:root {
  font-size: 16px;
  --font-family-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --font-size-base: 1rem;
  --font-size-lg: 1.25rem;

  --color-bg: #050816;
  --color-bg-elevated: #0b1024;
  --color-surface: rgba(5, 8, 22, 0.96);
  --color-surface-soft: rgba(8, 12, 30, 0.96);
  --color-border: #303656;

  --color-text: #f5f7ff;
  --color-text-muted: #d1d6f5;
  --color-text-soft: #a8b0dd;

  --color-accent: #4a90e2;
  --color-accent-soft: #283a6b;

  --color-status-ok: #15b67a;
  --color-status-warn: #f1c40f;
  --color-status-bad: #e74c3c;

  --color-risk-low: #15b67a;
  --color-risk-med: #f1c40f;
  --color-risk-high: #e74c3c;
  --color-risk-unknown: #7f8c8d;

  --color-panel-header-bg: rgba(0, 0, 0, 0.55);
  --color-panel-footer-bg: rgba(0, 0, 0, 0.85);

  --shadow-soft: 0 8px 20px rgba(0, 0, 0, 0.35);

  --input-bg: #070b1b;
  --input-border: #434b72;
  --input-border-focus: #6b8cff;
  --input-text: #f5f7ff;

  --btn-bg: #1a213b;
  --btn-bg-hover: #242d50;
  --btn-border: #3b456e;
  --btn-text: #f5f7ff;

  --badge-bg: #141a33;
  --badge-border: #3b456e;

  --chart-bg: #050915;

  --alarm-bg: #8b0000;
  --alarm-border: #ff5555;
  --alarm-text: #ffffff;
}

body.theme-light,
body[data-theme="light"] {
  --color-bg: #f5f7ff;
  --color-bg-elevated: #e0e5ff;
  --color-surface: #ffffff;
  --color-surface-soft: #ffffff;
  --color-border: #c0c4dd;

  --color-text: #111322;
  --color-text-muted: #33374a;
  --color-text-soft: #3a3a3a;

  --color-accent: #234f9b;
  --color-accent-soft: #dce3ff;

  --color-panel-header-bg: #ffffff;
  --color-panel-footer-bg: #ffffff;

  --input-bg: #ffffff;
  --input-border: #a4aad0;
  --input-border-focus: #234f9b;
  --input-text: #111322;

  --btn-bg: #edf1ff;
  --btn-bg-hover: #dce3ff;
  --btn-border: #a4aad0;
  --btn-text: #111322;

  --badge-bg: #e4e8ff;
  --badge-border: #a4aad0;

  --chart-bg: #eef1ff;

  --alarm-bg: #b30000;
  --alarm-border: #ff5555;
  --alarm-text: #ffffff;
}

body.theme-dark,
body[data-theme="dark"] {
  --color-bg: #050816;
  --color-bg-elevated: #0b1024;
  --color-surface: rgba(5, 8, 22, 0.96);
  --color-surface-soft: rgba(8, 12, 30, 0.96);
  --color-border: #303656;

  --color-text: #f5f7ff;
  --color-text-muted: #d1d6f5;
  --color-text-soft: #a8b0dd;

  --color-accent: #4a90e2;
  --color-accent-soft: #283a6b;

  --color-panel-header-bg: rgba(0, 0, 0, 0.7);
  --color-panel-footer-bg: rgba(0, 0, 0, 0.85);

  --input-bg: #070b1b;
  --input-border: #434b72;
  --input-border-focus: #6b8cff;
  --input-text: #f5f7ff;

  --btn-bg: #1a213b;
  --btn-bg-hover: #242d50;
  --btn-border: #3b456e;
  --btn-text: #f5f7ff;

  --badge-bg: #141a33;
  --badge-border: #3b456e;

  --chart-bg: #050915;

  --alarm-bg: #8b0000;
  --alarm-border: #ff5555;
  --alarm-text: #ffffff;
}

body {
  margin: 20px;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: 1.5;
}

@media (max-width: 600px) {
  body {
    margin: 10px;
  }
}

.bg-layer {
  position: fixed;
  inset: 0;
  background: url("/images/background.jpg") no-repeat center center fixed;
  background-size: cover;
  opacity: 0.35;
  z-index: -1;
}

body.theme-light .bg-layer,
body[data-theme="light"] .bg-layer {
  opacity: 0.15;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  background: var(--color-panel-header-bg);
  padding: 0.7rem 0.9rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

@media (max-width: 720px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.brand-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
}

.brand-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-soft);
}

.brand-images {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-images img {
  display: block;
}

.brand-logo {
  width: 50px;
  height: auto;
}

.brand-scarlet {
  width: 80px;
  height: auto;
}

.header-right {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  align-items: flex-end;
}

@media (max-width: 720px) {
  .header-right {
    align-items: flex-start;
    width: 100%;
  }
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--font-size-base);
}

.lang-switch button {
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  color: var(--btn-text);
  cursor: pointer;
  font-size: var(--font-size-base);
}

.lang-switch button.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
}

.theme-toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--font-size-base);
  color: var(--color-text-soft);
}

.theme-toggle button {
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  color: var(--btn-text);
  cursor: pointer;
  font-size: var(--font-size-base);
}

.theme-toggle button.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
}

h2 {
  margin-top: 1.4rem;
  margin-bottom: 0.5rem;
  font-size: var(--font-size-lg);
  font-weight: 600;
}

p {
  margin: 0.2rem 0;
  font-size: var(--font-size-base);
}

button {
  margin: 0.2rem;
  padding: 0.5rem 0.9rem;
  cursor: pointer;
  border-radius: 6px;
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  color: var(--btn-text);
  font-size: var(--font-size-base);
  line-height: 1.2;
}

button:hover {
  background: var(--btn-bg-hover);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  font-size: var(--font-size-base);
}

a:hover {
  text-decoration: underline;
}

.btn-explorer {
  margin-top: 0.5rem;
}

.section {
  margin-bottom: 1.5rem;
}

.panel {
  border-radius: 10px;
  border: 1px solid var(--color-border);
  padding: 0.9rem;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(4px);
}

.panel-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.panel-col {
  flex: 1 1 240px;
  min-width: 240px;
}

.label {
  font-size: var(--font-size-base);
  color: var(--color-text-soft);
  margin-bottom: 0.1rem;
}

.value {
  font-size: var(--font-size-base);
  margin-bottom: 0.4rem;
  word-break: break-word;
}

.status-dot,
.risk-dot {
  display: inline-block;
  border-radius: 50%;
  margin-right: 0.35rem;
}

.status-dot {
  width: 0.8rem;
  height: 0.8rem;
}

.risk-dot {
  width: 0.85rem;
  height: 0.85rem;
}

.status-ok {
  background: var(--color-status-ok);
}

.status-warn {
  background: var(--color-status-warn);
}

.status-bad {
  background: var(--color-status-bad);
}

.risk-low {
  background: var(--color-risk-low);
}

.risk-med {
  background: var(--color-risk-med);
}

.risk-high {
  background: var(--color-risk-high);
}

.risk-unknown {
  background: var(--color-risk-unknown);
}

.uplink-health-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.uplink-health-lights {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.uplink-light {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background: var(--color-border);
  opacity: 0.4;
}

.uplink-light-ok {
  background: var(--color-status-ok);
  opacity: 1;
}

.uplink-light-warn {
  background: var(--color-status-warn);
  opacity: 1;
}

.uplink-light-bad {
  background: var(--color-status-bad);
  opacity: 1;
}

.uplink-health-text {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
}

.filling-bar-container {
  position: relative;
  width: 100%;
  height: 22px;
  background: var(--input-bg);
  border-radius: 6px;
  border: 1px solid var(--color-border);
  overflow: hidden;
  margin-top: 0.25rem;
}

.filling-bar-fill {
  position: absolute;
  inset: 0;
  width: 0%;
  transition: width 0.5s ease;
  background: linear-gradient(
    to right,
    var(--color-status-ok) 0%,
    var(--color-status-ok) 33%,
    var(--color-status-warn) 33%,
    var(--color-status-warn) 66%,
    var(--color-status-bad) 66%,
    var(--color-status-bad) 100%
  );
}

.filling-bar-label {
  margin-top: 0.25rem;
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
}

.alarm-banner {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 8px;
  font-size: var(--font-size-lg);
  font-weight: 700;
  background: var(--alarm-bg);
  color: var(--alarm-text);
  text-align: center;
  border: 2px solid var(--alarm-border);
  box-shadow: 0 0 18px rgba(255, 0, 0, 0.65);
}

.alarm-hidden {
  display: none;
}

.trend-chart {
  width: 100%;
  height: 140px;
  background: var(--chart-bg);
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.trend-caption {
  font-size: var(--font-size-base);
  color: var(--color-text-soft);
  margin-bottom: 0.3rem;
}

.footer {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  padding: 0.8rem 1rem 1rem;
  background: var(--color-panel-footer-bg);
  border-radius: 10px;
  box-shadow: var(--shadow-soft);
  text-align: center;
}

.footer p,
.footer-partners {
  font-size: 0.9rem;
  margin: 0;
}

.footer-partners {
  margin-bottom: 0.6rem;
}

.footer-logos {
  margin-top: 0.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.6rem;
  justify-content: center;
  align-items: center;
}

/* Basis-Styles für Logos */
.footer-logos img {
  max-height: 32px;
  height: auto;
  width: auto;
}

/* Dark/Light-Switch für Logo-Varianten */
.footer-logo-dark,
.footer-logo-light {
  max-height: 32px;
  height: auto;
  width: auto;
}

/* Default: Dark-Theme → dunkle Logos sichtbar */
.footer-logo-dark {
  display: inline-block;
}
.footer-logo-light {
  display: none;
}

/* Light-Theme → helle Logo-Variante */
body.theme-light .footer-logo-dark,
body[data-theme="light"] .footer-logo-dark {
  display: none;
}

body.theme-light .footer-logo-light,
body[data-theme="light"] .footer-logo-light {
  display: inline-block;
}

.footer-tagline {
  margin-top: 0.5rem;
  margin-bottom: 0.4rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.footer-tagline span {
  display: block;
}

.footer-meta-row-center {
  display: flex;
  justify-content: center;
  margin-top: 0.3rem;
}

.footer-meta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  justify-content: center;
}

.footer-bottom-row-center {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.8rem;
  justify-content: center;
  align-items: center;
}

.version-button {
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  color: var(--btn-text);
  font-size: var(--font-size-base);
  cursor: pointer;
}

.version-button:hover {
  background: var(--btn-bg-hover);
}

@media (max-width: 720px) {
  .footer-logos img {
    max-height: 28px;
  }
}

.version-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

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

.version-modal-content {
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow: auto;
  background: var(--color-surface);
  border-radius: 10px;
  border: 1px solid var(--color-border);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow-soft);
  font-size: var(--font-size-base);
}

.version-modal-content h3 {
  font-size: var(--font-size-lg);
  margin-top: 0;
  margin-bottom: 0.6rem;
}

.version-modal-content p,
.version-modal-content li {
  font-size: var(--font-size-base);
}

.version-modal-close {
  margin-top: 0.6rem;
  display: inline-flex;
  justify-content: center;
}

.version-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
}