:root {
  --bg-main: #0c0c0e;
  --bg-sidebar: rgba(19, 20, 25, 0.96);
  --bg-card: rgba(255, 255, 255, 0.035);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --border-color: rgba(255, 255, 255, 0.09);

  --text-main: #eef0f2;
  --text-muted: #a8afb8;

  --primary: #3f6791;
  --primary-hover: #527da9;

  --success: #28a745;
  --danger: #dc3545;
  --info: #17a2b8;
  --os-border: var(--border-color);
  --os-green: var(--success);
  --glass-bg: rgba(25, 25, 30, 0.94);
  --glass-border: rgba(255, 255, 255, 0.08);
  --accent-glow: 0 15px 35px rgba(0, 0, 0, 0.55);
  --primary-gradient: linear-gradient(135deg, #3f6791 0%, #253b52 100%);
}

body {
  background:
    radial-gradient(circle at 15% -10%, rgba(63, 103, 145, 0.18), transparent 32rem),
    radial-gradient(circle at 90% 15%, rgba(37, 59, 82, 0.14), transparent 30rem),
    var(--bg-main);
  color: var(--text-main);
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}

/* Navbar */
.navbar {
  background: rgba(10, 11, 14, 0.88) !important;
  border-bottom: 1px solid var(--glass-border);
  padding: .62rem 1rem;
  box-shadow: 0 14px 38px rgba(0,0,0,.34);
  backdrop-filter: blur(24px) saturate(170%);
  -webkit-backdrop-filter: blur(24px) saturate(170%);
}

.os-main-navbar::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 4%, rgba(82,125,169,.7) 35%, rgba(82,125,169,.18) 72%, transparent 96%);
  pointer-events: none;
}

.os-navbar-inner {
  gap: 1rem;
}

.navbar-brand {
  color: #ffffff !important;
  font-weight: 700;
  letter-spacing: 0.3px;
  font-size: 1.1rem;
  white-space: nowrap;
}

.os-brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  margin-right: .65rem;
  border: 1px solid rgba(82, 125, 169, .45);
  border-radius: .7rem;
  color: #8db2d8;
  background: var(--primary-gradient);
  box-shadow: 0 0 22px rgba(63, 103, 145, .35);
}

.os-version-badge {
  padding: .2rem .45rem;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  color: rgba(255,255,255,.55);
  background: rgba(255,255,255,.04);
  font-size: .62rem;
  letter-spacing: .08em;
}

.os-primary-nav {
  gap: .1rem;
  padding: .26rem;
  border: 1px solid rgba(255,255,255,.055);
  border-radius: .85rem;
  background: rgba(255,255,255,.025);
}

.navbar .nav-link {
  color: #cbd5e1 !important;
  position: relative;
  margin: 0;
  padding: .48rem .68rem !important;
  border-radius: .65rem;
  font-size: .88rem;
  font-weight: 600;
  white-space: nowrap;
  transition: color .2s ease, background-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus {
  color: #ffffff !important;
  background: rgba(82,125,169,.17);
  transform: translateY(-1px);
}

.navbar .nav-link.active {
  color: #fff !important;
  background: linear-gradient(135deg, rgba(63,103,145,.52), rgba(37,59,82,.72));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 6px 16px rgba(0,0,0,.18);
}

.navbar .nav-link.active::after {
  content: "";
  position: absolute;
  right: .7rem;
  bottom: .16rem;
  left: .7rem;
  height: 2px;
  border-radius: 999px;
  background: #86b4e1;
  box-shadow: 0 0 8px rgba(134,180,225,.75);
}

.navbar .dropdown-toggle.active::after {
  position: static;
  height: auto;
  background: transparent;
  box-shadow: none;
}

.os-nav-icon {
  width: 1.15rem;
  margin-right: .35rem;
  text-align: center;
  color: #7fa6cc;
  opacity: .9;
}

.dropdown-menu {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  box-shadow: var(--accent-glow);
  min-width: 13.5rem;
  padding: .55rem;
  margin-top: .7rem !important;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}

.dropdown-item {
  color: #d1d5db;
  display: flex;
  align-items: center;
  gap: .65rem;
  border-radius: 8px;
  padding: .55rem .8rem;
  font-size: .88rem;
  transition: all .2s ease;
}

.dropdown-item i {
  width: 1.05rem;
  color: #7fa6cc;
  text-align: center;
}

.dropdown-item:hover,
.dropdown-item:focus,
.dropdown-item.active {
  background: var(--primary-gradient);
  color: #ffffff;
  transform: translateX(3px);
}

.dropdown-item:hover i,
.dropdown-item:focus i,
.dropdown-item.active i {
  color: #fff;
}

.os-dropdown-heading {
  display: block;
  padding: .3rem .8rem .45rem;
  color: #788391;
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.dropdown-divider {
  border-color: var(--border-color);
}

.os-user-actions {
  gap: .65rem;
  padding-left: .8rem;
  border-left: 1px solid var(--glass-border);
}

.os-user-chip {
  align-items: center;
  gap: .55rem;
  min-width: 0;
  padding: .25rem .45rem .25rem .3rem;
  border: 1px solid rgba(255,255,255,.06);
  border-radius: .75rem;
  background: rgba(255,255,255,.03);
}

.os-user-avatar {
  display: inline-grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  flex: 0 0 auto;
  border: 1px solid rgba(40,167,69,.32);
  border-radius: .58rem;
  color: #6fd184;
  background: rgba(40,167,69,.1);
  font-size: .78rem;
}

.os-user-copy {
  display: grid;
  line-height: 1.08;
}

.os-user-copy small {
  color: #7f8894;
  font-size: .6rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.os-user-copy strong {
  max-width: 8rem;
  overflow: hidden;
  color: #dbe2ea;
  font-size: .78rem;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.oar-notification-icon {
  font-size: 4rem;
  line-height: 1;
  filter: drop-shadow(0 0 18px rgba(40,167,69,.3));
}

#oarCompletionModal .modal-content {
  background: rgba(18,20,24,.98);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}

#oarCompletionModal .modal-footer small {
  max-width: 12rem;
}

.navbar-toggler {
  border-color: rgba(127,166,204,.3);
  border-radius: .7rem;
  padding: .42rem .55rem;
  background: rgba(63,103,145,.1);
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 .18rem rgba(63,103,145,.25);
}

/* Layout */
.main-wrapper {
  display: flex;
  min-height: calc(100vh - 64px);
}

/* Sidebar */
.sidebar-left,
.sidebar-right {
  width: 280px;
  background: var(--bg-sidebar);
  padding: 1.5rem 1rem;
  flex-shrink: 0;
  height: calc(100vh - 64px);
  position: sticky;
  top: 64px;
  overflow-y: auto;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.sidebar-left {
  border-right: 1px solid var(--border-color);
}

.sidebar-right {
  border-left: 1px solid var(--border-color);
}

.sidebar-heading {
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  letter-spacing: 1px;
}

/* Status Box */
.status-item-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 13px;
  padding: 14px;
  margin-bottom: 12px;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform .2s ease, box-shadow .2s ease;
  text-decoration: none !important;
  display: block;
}

.status-item-box:hover {
  background-color: var(--bg-card-hover);
  border-color: rgba(82, 125, 169, .48);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0,0,0,.3) !important;
}

.status-title {
  font-weight: 600;
  font-size: 0.85rem;
  color: #ffffff;
  display: block;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.status-subtitle {
  font-size: 0.72rem;
  color: var(--text-muted);
  display: block;
}

.status-indicator {
  width: 4px;
  height: 34px;
  margin-right: 12px;
  border-radius: 999px;
  flex-shrink: 0;
}

/* Content */
.content-area {
  flex-grow: 1;
  padding: 2rem;
  background: transparent;
}

.card,
.modal-content,
.list-group-item {
  background: var(--bg-card);
  border-color: var(--border-color);
  border-radius: 15px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.card {
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.28);
}

.form-control,
.form-select,
.input-group-text {
  background-color: rgba(0,0,0,.48);
  border-color: var(--border-color);
  color: var(--text-main);
  border-radius: 12px;
}

.form-control:focus,
.form-select:focus {
  background-color: rgba(0,0,0,.68);
  border-color: var(--primary);
  color: var(--text-main);
  box-shadow: 0 0 0 0.2rem rgba(63, 103, 145, 0.22);
}

.btn {
  border-radius: 10px;
  font-weight: 600;
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--primary-gradient);
  border-color: var(--primary);
  box-shadow: 0 8px 20px rgba(63, 103, 145, .22);
}

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

.table {
  --bs-table-bg: transparent;
  --bs-table-border-color: var(--border-color);
  color: var(--text-main);
}

.main-footer {
  background: rgba(12, 12, 14, .94) !important;
  border-color: var(--border-color) !important;
  backdrop-filter: blur(18px);
}

.os-logout-button {
  border-color: rgba(220,53,69,.45);
  background: rgba(220,53,69,.07);
}

/* Buttons */
.btn-outline-danger {
  border-radius: 6px;
  font-size: 0.85rem;
  padding: 0.45rem 1rem;
}

/* Loading Box */
.loading-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 13px;
  padding: 14px;
  margin-bottom: 12px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #303644;
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: #59616c;
}

*:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Bootstrap Anpassungen */
.bg-black {
  background-color: #111318 !important;
}

.border-secondary {
  border-color: var(--border-color) !important;
}

.text-secondary {
  color: var(--text-muted) !important;
}

.text-success {
  color: var(--success) !important;
}

.text-danger {
  color: var(--danger) !important;
}

.text-info {
  color: var(--info) !important;
}

/* Responsive */
@media (max-width: 1199.98px) {
  .os-main-navbar .navbar-collapse {
    margin-top: .75rem;
    padding: .75rem;
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    background: rgba(20,22,27,.96);
    box-shadow: 0 18px 42px rgba(0,0,0,.38);
  }

  .os-primary-nav {
    gap: .2rem;
    padding: 0;
    border: 0;
    background: transparent;
  }

  .navbar .nav-link {
    padding: .65rem .75rem !important;
  }

  .navbar .nav-link.active::after {
    top: .65rem;
    right: auto;
    bottom: .65rem;
    left: .18rem;
    width: 2px;
    height: auto;
  }

  .navbar .dropdown-toggle.active::after {
    position: static;
    width: 0;
    height: 0;
  }

  .os-nav-dropdown {
    margin: .25rem 0 .45rem 1.8rem !important;
    border-radius: .75rem;
    box-shadow: none;
  }

  .os-user-actions {
    justify-content: flex-end;
    margin-top: .7rem;
    padding: .7rem 0 0;
    border-top: 1px solid var(--glass-border);
    border-left: 0;
  }
}

@media (max-width: 991.98px) {

  .main-wrapper {
    flex-direction: column;
  }

  .sidebar-left,
  .sidebar-right {
    width: 100%;
    border: none;
    border-bottom: 1px solid var(--border-color);
    position: static;
    height: auto;
  }

  .content-area {
    padding: 1.5rem 1rem;
  }
}

@media (max-width: 575.98px) {
  .navbar {
    padding: .55rem .7rem;
  }

  .navbar-brand {
    font-size: 1rem;
  }

  .os-brand-mark {
    width: 2rem;
    height: 2rem;
  }

  .os-version-badge {
    display: none;
  }

  .os-main-navbar .navbar-collapse {
    max-height: calc(100vh - 5.5rem);
    overflow-y: auto;
  }

  .os-nav-dropdown {
    margin-left: .7rem !important;
  }

  .os-user-actions .os-logout-button {
    width: 100%;
  }
}