/* --------------------------------------------------
   1. Root Variables (alphabetical)
-------------------------------------------------- */
:root {
  --color-bg: #152233;
  --color-danger: #dc3545;
  --color-danger-rgb: 220, 53, 69;
  --color-error: #ff6b6b;
  --color-lang-bg: rgba(0,0,0,0.04);
  --color-primary: #35c99a;
  --color-primary-hover: #2da87e;
  --color-shadow: 0 2px 8px rgba(0,0,0,0.07);
  --color-success: #28a745;
  --font-size-base: 1rem;
  --font-size-cve: 1.08rem;
  --gap-md: 0.7em;
  --lang-flag-margin: 0.5em;
  --lang-flag-size: 1.5em;
  --logo-height: 40px;
  --logo-height-mobile: 32px;
  --max-width-results: 600px;
  --padding-md: 0.4em 0.8em;
  --radius-lg: 1.2em;
  --radius-md: 0.75em;
  color: #fff;
}

/* --------------------------------------------------
   2. Bootstrap Classes
-------------------------------------------------- */
.badge {
  background: var(--color-primary);
  border-radius: 1em;
  color: #fff;
  font-size: 0.95em;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.5em 1em;
}
.btn {
  border-radius: var(--radius-md);
  font-size: 1.1em;
  font-weight: 600;
  padding: 0.6em 1.2em;
}
.card {
  background: #1e2b3d;
  border: 1px solid #222c3a;
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 8px rgba(0,0,0,0.07);
}
.card-footer {
  background: transparent;
  border-top: none;
}
.container {
  /* Use Bootstrap's default .container layout */
  padding: 1rem;
}
.table.bg-dark, .table.table-dark {
  background-color: #1e2b3d !important;
  color: #fff !important;
}
.table.bg-dark td, .table.bg-dark th,
.table.table-dark td, .table.table-dark th {
  background-color: #1e2b3d !important;
  color: #fff !important;
}

.text-primary {
  color: var(--color-primary) !important;
}
.text-muted {
  color: #ffffff70 !important;
}
/* --------------------------------------------------
   3. Bootstrap Overrides
-------------------------------------------------- */
.badge.bg-primary {
  background-color: var(--color-primary) !important;
  color: #fff !important;
}
.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}
  .btn-primary:active,
  .btn-primary:focus,
  .btn-primary.active,
  .btn-primary:active:focus {
    background-color: var(--color-primary-hover) !important;
    border-color: var(--color-primary-hover) !important;
    color: #fff !important;
    box-shadow: 0 0 0 0.15rem rgba(53,201,154,0.25);
  }
.btn-secondary {
  background: #2a3950;
  border-color: #2a3950;
  color: #fff;
}
.btn-secondary:hover {
  background: #22304a;
  border-color: #22304a;
}
.border-primary {
  --bs-border-opacity: 1;
  border-color: var(--color-primary) !important;
}
.form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

/* --------------------------------------------------
   4. Layout
-------------------------------------------------- */
.content {
  align-items: center;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: center;
  text-align: center;
}
.logo {
  height: var(--logo-height);
  max-width: 100%;
}
.logo-container {
  align-items: flex-end;
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
  margin-top: auto;
  width: 100%;
}
.seo-content {
  display: none;
}

/* --------------------------------------------------
   5. Typography
-------------------------------------------------- */
body {
  background-color: var(--color-bg);
  margin: 0;
  padding: 0;
  position: relative;
  transition: background-color 1s;
}
body::before {
  background: radial-gradient(circle at 50% 50%, var(--color-bg) 60%, rgba(92,221,139,0.85) 100%);
  content: '';
  left: 0;
  opacity: 0;
  pointer-events: none;
  position: fixed;
  right: 0;
  top: 0;
  bottom: 0;
  transition: opacity 1.2s;
  z-index: 0;
}
body.pulse-green::before {
  animation: pulseGradientGreen 2.5s infinite;
  background: radial-gradient(circle at 50% 50%, var(--color-bg) 60%, rgba(92,221,139,0.85) 100%);
  opacity: 1;
}
@keyframes pulseGradientGreen {
  0% { opacity: 0.18; }
  50% { opacity: 0.38; }
  100% { opacity: 0.18; }
}
body.fade-green::before {
  background: radial-gradient(circle at 50% 50%, var(--color-bg) 60%, rgba(92,221,139,0.85) 100%);
  opacity: 0.32;
  transition: opacity 2s;
}
body.fade-red::before {
  background: radial-gradient(circle at 50% 50%, var(--color-bg) 60%, rgba(var(--color-danger-rgb),1) 100%);
  opacity: 0.32;
  transition: opacity 2s;
}

/* --------------------------------------------------
   6. Forms
-------------------------------------------------- */
.checkbox-wrap {
  align-items: center;
  display: flex;
  gap: 8px;
  text-align: left;
}
.checkbox-wrap .form-check-input {
  margin-right: 0;
  margin-top: 2px;
}
.checkbox-wrap .form-check-label {
  line-height: 1.4;
  margin-bottom: 0;
  text-align: left;
  word-break: break-word;
}
.clear-input {
  color: #bbb;
  cursor: pointer;
  display: none;
  font-size: 1.3em;
  height: 32px;
  line-height: 32px;
  position: absolute;
  right: 10px;
  text-align: center;
  top: 50%;
  transform: translateY(-50%);
  user-select: none;
  width: 32px;
  z-index: 3;
}
.domain-input {
  min-width: 320px;
  padding-left: 12px;
  transition: padding-left 0.25s;
}
.favicon-img {
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  display: block;
  height: 20px;
  width: 20px;
}
.favicon-wrapper {
  height: 20px;
  left: 8px;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  transition: opacity 0.25s, left 0.25s;
  width: 20px;
  z-index: 2;
}
.form-step {
  display: none;
}
.form-step.active {
  display: block;
}
.main-form {
  max-width: 400px;
}
.main-form-group {
  margin: 0 auto;
  max-width: 320px;
}

/* --------------------------------------------------
   7. Components
-------------------------------------------------- */
.app-spinner {
  border-color: var(--color-primary) var(--color-primary) var(--color-primary) transparent !important;
  border-width: 0.4em;
  color: var(--color-primary);
  height: 4rem;
  width: 4rem;
}
.bs-icon {
  --bs-icon-size: 1.1rem;
  align-items: center;
  color: var(--color-primary);
  display: flex;
  flex-shrink: 0;
  font-size: var(--bs-icon-size);
  height: calc(var(--bs-icon-size)*2);
  justify-content: center;
  width: calc(var(--bs-icon-size)*2);
}
.bs-icon-primary-light {
  background: rgba(53,201,154,0.2);
  color: var(--color-primary);
}
.bs-icon-rounded {
  border-radius: 0.5rem;
}
.bs-icon-xs {
  --bs-icon-size: 1rem;
  height: calc(var(--bs-icon-size)*1.5);
  width: calc(var(--bs-icon-size)*1.5);
}
.cve-alert {
  align-items: center;
  display: flex;
  font-size: var(--font-size-cve);
  font-weight: 500;
  gap: 0.75rem;
  letter-spacing: 0.01em;
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
}
.cve-alert .bi {
  height: 22px;
  margin-bottom: -2px;
  margin-top: -2px;
  vertical-align: middle;
  width: 22px;
}
.cve-alert.alert-danger .bi {
  color: var(--color-danger);
}
.cve-alert.alert-success .bi {
  color: var(--color-success);
}
.cve-icon-wrapper {
  align-items: center;
  display: flex;
  height: 22px;
  margin-right: 0.2rem;
  width: 22px;
}
.cve-text {
  align-items: center;
  display: flex;
  font-size: var(--font-size-cve);
  font-weight: 500;
  letter-spacing: 0.01em;
}
.error-icon-bg {
  align-items: center;
  background: #fbeaea;
  border-radius: 50%;
  display: flex;
  height: 72px;
  justify-content: center;
  width: 72px;
}
.lang-flag {
  display: inline-block;
  height: var(--lang-flag-size);
  margin-right: var(--lang-flag-margin);
  vertical-align: middle;
  width: var(--lang-flag-size);
}
.lang-selector-responsive {
  align-items: center;
  background: var(--color-lang-bg);
  border-radius: var(--radius-lg);
  bottom: 18px;
  box-shadow: var(--color-shadow);
  display: flex;
  flex-wrap: wrap;
  font-size: var(--font-size-base);
  gap: var(--gap-md);
  justify-content: flex-end;
  max-width: 98vw;
  padding: var(--padding-md);
  position: fixed;
  right: 12px;
  transition: font-size 0.2s, padding 0.2s;
  z-index: 9999;
}
.lang-selector-responsive a {
  margin-bottom: 0.2em;
  min-width: 70px;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  word-break: keep-all;
}
.loading-spinner {
  align-items: center;
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: center;
  width: 100%;
}
.loading-spinner-overlay {
  align-items: center;
  display: none;
  height: 100%;
  justify-content: center;
  left: 0;
  opacity: 1;
  pointer-events: all;
  position: absolute;
  top: 0;
  transition: opacity 0.3s ease;
  width: 100%;
  z-index: 10;
}
.loading-spinner-overlay.active {
  display: flex;
  opacity: 1;
  pointer-events: all;
}
.loading-text {
  animation: fadeInLoading 1.2s infinite alternate;
  color: var(--color-primary);
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 1.2rem;
  text-align: center;
}
.results {
  background: none;
  border-radius: 0;
  color: inherit;
  display: none;
  margin-top: 1.5rem;
  max-width: var(--max-width-results);
  padding: 0;
  text-align: left;
  width: 100%;
  word-break: break-all;
}
.results.show {
  display: block;
}
.seo-content {
  display: none;
}
.spinner-border {
  margin-top: 1rem;
}
.success-error-icon {
  align-items: center;
  display: flex;
  height: 72px;
  justify-content: center;
  width: 72px;
}
.success-icon-bg {
  align-items: center;
  background: #e6f9f0;
  border-radius: 50%;
  display: flex;
  height: 72px;
  justify-content: center;
  width: 72px;
}

/* --------------------------------------------------
   8. Buttons
-------------------------------------------------- */
.fade-in {
  opacity: 1 !important;
  transition: opacity 0.4s ease;
}
.fade-out {
  opacity: 0 !important;
  transition: opacity 0.4s ease;
}

/* --------------------------------------------------
   9. Alerts & Feedback
-------------------------------------------------- */
.alert-danger {
  align-items: center;
  display: flex;
  font-size: 1.1rem;
  gap: 0.75rem;
  margin-bottom: 1rem;
  width: 100%;
}
.alert-danger .bi {
  display: inline-block;
  flex-shrink: 0;
  margin-right: 0.75rem;
  vertical-align: middle;
}
.alert-danger span {
  display: inline-block;
  vertical-align: middle;
}
.error {
  color: var(--color-error);
  margin-top: 1rem;
}
.invalid-feedback {
  display: block;
  min-height: 1.5em;
  visibility: hidden;
}
.is-invalid + .invalid-feedback,
.invalid-feedback.d-block {
  visibility: visible;
}

/* --------------------------------------------------
   10. Media Queries
-------------------------------------------------- */
@media (max-width: 600px) {
  html, body {
    height: 100dvh;
    min-height: 100dvh;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
  }
  .container {
    box-sizing: border-box;
    height: auto;
    max-width: 100vw;
    min-height: unset;
    padding: 0.5rem;
  }
  .content {
    max-height: unset;
    overflow-y: unset;
    padding: 0.5rem;
  }
  .lang-selector-responsive {
    display: none !important;
  }
  .logo {
    height: var(--logo-height-mobile);
  }
}

/* --------------------------------------------------
   11. Miscellaneous
-------------------------------------------------- */
#heartbeat-canvas {
  height: 100vh;
  left: 0;
  opacity: 0;
  pointer-events: none;
  position: fixed;
  top: 0;
  transition: opacity 0.5s;
  width: 100vw;
  z-index: 1;
}
body.pulse-green #heartbeat-canvas {
  opacity: 0.5;
}
.container, .content, .results, .logo-container, .seo-content {
  position: relative;
  z-index: 1;
}
@keyframes fadeInLoading {
  0% { opacity: 0.5; }
  100% { opacity: 1; }
}