:root {
  --color-bg: #f5f7fb;
  --color-surface: #ffffff;
  --color-primary: #1f6feb;
  --color-primary-strong: #1254c9;
  --color-accent: #ff914d;
  --color-text: #1d2733;
  --color-text-muted: #5b6b7b;
  --color-border: #e0e7f1;
  --color-success: #12b886;
  --color-warning: #f59f00;
  --shadow-sm: 0 10px 30px rgba(31, 111, 235, 0.08);
  --shadow-lg: 0 26px 60px rgba(9, 30, 66, 0.15);
  --radius-md: 16px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --transition: 0.25s ease;
  font-size: 16px;
}

/* Fullscreen Page View */
.page {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, #f8fbff 0%, #edf2ff 50%, #fef9f3 100%);
  z-index: 1100;
  display: grid;
  grid-template-rows: auto auto 1fr;
  padding: 24px;
}

.page__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.page__title {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 0 8px;
}

.page__content {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 20px;
  overflow: auto;
}

.page-list {
  display: grid;
  gap: 12px;
}

/* Top navigation for subpages */
.topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.9);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
}
.topnav__inner {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 16px;
}
.topnav__links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.topnav a {
  color: var(--color-text);
}
.topnav .active {
  color: var(--color-primary);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  background: linear-gradient(135deg, #f8fbff 0%, #edf2ff 50%, #fef9f3 100%);
  color: var(--color-text);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font-family: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 32px;
  min-height: 100vh;
  padding: 32px;
}

.sidebar {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  padding: 28px;
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 32px;
  height: calc(100vh - 64px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}

.brand-icon {
  font-size: 2.4rem;
}

.brand h1 {
  font-size: 1.35rem;
  margin: 0;
  line-height: 1.1;
}

.brand p {
  margin: 4px 0 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.nav {
  flex: 1;
  overflow-y: auto;
  padding-right: 12px;
}

.nav-section + .nav-section {
  margin-top: 24px;
}

.nav-label {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin: 0 0 10px;
}

.nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition),
    transform var(--transition);
}

.nav-link:hover {
  background: rgba(31, 111, 235, 0.09);
  color: var(--color-primary);
  transform: translateX(4px);
}

.nav-link.active {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.badge {
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.2);
  color: inherit;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.sidebar-footer {
  margin-top: 32px;
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
}

.sidebar-footer__title {
  margin: 0 0 4px;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.sidebar-footer__date {
  margin: 0 0 16px;
  font-weight: 600;
}

.primary-btn {
  width: 100%;
  padding: 12px 16px;
  border: none;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-strong));
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
}

.primary-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.primary-btn--ghost {
  background: rgba(31, 111, 235, 0.08);
  color: var(--color-primary);
}

.primary-btn--ghost:hover {
  box-shadow: none;
  transform: translateY(0);
  background: rgba(31, 111, 235, 0.14);
}

.primary-btn--ghost:active {
  background: rgba(31, 111, 235, 0.2);
}

.ghost-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(31, 111, 235, 0.14);
  border-radius: var(--radius-pill);
  color: var(--color-primary);
  padding: 10px 16px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
    border-color var(--transition);
}

.ghost-btn:hover {
  background: rgba(31, 111, 235, 0.1);
}

.ghost-btn--sm {
  padding: 8px 12px;
  font-size: 0.85rem;
}

.main {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.main-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 24px 28px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-lg);
}

.welcome {
  margin: 0 0 6px;
  color: var(--color-text-muted);
}

.main-header h2 {
  margin: 0;
  font-size: 1.65rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search {
  position: relative;
}

.search input {
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(31, 111, 235, 0.16);
  min-width: 240px;
  background: rgba(255, 255, 255, 0.8);
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ffa94d, #ff6b6b);
  display: grid;
  place-items: center;
  font-weight: 600;
  color: #fff;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid--stats {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.grid--content {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.card {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
}

.card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.card__header p {
  margin: 4px 0 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.stat-card__value {
  font-size: 2rem;
  margin: 0;
  font-weight: 700;
}

.stat-card__hint {
  margin: 0;
  color: var(--color-text-muted);
}

.tabs {
  display: inline-flex;
  background: rgba(31, 111, 235, 0.08);
  padding: 6px;
  border-radius: var(--radius-pill);
  gap: 6px;
}

.tab {
  border: none;
  background: transparent;
  color: var(--color-primary);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition);
}

.tab.active {
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.task-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.task-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  padding: 16px;
  background: rgba(31, 111, 235, 0.06);
  border-radius: var(--radius-sm);
  border-left: 5px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition);
}

.task-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.task-item.selected {
  outline: 2px solid rgba(31, 111, 235, 0.35);
  background: rgba(31, 111, 235, 0.12);
}

.task-item[data-priority="hoch"] {
  border-left-color: var(--color-warning);
}

.task-item[data-priority="mittel"] {
  border-left-color: var(--color-primary);
}

.task-item[data-priority="niedrig"] {
  border-left-color: var(--color-success);
}

.task-info h4 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.task-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.tag {
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(0, 0, 0, 0.06);
  font-size: 0.75rem;
}

.task-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
}

.status-pill {
  padding: 6px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(31, 111, 235, 0.12);
  color: var(--color-primary);
}

/* Toolbar */
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--color-border);
  border-radius: 12px;
}

.toolbar__left, .toolbar__right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.toolbar select {
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: #fff;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(31, 111, 235, 0.1);
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
}

/* Check */
.check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
}

.task-check {
  margin-top: 6px;
}

.status-pill[data-status="überfällig"] {
  background: rgba(245, 159, 0, 0.16);
  color: #f08c00;
}

.status-pill[data-status="abgeschlossen"] {
  background: rgba(18, 184, 134, 0.16);
  color: var(--color-success);
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, rgba(31, 111, 235, 0.35), transparent);
}

.timeline-item {
  padding-left: 36px;
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(31, 111, 235, 0.2);
}

.timeline-item h4 {
  margin: 0 0 4px;
}

.timeline-item p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.timeline-meta {
  margin-top: 8px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.guide-card {
  border-radius: var(--radius-sm);
  padding: 16px;
  background: rgba(31, 111, 235, 0.06);
  border: 1px solid rgba(31, 111, 235, 0.08);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.guide-card h4 {
  margin: 0;
}

.guide-card p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.event-list,
.team-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.event-item,
.team-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(31, 111, 235, 0.14);
}

.event-info h4,
.team-info h4 {
  margin: 0 0 6px;
}

.event-info p,
.team-info p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.event-chip {
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: rgba(255, 145, 77, 0.16);
  color: var(--color-accent);
  font-weight: 600;
}

.highlight {
  background: linear-gradient(
    145deg,
    rgba(31, 111, 235, 0.85),
    rgba(31, 111, 235, 0.65)
  );
  color: #fff;
  box-shadow: 0 20px 40px rgba(31, 111, 235, 0.25);
}

.highlight .card__header h3 {
  color: #fff;
}

.highlight .primary-btn--ghost {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

.highlight .primary-btn--ghost:hover {
  background: rgba(255, 255, 255, 0.25);
}

.quick-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.team-member {
  display: flex;
  align-items: center;
  gap: 12px;
}

.team-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(31, 111, 235, 0.9), rgba(18, 184, 134, 0.9));
  color: #fff;
  font-weight: 600;
  display: grid;
  place-items: center;
}

.schedule {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.85);
}

@media (max-width: 1200px) {
  .app-shell {
    grid-template-columns: 280px 1fr;
  }

  .main-header {
    flex-direction: column;
    gap: 20px;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .search input {
    width: 100%;
  }
}

@media (max-width: 960px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    flex-direction: row;
    align-items: flex-start;
    gap: 24px;
    flex-wrap: wrap;
  }

  .nav {
    width: 100%;
    max-height: 280px;
  }

  .sidebar-footer {
    width: 100%;
  }
}

@media (max-width: 680px) {
  body {
    background: #f5f7fb;
  }

  .app-shell {
    padding: 18px;
  }

  .sidebar {
    padding: 20px;
    box-shadow: var(--shadow-sm);
  }

  .main-header {
    padding: 20px;
  }

  .card {
    padding: 20px;
  }
}

/* Utilities */
.hidden {
  display: none !important;
}

/* Kanban Board spacing and visuals */
.kanban {
  width: 100%;
  gap: 12px;
}
.kanban-col {
  padding: 4px 6px;
}
.board-column {
  background: rgba(255,255,255,0.8);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
  padding: 6px;
}
.board-column.drop-hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(31,111,235,0.15) inset, var(--shadow-sm);
  background: rgba(31,111,235,0.05);
  transition: box-shadow var(--transition), background var(--transition), border-color var(--transition);
}
.kanban .sapUiDnDDragging .kanban-card {
  opacity: 0.9;
}
.board-column .sapMListHdrTBar {
  padding: 6px 8px !important;
  border-bottom: 1px solid var(--color-border);
}
.board-column .sapMListUl {
  padding: 6px !important;
}
.kanban-card {
  margin: 6px 4px;
  border-radius: 10px;
  border: 1px solid rgba(31,111,235,0.10);
  background: #fff;
  box-shadow: 0 6px 16px rgba(9,30,66,0.06);
}
.kanban-card__inner {
  padding: 10px 12px;
  gap: 6px;
}
.kanban-card .sapMHBox {
  gap: 6px;
}
.kanban-card .sapMObjectAttributeDiv {
  color: var(--color-text-muted);
}
.kanban-card .sapMObjStatusText {
  font-size: 0.85rem;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(13, 27, 42, 0.45);
  backdrop-filter: blur(4px);
  z-index: 1000;
}

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 1001;
}

.modal > * {
  width: min(680px, 92vw);
}

.modal__header,
.modal__body,
.modal__footer {
  background: #fff;
}

.modal__header {
  border-radius: 16px 16px 0 0;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--color-border);
  border-bottom: none;
}

.modal__body {
  padding: 18px 20px;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
}

.modal__footer {
  border-radius: 0 0 16px 16px;
  padding: 14px 20px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  border: 1px solid var(--color-border);
  border-top: none;
}

.modal__close {
  border: none;
  background: transparent;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

/* Forms */
.form-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}

.form-row label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.form-row input,
.form-row select,
.form-row textarea {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.9);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 560px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

/* Toasts */
.toast-container {
  position: fixed;
  right: 20px;
  bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 2000;
}

.toast {
  background: #fff;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
  padding: 12px 14px;
  border-radius: 10px;
  min-width: 220px;
}

.toast--success {
  border-left-color: var(--color-success);
}

.toast--warning {
  border-left-color: var(--color-warning);
}

.toast--error {
  border-left-color: #e03131;
}