:root {
  color-scheme: light dark;

  --gris-100: oklch(0.9834 0.0042 236.5);
  --gris-300: oklch(0.701 0.0042 236.5);
  --bleu-100: oklch(0.9606 0.0206 281.95);
  --bleu-200: oklch(0.838 0.0892 279.12);
  --bleu-500: oklch(0.52 0.27 266.37);
  --bleu-600: oklch(0.3768 0.2546 266.67);
  --bleu-700: oklch(0.1268 0.1246 266.67);
  --bleu-800: oklch(0.0868 0.0846 266.67);
  --bleu-900: oklch(0.0068 0.0246 266.67);
  --corail-300: oklch(0.8028 0.1458 32.94);
  --corail-500: oklch(69.171% 0.19989 33.476);
  --corail-800: oklch(0.663 0.2439 29.21);

  --color-bleu-50: oklch(0.952 0.023 278);
  --color-bleu-100: oklch(0.891 0.053 275.92);
  --color-bleu-200: oklch(0.795 0.104 274.76);
  --color-bleu-300: oklch(0.689 0.163 272.56);
  --color-bleu-400: oklch(0.602 0.215 270.04);
  --color-bleu-500: oklch(0.523 0.265 266.37);
  --color-bleu-600: oklch(0.449 0.278 264.19);
  --color-bleu-700: oklch(0.361 0.219 264.14);
  --color-bleu-800: oklch(0.276 0.162 264.04);
  --color-bleu-900: oklch(0.178 0.091 263.13);
  --color-bleu-950: oklch(0.131 0.06 261.83);

  --color-corail-50: oklch(0.962 0.019 29.62);
  --color-corail-100: oklch(0.924 0.039 31.59);
  --color-corail-200: oklch(0.862 0.075 31.87);
  --color-corail-300: oklch(0.793 0.12 32.4);
  --color-corail-400: oklch(0.74 0.16 32.94);
  --color-corail-500: oklch(0.692 0.2 33.49);
  --color-corail-600: oklch(0.642 0.245 31.79);
  --color-corail-700: oklch(0.514 0.194 32.12);
  --color-corail-800: oklch(0.389 0.143 33.04);
  --color-corail-900: oklch(0.24 0.081 36.71);
  --color-corail-950: oklch(0.164 0.05 41.01);

  --background: white;
  --primary-color: var(--color-bleu-500);
  --primary-hover: var(--color-bleu-600);
  --accent-color: var(--color-bleu-500);
  --text-color: black;
  --text-muted: var(--gris-300);
  --card-bg: var(--background);
  --card-border: var(--color-bleu-100);
  --border-color: var(--color-bleu-200);
  --error-color: #dc2626;
  --success-color: #16a34a;

  /* Animations */
  --main-color: var(--color-bleu-500);
  --secondary-color: var(--color-bleu-600);
  --muted-color: var(--color-bleu-200);
  --ink: color-mix(in oklch, var(--muted-color), transparent 80%);
  --logo-bg: color-mix(in oklch, var(--background), transparent 50%);

  @media (prefers-color-scheme: dark) {
    --background: var(--color-bleu-950);
    --card-bg: var(--color-bleu-900);
    --muted-color: var(--color-bleu-600);
    --card-border: var(--color-bleu-800);
    --border-color: var(--color-bleu-800);
    --main-color: var(--color-bleu-600);
    --ink: color-mix(in oklch, var(--muted-color), transparent 87.5%);
    --logo-bg: color-mix(in oklch, var(--background), transparent 30%);
  }
}

/* Base */
body {
  font-family: system-ui, sans-serif;
  font-weight: normal;
  background: var(--background);
  color: var(--text-color);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  contain: paint;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border-width: 0;
}

/* Layout */
.app-page {
  --max-width: 400px;
  width: 100%;
  max-width: min(calc(100% - 2rem), var(--max-width));
  position: relative;
}

.app-page--wide {
  --max-width: 480px;
}

.app-container {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow:
    0 1px 3px color-mix(in oklch, var(--bleu-500), transparent 96%),
    0 4px 12px color-mix(in oklch, var(--bleu-500), transparent 94%);
  border: 1px solid var(--card-border);
}

/* Logo */
.logo-box {
  text-align: center;
  margin-bottom: 2rem;
}

.logo-img {
  max-width: 96px;
  margin-bottom: 1rem;
}

.logo-txt {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
}

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

/* Labels */
label {
  display: block;
  font-weight: 500;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.form-label--center {
  text-align: center;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--background);
  transition: border-color 0.2s, box-shadow 0.2s;
  color: light-dark(black, white);
}

.form-input:focus {
  outline: none;
  border-color: var(--bleu-500);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--bleu-500), transparent 75%);
}

.form-input::placeholder {
  color: var(--gris-300);
}

/* Input with icon */
.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 1rem;
  color: var(--gris-300);
}

.input-wrapper .form-input {
  padding-left: 2.75rem;
}

/* Buttons */
.grow {
  flex-grow: 1;
}

.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  background: var(--bleu-500);
  color: white;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--bleu-600);
}

.btn-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  border: 1px solid var(--bleu-500);
  border-radius: 8px;
  cursor: pointer;
  color: var(--bleu-500);
  background: transparent;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-secondary:hover {
  background: var(--bleu-100);
  border-color: var(--bleu-500);
}

.btn-row {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn-row .grow {
  flex: 1;
}

/* Auth provider buttons */
.auth-btn {
  display: flex;
  align-items: stretch;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  text-decoration: none;
  margin-bottom: 0.5rem;
  border: 1px solid var(--border-color);
}

.auth-btn-icon {
  padding: 1rem;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-btn-text {
  flex: 1;
  padding: 1rem;
  display: flex;
  align-items: center;
  background: var(--background);
  font-weight: 500;
}

/* Links */
.links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.links a {
  color: var(--bleu-500);
  text-decoration: none;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.links a:hover {
  text-decoration: underline;
}

/* Messages */
.message-box {
  padding: 1rem 1.25rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.message-box i {
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.message-box p {
  margin: 0;
  line-height: 1.5;
}

.message-error {
  background: rgba(220, 38, 38, 0.1);
  border: 1px solid rgba(220, 38, 38, 0.2);
  color: var(--error-color);
}

.message-success {
  background: rgba(22, 163, 74, 0.1);
  border: 1px solid rgba(22, 163, 74, 0.2);
  color: var(--success-color);
}

.message-warning {
  background: rgba(217, 119, 6, 0.1);
  border: 1px solid rgba(217, 119, 6, 0.2);
  color: var(--warning-color);
}

.message-info {
  background: rgba(2, 132, 199, 0.1);
  border: 1px solid rgba(2, 132, 199, 0.2);
  color: var(--info-color);
}

/* Info text */
.info-text {
  text-align: center;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

/* MFA list */
.mfa-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mfa-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--bg-color);
  border-radius: 8px;
  margin-bottom: 0.5rem;
  text-decoration: none;
  transition: all 0.2s;
}

.mfa-item:hover {
  background: var(--bleu-100);
  border-color: var(--bleu-500);
}

.mfa-icon {
  font-size: 1.5rem;
  color: var(--bleu-500);
}

/* Utilities */
.hidden {
  display: none !important;
}

/* Responsive */
@media (max-width: 480px) {
  .app-container {
    padding: 1.5rem;
  }

  .logo-txt {
    font-size: 1.25rem;
  }
}

.dot {
  animation: frog 1s ease infinite;
  transform-origin: center bottom;
}

.dots {
  display: inline-flex;
  gap: 0.1em;
}

.dot {
  width: 0.175em;
  height: 0.175em;
  border-radius: 50%;
  background: radial-gradient(var(--main-color), var(--secondary-color));
}

.dot:nth-child(2) {
  animation-delay: 0.1s;
}

.dot:nth-child(3) {
  animation-delay: 0.2s;
}

@keyframes frog {
  0%,
  100% {
    transform: translateY(0) scaleX(1) scaleY(1);
  }

  20% {
    transform: translateY(0) scaleX(1.2) scaleY(0.7);
  }

  40% {
    transform: translateY(-200%) scaleX(0.9) scaleY(1.1);
  }

  60% {
    transform: translateY(0) scaleX(1.1) scaleY(0.8);
  }

  80% {
    transform: translateY(-50%) scaleX(1) scaleY(1);
  }
}

:root {
  /* Dimensions */
  --cell-width: 18px;
  --cell-height: 22px;
  --font-size: 14px;
  --grid-padding: 10px;

  /* Base Color (oklch) */
  --base-color: var(--main-color);

  /* Glow Color (oklch) */
  --glow-color: var(--main-color);

  /* Opacités (color-mix) */
  --bit-opacity: 6%;
  --glow-opacity: 25%;
  --fade-opacity: 5%;

  /* Glow Effect */
  --glow-spread: 20px;
  --glow-intensity: 50%;

  /* Couleurs calculées */
  --bit-color: color-mix(
    in oklch,
    var(--base-color) var(--bit-opacity),
    transparent
  );
  --bit-glow-color: color-mix(
    in oklch,
    var(--glow-color) var(--glow-opacity),
    transparent
  );
  --bit-fade-color: color-mix(
    in oklch,
    var(--base-color) var(--fade-opacity),
    transparent
  );
  --glow-shadow-color: color-mix(
    in oklch,
    var(--glow-color) var(--glow-intensity),
    transparent
  );
  --glow-shadow-mid: color-mix(
    in oklch,
    var(--glow-color) calc(var(--glow-intensity) / 2),
    transparent
  );
  --glow-shadow-soft: color-mix(
    in oklch,
    var(--glow-color) calc(var(--glow-intensity) / 4),
    transparent
  );

  /* Animation */
  --transition-duration: 0.8s;
  --min-interval: 80;
  --max-interval: 300;
  --animation-threads: 7;
}

.binary-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: var(--grid-padding);
  user-select: none;
  pointer-events: none;
}

.row {
  display: flex;
  height: var(--cell-height);
  flex-shrink: 0;
}

.row:nth-child(even) {
  margin-left: calc(var(--cell-width) / 2);
}

.bit {
  width: var(--cell-width);
  font-size: var(--font-size);
  color: var(--bit-color);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition:
    color var(--transition-duration) ease-out,
    text-shadow var(--transition-duration) ease-out;
}

.bit.glow {
  color: var(--bit-glow-color);
  text-shadow:
    0 0 calc(var(--glow-spread) * 0.4) var(--glow-shadow-color),
    0 0 var(--glow-spread) var(--glow-shadow-mid),
    0 0 calc(var(--glow-spread) * 2) var(--glow-shadow-soft);
}

.bit.glow-fade {
  color: var(--bit-fade-color);
  text-shadow: 0 0 calc(var(--glow-spread) * 0.2) var(--glow-shadow-soft);
}

.logo {
  width: max(100vw, 100vh);
  pointer-events: none;
  user-select: none;
  position: absolute;
  height: auto;
}

.logo.top-left {
  top: 0;
  left: 0;
  transform: translate(-25%, -25%);
}

.logo.bottom-right {
  bottom: 0;
  right: 0;
  transform: translate(25%, 25%);
}

.logo.top-right {
  top: 0;
  right: 0;
  transform: translate(25%, -25%);
}

.logo.bottom-left {
  bottom: 0;
  left: 0;
  transform: translate(-25%, 25%);
}

/* Tracés solides (apparaissent à la fin) */
.symbol {
  fill: var(--logo-bg);
  stroke: var(--ink);
  stroke-width: 1;
  stroke-linecap: square;
  stroke-linejoin: miter;
  vector-effect: non-scaling-stroke;
}