/* ══════════════════════════════
   BLUFFIUM — Login CSS
══════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #050508;
  --surf:       rgba(255,255,255,0.04);
  --surf2:      rgba(255,255,255,0.06);
  --border:     rgba(255,255,255,0.08);
  --border-md:  rgba(255,255,255,0.12);
  --border-str: rgba(255,255,255,0.18);
  --text:       #f5f5f7;
  --text-2:     rgba(245,245,247,0.65);
  --text-3:     rgba(245,245,247,0.35);
  --radius-sm:  10px;
  --radius-md:  16px;
  --radius-lg:  24px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Carte ── */
.login-card {
  background: var(--surf);
  border: 1px solid var(--border-md);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 380px;
  margin: 1rem;
  animation: cardIn .5s cubic-bezier(.16,1,.3,1) both;
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(20px) scale(.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Logo ── */
.login-logo {
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -.06em;
  color: var(--text);
  text-align: center;
  margin-bottom: .3rem;
}
.login-tagline {
  font-size: .75rem;
  color: var(--text-3);
  text-align: center;
  font-weight: 400;
  margin-bottom: 2rem;
}

/* ── Tabs ── */
.login-tabs {
  display: flex;
  background: var(--surf2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 3px;
  margin-bottom: 1.8rem;
}
.login-tab {
  flex: 1;
  padding: .5rem;
  border: none;
  background: transparent;
  color: var(--text-2);
  font-family: 'Space Grotesk', sans-serif;
  font-size: .82rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
  border: 1px solid transparent;
}
.login-tab.active {
  background: var(--surf);
  color: var(--text);
  border-color: var(--border-md);
}

/* ── Formulaire ── */
.login-form {
  display: flex;
  flex-direction: column;
  gap: .9rem;
}
.login-field {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.login-field label {
  font-size: .68rem;
  font-weight: 700;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}
.login-field input {
  background: var(--surf2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
  font-size: .88rem;
  font-weight: 500;
  outline: none;
  transition: border-color .2s;
  -webkit-appearance: none;
  width: 100%;
}
.login-field input:focus { border-color: var(--border-str); }
.login-field input::placeholder { color: var(--text-3); }

/* ── Règles mot de passe ── */
.pw-rules {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  margin-top: .2rem;
}
.pw-rule {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .7rem;
  font-weight: 500;
  color: var(--text-3);
  transition: color .2s;
}
.pw-rule-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--text-3);
  flex-shrink: 0;
  transition: background .2s;
}
.pw-rule.valid { color: #34d399; }
.pw-rule.valid .pw-rule-dot { background: #34d399; }

/* ── Message ── */
.login-msg {
  font-size: .76rem;
  font-weight: 600;
  text-align: center;
  padding: .55rem .75rem;
  border-radius: var(--radius-sm);
  display: none;
}
.login-msg.error   { display: block; background: rgba(239,68,68,0.08); color: #f87171; border: 1px solid rgba(239,68,68,0.18); }
.login-msg.success { display: block; background: rgba(52,211,153,0.08); color: #34d399; border: 1px solid rgba(52,211,153,0.18); }

/* ── Bouton ── */
.login-btn {
  width: 100%;
  padding: .85rem;
  background: var(--text);
  color: var(--bg);
  border: none;
  border-radius: var(--radius-sm);
  font-family: 'Space Grotesk', sans-serif;
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: -.01em;
  cursor: pointer;
  margin-top: .2rem;
  transition: opacity .2s, transform .15s;
}
.login-btn:hover   { opacity: .88; }
.login-btn:active  { transform: scale(.98); }
.login-btn:disabled { opacity: .35; cursor: not-allowed; transform: none; }

/* ── Footer ── */
.login-footer {
  margin-top: 1.4rem;
  text-align: center;
  font-size: .68rem;
  color: var(--text-3);
  font-weight: 400;
}