/* ======================================================
   ATRIUM DESIGN SYSTEM 2.0
   Einheitliches Dark UI für alle ATRIUM-Anwendungen
   ====================================================== */

:root {
  color-scheme: dark;

  --atrium-bg: #111827;
  --atrium-surface: #1e293b;
  --atrium-surface-hover: #263449;
  --atrium-border: #334155;

  --atrium-text: #f1f5f9;
  --atrium-muted: #a7b5ca;

  --atrium-primary: #a78bfa;
  --atrium-primary-hover: #b9a5ff;

  --atrium-success: #4ade80;
  --atrium-danger: #fb7185;
  --atrium-warning: #fbbf24;

  --atrium-radius: 14px;
  --atrium-shadow: 0 8px 24px rgba(0,0,0,.12);
}

/* Grundlayout */

html {
  background: var(--atrium-bg);
}

body {
  background: var(--atrium-bg) !important;
  color: var(--atrium-text) !important;
  font-family: Inter, "Segoe UI", Arial, sans-serif !important;
  line-height: 1.55;
}

*, *::before, *::after {
  box-sizing: border-box;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--atrium-text) !important;
  letter-spacing: -.025em;
  line-height: 1.25;
}

h1 {
  font-weight: 750;
}

h2, h3 {
  font-weight: 700;
}

p, label, th, td, li, strong, summary {
  color: var(--atrium-text);
}

small,
.muted,
.subtitle,
.intro,
.status,
footer {
  color: var(--atrium-muted) !important;
}

/* Navigation */

header {
  border-color: var(--atrium-border) !important;
}

.brand,
.brand strong,
.brand span {
  color: var(--atrium-text) !important;
}

a {
  color: var(--atrium-primary);
}

a:hover {
  color: var(--atrium-primary-hover);
}

/* Einheitliche Karten */

.card,
.panel,
.widget,
.tile,
section {
  border-radius: var(--atrium-radius);
}

.card,
.panel,
.widget {
  border-color: var(--atrium-border) !important;
}

.card h1,
.card h2,
.card h3,
.panel h1,
.panel h2,
.panel h3,
section h2,
section h3 {
  color: var(--atrium-text) !important;
}

.card strong,
.panel strong,
section strong {
  color: var(--atrium-text) !important;
}

/* Einheitliche Schaltflächen */

button,
input[type="submit"],
input[type="button"],
.btn,
.button {
  font-family: inherit !important;
  font-weight: 650 !important;
  border-radius: 9px !important;
  transition:
    background-color .15s ease,
    border-color .15s ease,
    transform .15s ease;
}

button:not(:disabled),
input[type="submit"]:not(:disabled) {
  cursor: pointer;
}

button:hover:not(:disabled),
input[type="submit"]:hover:not(:disabled) {
  filter: brightness(1.09);
}

button:active:not(:disabled) {
  transform: translateY(1px);
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  opacity: .55;
  cursor: not-allowed;
}

/* Eingaben */

input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]),
select,
textarea {
  background: #111827;
  color: var(--atrium-text);
  border: 1px solid var(--atrium-border);
  border-radius: 9px;
  font-family: inherit;
}

input::placeholder,
textarea::placeholder {
  color: var(--atrium-muted);
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible,
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(167,139,250,.45);
  outline-offset: 2px;
}

input[type="checkbox"],
input[type="radio"] {
  accent-color: var(--atrium-primary);
}

/* Tabellen */

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  color: #dce5f3 !important;
  font-weight: 700;
}

td {
  color: var(--atrium-text) !important;
}

th, td {
  border-color: var(--atrium-border) !important;
}

tbody tr:hover {
  background: rgba(167,139,250,.045);
}

/* Status */

.online,
.atrium-success {
  color: var(--atrium-success) !important;
}

.offline,
.error,
.atrium-danger {
  color: var(--atrium-danger) !important;
}

.atrium-warning {
  color: var(--atrium-warning) !important;
}

/* Aufklappbare Rollen und Bereiche */

details {
  border: 1px solid var(--atrium-border);
  border-radius: 12px;
  background: rgba(255,255,255,.025);
}

details > summary {
  color: var(--atrium-text) !important;
  font-weight: 650;
  cursor: pointer;
  padding: 13px 15px;
  user-select: none;
}

details > summary:hover {
  background: rgba(167,139,250,.07);
}

details[open] > summary {
  border-bottom: 1px solid var(--atrium-border);
  margin-bottom: 12px;
}

/* Meldungen und Hilfetexte */

#error,
#message {
  overflow-wrap: anywhere;
}

.atrium-help {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid var(--atrium-border);
  color: var(--atrium-muted);
  font-size: 12px;
  font-weight: 700;
}

/* Responsive */

@media (max-width: 768px) {
  body {
    -webkit-tap-highlight-color: transparent;
  }

  input,
  select,
  textarea {
    max-width: 100%;
  }

  details > summary {
    min-height: 44px;
  }

  table {
    font-size: .9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}