/* ─── TOKENS (Charte Clesio v1.0) ─────────────────────────────────── */
:root {
  --navy-dark:   #0A1628;
  --dark-navy:   #0F2847;
  --primary-blue:#2E7CF6;
  --cyan-accent: #00D4AA;
  --blue-light:  #5BA0FF;
  --blue-pale:   #E8F1FE;
  --coral:       #FF6B6B;
  --amber:       #F59E0B;
  --white:       #FFFFFF;
  --gray-100:    #F7F9FC;
  --gray-200:    #E2E8F0;
  --gray-400:    #94A3B8;
  --gray-600:    #64748B;
  --gray-800:    #1E293B;
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --transition:  0.22s ease;
}

/* ─── RESET ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Poppins', sans-serif;
  font-size: 14px;
  line-height: 1.6;
  background: #07111f;
  color: var(--gray-800);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow: hidden;
}

/* ─── BACKGROUND DECO ───────────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 10% 12%, rgba(46,124,246,.16) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 90% 88%, rgba(0,212,170,.12)  0%, transparent 55%),
    radial-gradient(ellipse 80% 20% at 50% 100%, rgba(46,124,246,.10) 0%, transparent 60%);
  pointer-events: none;
}

#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* Petits logos Clesio flottants (au-dessus du canvas, sous la carte) */
.bg-float-logos {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.float-logo {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: var(--size, 32px);
  height: auto; /* même logo qu’en accueil (80×92), pas carré */
  /* Beaucoup de logos : opacité plus basse pour rester lisible */
  opacity: 0.1;
  filter: drop-shadow(0 2px 14px rgba(46, 124, 246, 0.22));
  /* Trajectoire plus ample, plusieurs étapes = effet “promenade” */
  animation: float-logo-drift var(--dur, 32s) ease-in-out infinite;
  animation-delay: var(--d, 0s);
  will-change: transform;
}

.float-logo:nth-child(odd) {
  animation-name: float-logo-drift-alt;
}

.float-logo:nth-child(3n) {
  animation-name: float-logo-drift-wide;
}

@keyframes float-logo-drift {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  16% { transform: translate(28px, -42px) rotate(7deg); }
  33% { transform: translate(-36px, 18px) rotate(-5deg); }
  50% { transform: translate(22px, 38px) rotate(6deg); }
  66% { transform: translate(-24px, -28px) rotate(-4deg); }
  83% { transform: translate(40px, 12px) rotate(3deg); }
}

@keyframes float-logo-drift-alt {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  16% { transform: translate(-32px, 36px) rotate(-6deg); }
  33% { transform: translate(38px, -22px) rotate(5deg); }
  50% { transform: translate(-18px, -40px) rotate(-7deg); }
  66% { transform: translate(30px, 28px) rotate(4deg); }
  83% { transform: translate(-42px, -14px) rotate(-3deg); }
}

/* Variante encore plus large pour 1 logo sur 3 */
@keyframes float-logo-drift-wide {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  20% { transform: translate(52px, -24px) rotate(8deg); }
  40% { transform: translate(-20px, 48px) rotate(-6deg); }
  60% { transform: translate(-48px, -20px) rotate(5deg); }
  80% { transform: translate(24px, 32px) rotate(-5deg); }
}

@media (prefers-reduced-motion: reduce) {
  .float-logo {
    animation: none;
    opacity: 0.07;
  }
}

/* ─── CARD ───────────────────────────────────────────────────────────── */
.card {
  position: relative;
  z-index: 1;
  background: var(--dark-navy); /* même couleur que le header → pas de coin blanc */
  border-radius: var(--radius-lg);
  box-shadow:
    0 40px 100px rgba(0,0,0,.6),
    0 8px 32px rgba(46,124,246,.15),
    0 0 0 1px rgba(255,255,255,.06);
  width: 100%;
  max-width: 480px;
  overflow: hidden;
}

/* ─── HEADER ─────────────────────────────────────────────────────────── */
.card-header {
  background: var(--dark-navy);
  padding: 36px 40px 28px;
  text-align: center;
}

/* assets/clesio-logo.svg */

.logo-symbol {
  width: 48px;
  height: auto;
  display: block;
  margin: 0 auto 12px;
}

.logo-text {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -.3px;
}

.logo-sub {
  font-size: 11px;
  font-weight: 300;
  color: var(--gray-400);
  letter-spacing: .6px;
  text-transform: uppercase;
  margin-top: 2px;
}

/* ─── TABS ───────────────────────────────────────────────────────────── */
.tabs {
  display: flex;
  background: var(--navy-dark);
  border-bottom: 2px solid var(--gray-200);
}

.tab-btn {
  flex: 1;
  padding: 14px 0;
  font-family: 'Poppins', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-400);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
  position: relative;
  letter-spacing: .2px;
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0; right: 0;
  height: 3px;
  background: var(--primary-blue);
  border-radius: 2px 2px 0 0;
  transform: scaleX(0);
  transition: transform var(--transition);
}

.tab-btn.active {
  color: var(--white);
  background: var(--white);
  color: var(--primary-blue);
}

.tab-btn.active::after {
  transform: scaleX(1);
}

/* ─── PANELS ─────────────────────────────────────────────────────────── */
.panel {
  display: none;
  padding: 36px 40px 40px;
  background: var(--white);
}

.panel.active { display: block; }

/* ─── FORM HEADING ───────────────────────────────────────────────────── */
.panel-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 4px;
}

.panel-sub {
  font-size: 13px;
  font-weight: 300;
  color: var(--gray-600);
  margin-bottom: 28px;
}

.auth-msg {
  font-size: 13px;
  line-height: 1.45;
  margin: -18px 0 18px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  display: none;
}

.auth-msg.is-visible {
  display: block;
}

.auth-msg--error {
  background: rgba(255, 107, 107, 0.12);
  color: #c53030;
  border: 1px solid rgba(255, 107, 107, 0.35);
}

.auth-msg--success {
  background: rgba(0, 212, 170, 0.12);
  color: #047857;
  border: 1px solid rgba(0, 212, 170, 0.35);
}

/* ─── INPUTS ─────────────────────────────────────────────────────────── */
.field {
  margin-bottom: 18px;
}

label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-800);
  margin-bottom: 6px;
  letter-spacing: .3px;
  text-transform: uppercase;
}

.input-wrap {
  position: relative;
}

.input-wrap svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  stroke: var(--gray-400);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

.toggle-pwd {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  color: var(--gray-400);
  transition: color var(--transition);
}

.toggle-pwd:hover { color: var(--primary-blue); }

.toggle-pwd svg {
  position: static;
  transform: none;
  width: 16px;
  height: 16px;
  pointer-events: none;
}

input[type="text"],
input[type="email"],
input[type="password"] {
  width: 100%;
  height: 48px;
  padding: 0 14px 0 42px;
  font-family: 'Poppins', sans-serif;
  font-size: 14px;
  font-weight: 400;
  color: var(--navy-dark);
  background: var(--gray-100);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.input-wrap input[type="password"] {
  padding-right: 42px;
}

input:focus {
  background: var(--white);
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(46,124,246,.12);
}

input:focus + .input-wrap svg,
.input-wrap:focus-within svg {
  stroke: var(--primary-blue);
}

input::placeholder { color: var(--gray-400); }

/* ─── INLINE ROW ─────────────────────────────────────────────────────── */
.row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* ─── FORGOT ─────────────────────────────────────────────────────────── */
.field-meta {
  display: flex;
  justify-content: flex-end;
  margin-top: -10px;
  margin-bottom: 18px;
}

.link {
  font-size: 12px;
  font-weight: 500;
  color: var(--primary-blue);
  text-decoration: none;
  cursor: pointer;
  transition: color var(--transition);
}

.link:hover { color: var(--blue-light); }

/* ─── DIVIDER ────────────────────────────────────────────────────────── */
.divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 22px 0;
  color: var(--gray-400);
  font-size: 12px;
  font-weight: 300;
}

.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gray-200);
}

/* ─── PRIMARY BUTTON ─────────────────────────────────────────────────── */
.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 50px;
  padding: 0 24px;
  font-family: 'Poppins', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  background: var(--primary-blue);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  letter-spacing: .3px;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  margin-bottom: 10px;
}

.btn-primary:hover {
  background: var(--blue-light);
  box-shadow: 0 8px 24px rgba(46,124,246,.35);
  transform: translateY(-1px);
}

.btn-primary:active { transform: translateY(0); }

/* ─── SOCIAL BUTTONS ─────────────────────────────────────────────────── */
.btn-social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  height: 46px;
  font-family: 'Poppins', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-800);
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
  margin-bottom: 10px;
}

.btn-social:hover {
  background: var(--gray-100);
  border-color: var(--gray-400);
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}

.btn-social svg { flex-shrink: 0; }

/* ─── CHECKBOX ───────────────────────────────────────────────────────── */
.check-wrap {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 22px;
}

input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 1px;
  accent-color: var(--primary-blue);
  cursor: pointer;
  flex-shrink: 0;
}

.check-label {
  font-size: 12px;
  font-weight: 300;
  color: var(--gray-600);
  line-height: 1.6;
}

.check-label .link { font-weight: 500; }

/* ─── PASSWORD STRENGTH ──────────────────────────────────────────────── */
.strength-bar {
  display: flex;
  gap: 4px;
  margin-top: 6px;
}

.strength-bar span {
  flex: 1;
  height: 3px;
  background: var(--gray-200);
  border-radius: 2px;
  transition: background .3s;
}

.strength-bar span.weak   { background: var(--coral); }
.strength-bar span.medium { background: var(--amber); }
.strength-bar span.strong { background: var(--cyan-accent); }

.strength-hint {
  font-size: 11px;
  font-weight: 300;
  color: var(--gray-400);
  margin-top: 4px;
}

.match-hint {
  font-size: 11px;
  font-weight: 400;
  margin-top: 4px;
  min-height: 16px;
}

/* ─── SWITCH LINK ────────────────────────────────────────────────────── */
.switch-text {
  text-align: center;
  font-size: 13px;
  font-weight: 300;
  color: var(--gray-600);
  margin-top: 6px;
}

/* ─── BADGE SUCCESS ──────────────────────────────────────────────────── */
.badge-secure {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,212,170,.08);
  border: 1px solid rgba(0,212,170,.25);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-bottom: 24px;
}

.badge-secure svg { flex-shrink: 0; }

.badge-secure p {
  font-size: 11px;
  font-weight: 400;
  color: var(--gray-600);
  line-height: 1.5;
}

.badge-secure strong {
  color: var(--cyan-accent);
  font-weight: 500;
}

/* ─── FOOTER ─────────────────────────────────────────────────────────── */
.card-footer {
  background: var(--gray-100);
  border-top: 1px solid var(--gray-200);
  padding: 14px 40px;
  text-align: center;
  font-size: 11px;
  font-weight: 300;
  color: var(--gray-400);
}

.card-footer a { color: var(--gray-600); text-decoration: none; }
.card-footer a:hover { color: var(--primary-blue); }
/* Lien retour vers la landing */
.back-home {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  margin: 0;
}
.back-home a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
}
.back-home a:hover {
  color: var(--white);
}

.card-logo-link {
  display: block;
  text-decoration: none;
  color: inherit;
}
.card-logo-link:hover .logo-text {
  color: var(--blue-light);
}