/* ============================================================
   KOMPONENTEN: Buttons, Forms, Tabellen, Modal, Toast, Kalender
   ============================================================ */

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  font-weight: 500;
  font-family: inherit;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
  line-height: 1.2;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-primary-text);
  border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn--secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.btn--secondary:hover {
  background: var(--color-surface-alt);
}

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

.btn--small {
  min-height: 36px;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

/* --- Formulare --- */
.form-field {
  margin-bottom: var(--space-4);
}

.form-field label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.form-field .required-marker {
  color: var(--color-danger);
  margin-left: 2px;
}
.form-field .required-marker::after {
  content: " (Pflichtfeld)";
  position: absolute;
  width: 1px; height: 1px; overflow: hidden;
  clip: rect(0,0,0,0);
}

.form-field input[type="text"],
.form-field input[type="date"],
.form-field input[type="time"],
.form-field input[type="number"],
.form-field input[type="color"],
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 44px;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-base);
  font-family: inherit;
  border: 2px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
}

.form-field textarea {
  min-height: 88px;
  resize: vertical;
}

.form-field input[type="color"] {
  height: 44px;
  padding: 2px;
  cursor: pointer;
}

.form-field .help-text {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.form-field .error-text {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-danger);
  margin-top: var(--space-1);
  font-weight: 600;
}

.form-field--invalid input,
.form-field--invalid select,
.form-field--invalid textarea {
  border-color: var(--color-danger);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
}

/* Checkbox-Liste (Ziele auswählen) */
.checkbox-list {
  border: 2px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  max-height: 200px;
  overflow-y: auto;
  background: var(--color-surface);
}

.checkbox-list label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-2);
  cursor: pointer;
  font-weight: normal;
  border-radius: var(--radius-sm);
}

.checkbox-list label:hover {
  background: var(--color-surface-alt);
}

.checkbox-list input[type="checkbox"] {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* --- Tabellen --- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
}

.data-table th,
.data-table td {
  text-align: left;
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.data-table th {
  background: var(--color-surface-alt);
  font-weight: 700;
  border-bottom: 2px solid var(--color-border-strong);
}

.data-table tr:hover td {
  background: var(--color-surface-alt);
}

.data-table .actions {
  white-space: nowrap;
}

/* Mobil-Darstellung: Tabellen scrollbar */
.table-wrap {
  overflow-x: auto;
  margin: 0 calc(-1 * var(--space-3));
  padding: 0 var(--space-3);
}

/* --- Mitarbeiter-Farb-Chip (NICHT nur Farbe – immer mit Text!) --- */
.color-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: 999px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.color-chip__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--color-text);
  flex-shrink: 0;
}

/* --- Modal --- */
.modal-root {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  z-index: 100;
}

.modal-root[hidden] {
  display: none;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--space-5);
}

.modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.modal__title {
  margin: 0;
}

.modal__close {
  background: transparent;
  border: 2px solid transparent;
  font-size: 1.5rem;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--radius-md);
  color: var(--color-text);
}
.modal__close:hover {
  background: var(--color-surface-alt);
}

/* --- Toast --- */
.toast-root {
  position: fixed;
  bottom: var(--space-4);
  right: var(--space-4);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 360px;
}

.toast {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  background: var(--color-text);
  color: #fff;
  font-weight: 500;
}

.toast--success {
  background: var(--color-success-text);
}
.toast--error {
  background: var(--color-danger);
}
.toast--warning {
  background: var(--color-warning-text);
}

/* --- Kalender --- */
.calendar-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.calendar-controls h2 {
  margin: 0;
  flex: 1;
  text-align: center;
  min-width: 180px;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.calendar-grid__head {
  background: var(--color-surface-alt);
  font-weight: 700;
  text-align: center;
  padding: var(--space-2);
  font-size: var(--font-size-sm);
}

.calendar-day {
  background: var(--color-surface);
  min-height: 90px;
  padding: var(--space-2);
  cursor: pointer;
  border: 2px solid transparent;
  text-align: left;
  font-family: inherit;
  font-size: var(--font-size-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.calendar-day:hover:not(:disabled) {
  border-color: var(--color-primary);
}

.calendar-day:disabled {
  background: var(--color-surface-alt);
  cursor: default;
  opacity: 0.5;
}

.calendar-day--sunday {
  background: var(--color-sunday-bg);
  border-left: 4px solid var(--color-sunday-border);
}

.calendar-day--holiday {
  background: var(--color-holiday-bg);
  border-left: 4px solid var(--color-holiday-border);
}

.calendar-day--today {
  outline: 3px solid var(--color-primary);
  outline-offset: -3px;
}

.calendar-day__num {
  font-weight: 700;
  font-size: var(--font-size-base);
}

.calendar-day__label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.calendar-day__assignments {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: auto;
}

.calendar-day__assignment {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  padding: 2px 4px;
  border-radius: 3px;
  background: var(--color-surface-alt);
}

.calendar-day__assignment-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1.5px solid var(--color-text);
  flex-shrink: 0;
}

@media (max-width: 600px) {
  .calendar-day {
    min-height: 70px;
    padding: var(--space-1);
  }
  .calendar-day__assignment {
    font-size: 0.65rem;
  }
}

/* --- Hinweise / Banner --- */
.banner {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 2px solid;
  margin-bottom: var(--space-4);
  font-weight: 500;
}

.banner--warning {
  background: var(--color-warning-bg);
  border-color: var(--color-warning-border);
  color: var(--color-warning-text);
}

.banner--info {
  background: #e3effa;
  border-color: var(--color-primary);
  color: var(--color-primary-hover);
}

.banner--success {
  background: var(--color-success-bg);
  border-color: var(--color-success-border);
  color: var(--color-success-text);
}

/* --- Badges --- */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border: 1.5px solid;
}
.badge--planned { background: #e3effa; border-color: var(--color-primary); color: var(--color-primary-hover); }
.badge--done    { background: var(--color-success-bg); border-color: var(--color-success-border); color: var(--color-success-text); }
.badge--checked { background: var(--color-warning-bg); border-color: var(--color-warning-border); color: var(--color-warning-text); }
.badge--inactive { background: var(--color-surface-alt); border-color: var(--color-border-strong); color: var(--color-text-muted); }

/* --- Filterzeile --- */
.filter-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-3);
  background: var(--color-surface-alt);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}

/* --- Stundenzettel-Ansicht --- */
.timesheet {
  background: #fff;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.timesheet__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.timesheet__total {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 2px solid var(--color-border-strong);
}

.signature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  margin-top: var(--space-7);
}

.signature-box {
  border-top: 1.5px solid var(--color-text);
  padding-top: var(--space-2);
  font-size: var(--font-size-sm);
}