/* ============================================================
   iDev — page de connexion (auth)
   Page autonome (pas de sidebar/topbar) mais même charte que
   l'espace étudiant : Sora / Inter / JetBrains Mono, palette
   cobalt, signature "chemin de fichier" reprise dans l'eyebrow
   ~/connexion avec un curseur clignotant.
   ============================================================ */

:root {
  --ink: #0b1220;
  --ink-soft: #55607a;
  --ink-faint: #8a93a8;
  --bg: #f5f6f9;
  --surface: #ffffff;
  --border: #e6e8ef;
  --border-strong: #d7dae4;
  --accent: #2554ff;
  --accent-ink: #16309e;
  --accent-soft: #eaefff;
  --mono-accent: #0f9d78;

  --font-display: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow-md: 0 12px 32px rgba(11, 18, 32, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------- Structure ---------- */

.auth-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.25rem;
}

.auth-wrap {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
}

/* ---------- Marque ---------- */

.auth-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.auth-brand img { width: 34px; height: 34px; }

.auth-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.auth-brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
}

.auth-brand-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-faint);
}

/* ---------- Écosystème ---------- */

.auth-ecosystem {
  text-align: center;
  margin-top: -0.75rem;
}

.auth-ecosystem-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin: 0;
}

.auth-ecosystem-tagline {
  font-size: 0.78rem;
  color: var(--ink-faint);
  margin: 0.2rem 0 0;
}

.auth-ecosystem-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent-ink);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 0.3rem 0.85rem 0.3rem 0.5rem;
  margin: 0.6rem 0 0;
}

.auth-ecosystem-badge .badge-icon {
  width: 26px;
  height: 26px;
  border-radius: 5px;
  flex: 0 0 auto;
}

.auth-ecosystem-badge .badge-icon--shield {
  width: auto;
  height: 27px;
  border-radius: 0;
}

/* ---------- Décor d'arrière-plan ---------- */

.bg-decor {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 260px;
  height: auto;
  z-index: 0;
  pointer-events: none;
  user-select: none;
}

.bg-decor--left { left: -60px; }
.bg-decor--right { right: -60px; }

@media (max-width: 900px) {
  .bg-decor { display: none; }
}

.auth-ecosystem-badge .badge-x {
  color: var(--ink-faint);
  font-weight: 500;
  margin: 0 0.1rem;
}

/* ---------- Carte ---------- */

.auth-card {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 2rem 1.85rem 1.85rem;
}

.auth-eyebrow {
  display: flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--mono-accent);
  letter-spacing: 0.02em;
  margin-bottom: 0.85rem;
}

.auth-eyebrow::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 1em;
  background: var(--mono-accent);
  margin-left: 3px;
  animation: idev-blink 1s steps(1) infinite;
}

@keyframes idev-blink {
  50% { opacity: 0; }
}

.auth-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--ink);
  margin: 0 0 0.45rem;
}

.auth-subtitle {
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.55;
  margin: 0 0 1.75rem;
}

/* ---------- Formulaire ---------- */

.form-group { margin-bottom: 1.1rem; }

.form-label {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin-bottom: 0.4rem;
}

.input-wrap {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.input-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.input-prefix {
  flex: 0 0 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border-right: 1px solid var(--border);
}

.form-control {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  background: transparent;
  padding: 0.72rem 0.85rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--ink);
}

.form-control::placeholder { color: var(--ink-faint); }

.btn {
  width: 100%;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #ffffff;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.78rem 1rem;
  margin-top: 0.4rem;
  cursor: pointer;
  transition: background 0.15s;
}

.btn:hover { background: var(--accent-ink); }
.btn:active { transform: translateY(1px); }

/* ---------- Bas de carte / page ---------- */

.auth-alt {
  text-align: center;
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 1.4rem 0 0;
}

.auth-alt a {
  color: var(--accent);
  font-weight: 600;
}
.auth-alt a:hover { color: var(--accent-ink); text-decoration: underline; }

.auth-footer {
  text-align: center;
  font-size: 0.78rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin: 0;
}

.auth-footer strong { color: var(--ink); font-weight: 600; }

.auth-footer-meta {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.72rem;
  color: var(--ink-faint);
}

.auth-footer a { color: var(--ink-soft); }
.auth-footer a:hover { color: var(--accent-ink); }

/* ---------- Responsive ---------- */

@media (max-width: 480px) {
  .auth-card { padding: 1.6rem 1.25rem 1.4rem; }
  .auth-title { font-size: 1.3rem; }
}