7aa; } /* Bereitschaft Orange */
.shift-badge.U  { background-color: #ccfbf1; color: #0f766e; border: 1px solid #99f6e4; } /* Urlaub */
.shift-badge.SP { background-color: #f1f5f9; color: #475569; border: 1px solid #cbd5e1; } /* Sperre */
.shift-badge.FREE { background-color: #f8fafc; color: #94a3b8; border: 1px dashed #cbd5e1; } /* Frei */

.badge-draft { background-color: #fef3c7; color: #b45309; }
.badge-published { background-color: #dcfce7; color: #15803d; }
.badge-unassigned { background-color: #fee2e2; color: #b91c1c; font-weight: 700; }

/* ----------------- Tabellen ----------------- */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table-responsive.sticky-table-wrap {
  max-height: 75vh;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.table th, .table td {
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border-color);
  vertical-align: middle;
}

.table th {
  background-color: #f8fafc;
  font-weight: 600;
  color: var(--secondary);
  text-align: left;
  position: sticky;
  top: 0;
  z-index: 3;
  box-shadow: inset 0 -1px 0 var(--border-color), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.table tbody tr:hover {
  background-color: #f8fafc;
}

/* ----------------- Kalender-Raster für A02 (Monatsansicht) ----------------- */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-top: 1rem;
}

.calendar-header-day {
  text-align: center;
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--secondary);
  padding: 0.4rem;
  background-color: #f1f5f9;
  border-radius: var(--radius-sm);
}

.calendar-cell {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  min-height: 90px;
  padding: 0.45rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s;
}

.calendar-cell.weekend {
  background-color: #fbfcfd;
}

.calendar-cell.holiday {
  background-color: #fffbeb;
  border-color: #fef3c7;
}

.calendar-cell.today {
  border: 2px solid var(--primary);
}

.calendar-cell.empty {
  background-color: transparent;
  border-color: transparent;
}

.cell-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.35rem;
}

.cell-date {
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--text-main);
}

.holiday-name {
  font-size: 0.68rem;
  color: #b45309;
  font-weight: 600;
  line-height: 1.1;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

.cell-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

/* ----------------- Dienstplan-Matrix (Roster Matrix) ----------------- */
.roster-table {
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.8rem;
}

.roster-table th, .roster-table td {
  padding: 0.35rem 0.45rem;
  border: 1px solid #e2e8f0;
  text-align: center;
  white-space: nowrap;
}

.roster-table thead tr:first-child th {
  position: sticky;
  top: 0;
  z-index: 4;
  background-color: #f8fafc;
}

.roster-table thead tr:first-child th:not([rowspan]) {
  height: 26px;
}

.roster-table thead tr:nth-child(2) th {
  position: sticky;
  top: 26px;
  z-index: 4;
  background-color: #f8fafc;
  box-shadow: inset 0 -1px 0 #cbd5e1, 0 2px 4px -1px rgba(0, 0, 0, 0.08);
}

.roster-table .sticky-col {
  position: sticky;
  left: 0;
  background-color: #ffffff;
  z-index: 2;
  text-align: left;
  font-weight: 600;
  box-shadow: 2px 0 5px -2px rgba(0,0,0,0.1);
}

.roster-table thead th.sticky-col {
  position: sticky;
  top: 0;
  left: 0;
  background-color: #f1f5f9;
  z-index: 6;
}

.roster-table .col-weekend {
  background-color: #f8fafc;
}

.roster-table thead th.col-weekend {
  background-color: #f1f5f9;
}

.roster-table .col-holiday {
  background-color: #fefce8;
}

.roster-table thead th.col-holiday {
  background-color: #fef9c3;
}

/* Sortierbare Tabellenspalten (Mitarbeiter, Pensum & Tage) */
.roster-table th.sortable-col,
.table th.sortable-col {
  cursor: pointer;
  user-select: none;
  transition: background-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.roster-table th.sortable-col:hover,
.table th.sortable-col:hover {
  background-color: #e2e8f0 !important;
  color: var(--primary) !important;
}

.roster-table th.sortable-col.is-sorted,
.table th.sortable-col.is-sorted {
  background-color: #dbeafe !important;
  color: #1e40af !important;
}

.roster-table .sort-indicator,
.table .sort-indicator {
  display: inline-block;
  font-size: 0.75rem;
  opacity: 0.6;
  margin-left: 0.25rem;
  vertical-align: middle;
}

.roster-table th.sortable-col.is-sorted .sort-indicator,
.table th.sortable-col.is-sorted .sort-indicator {
  opacity: 1;
  font-weight: 700;
  color: #1e40af;
}

/* ----------------- Responsive Breakpoints (Handy & Tablet bis 992 px) ----------------- */
@media (max-width: 992px) {
  .navbar {
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1rem;
    gap: 0;
  }

  .navbar-header {
    width: 100%;
  }

  .navbar-toggler {
    display: inline-flex;
  }

  .navbar-collapse {
    display: none;
    width: 100%;
    margin-left: 0;
    padding-top: 0.85rem;
    margin-top: 0.65rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    flex-direction: column;
    gap: 0.75rem;
    animation: navFadeIn 0.2s ease-in-out;
  }

  .navbar-collapse.show {
    display: flex;
  }

  .navbar-collapse .nav-links {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 0.25rem;
  }

  .navbar-collapse .nav-links a {
    display: block;
    width: 100%;
    padding: 0.6rem 0.85rem;
    font-size: 0.95rem;
  }

  .navbar-collapse .nav-user {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.6rem;
    width: 100%;
    padding: 0.75rem 0.85rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: 0.25rem;
  }

  .navbar-collapse .nav-user .btn-logout {
    padding: 0.35rem 0.65rem;
    background: rgba(239, 68, 68, 0.12);
    border-radius: var(--radius-sm);
  }
}

@keyframes navFadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ----------------- Responsive Breakpoints (Mobil ab 360 px / Smartphones) ----------------- */
@media (max-width: 768px) {
  .calendar-grid {
    gap: 3px;
  }

  .calendar-cell {
    min-height: 75px;
    padding: 0.25rem;
  }

  .shift-badge {
    font-size: 0.72rem;
    padding: 0.15rem 0.3rem;
  }

  .card-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .view-tabs {
    padding: 0.4rem 0.75rem;
  }
}