html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

/* Custom app styles for improved detail pages and layout */
.app-bg {
  background: var(--app-bg);
  background-attachment: fixed;
  min-height: 100vh;
  color: var(--app-text, #111827);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

.navbar-transparent {
  background-color: transparent !important;
  border: none !important;
  box-shadow: none !important;
}

/* Navbar brand / logo sizing */
.navbar-brand {
  color: #0f172a; /* ensure SVG using currentColor is visible */
}

.navbar-logo {
  height: 50px;
  width: auto;
  display: inline-block;
}

/* Theme variables and dark mode overrides */

:root {
  --app-text: #0f172a;
  --muted: #6b7280;
  --card-bg: rgba(255,255,255,0.95);
  --nav-link-color: #0f172a;
  --btn-border: rgba(0,0,0,0.08);
  --app-bg: linear-gradient(135deg, #f5f7fa 0%, #e6eefc 50%, #cfe0ff 100%);
  --input-bg: #ffffff;
  --input-text: #0f172a;
  --input-placeholder: #6b7280;
}

.dark-theme {
  --app-text: #e6eefc;
  --muted: #9ca3af;
  --card-bg: rgba(17,24,39,0.88);
  --nav-link-color: #ffffff;
  --btn-border: rgba(255,255,255,0.06);
  --app-bg: linear-gradient(180deg, #0b1220 0%, #0f1724 50%, #111827 100%);
  --input-bg: rgba(255,255,255,0.03);
  --input-text: #e6eefc;
  --input-placeholder: #9ca3af;
}

/* Apply variables */
.app-bg, .main-card, body {
  color: var(--app-text);
}

.main-card {
  background: var(--card-bg);
  border-color: var(--btn-border);
}

.navbar-transparent .nav-link {
  color: var(--nav-link-color) !important;
}

.navbar-brand {
  color: var(--nav-link-color);
}

/* Make SVG logo visible in dark mode by inverting if necessary */
.dark-theme .navbar-logo {
  /* Preserve original logo colors in dark mode (do not invert) */
  filter: none;
}

/* Ensure form labels, inputs and placeholders are readable inside the card */
.main-card label,
.main-card .form-label,
.main-card .form-check-label,
.main-card .form-floating > label {
  color: var(--input-placeholder);
}

.main-card .form-control,
.main-card textarea.form-control,
.main-card select.form-control {
  background: var(--input-bg);
  color: var(--input-text);
  border-color: rgba(0,0,0,0.08);
}

.main-card .form-control::placeholder,
.main-card textarea.form-control::placeholder {
  color: var(--input-placeholder);
  opacity: 1;
}

/* For floating labels ensure contrast */
.main-card .form-floating > .form-control::placeholder {
  color: var(--input-placeholder);
}

/* Headings in card should use app-text for contrast */
.main-card h1, .main-card h2, .main-card h3, .main-card .details-title {
  color: var(--app-text);
}

.dark-theme .navbar-transparent {
  background-color: rgba(2,6,23,0.65) !important;
  border-bottom: 1px solid rgba(255,255,255,0.03) !important;
}

.dark-theme .footer {
  background: transparent;
  color: var(--muted);
}

/* Slightly different button style in dark */
.dark-theme .btn-outline-secondary {
  color: var(--app-text);
  border-color: var(--btn-border);
}

/* Switch icon spacing */
.form-check-label i {
  font-size: 1rem;
  vertical-align: middle;
}

/* Slightly offset the switch for tight navbar */
.navbar .form-check.form-switch {
  transform: translateY(1px);
}

.content-wrapper {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
  min-height: calc(100vh - 120px);
}

.main-card {
  width: 100%;
  max-width: 1000px;
  background: rgba(255,255,255,0.95);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(15,23,42,0.08);
  border: 1px solid rgba(0,0,0,0.04);
}

/* Detail pages styling */
dl.row dt {
  font-weight: 600;
  color: #111827;
}

dl.row dd {
  color: #0f172a;
}

.details-title {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.btn-secondary {
  background-color: #6c757d;
  border-color: #6c757d;
}

@media (max-width: 576px) {
  .main-card { padding: 1rem; border-radius: 8px; }
  .details-title { font-size: 1.5rem; }
}

/* Utility to center simple content when pages are minimal */
.centered-content { text-align: center; }

body {
  margin-bottom: 60px;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}