:root {
  --blue-dark: #061c55;
  --blue: #0d5c8f;
  --orange: #f6b04c;
  --white: #ffffff;
  --text: #111827;
  --muted: #666666;
  --danger-bg: #fee2e2;
  --danger-text: #991b1b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
  min-height: 100vh;
}

body.login-parent {
  background: linear-gradient(135deg, #0d5c8f, #083c5a);
}

body.login-teacher {
  background: linear-gradient(135deg, #f6b04c, #f59e0b);
}

body.login-admin {
  background: linear-gradient(135deg, #0b1220, #111827);
}

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

/* ✅ Cadre agrandi */
.login-container {
  background: var(--white);
  width: min(94vw, 640px);
  min-height: 620px;
  padding: 58px 64px;
  border-radius: 26px;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.28);
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.logo-block {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.logo {
  width: 118px;
  height: auto;
  display: block;
  margin: 0 auto 18px;
}

.tag {
  display: inline-block;
  margin-bottom: 18px;
  padding: 8px 18px;
  border-radius: 999px;
  font-weight: 900;
  font-size: 13px;
}

.tag.parent { background: #e0f2fe; color: #1e3a8a; }
.tag.teacher { background: #fff7ed; color: #9a3412; }
.tag.admin { background: #f3f4f6; color: #111827; }

.login-container h1 {
  margin: 0;
  font-size: 32px;
  color: #083c5a;
  line-height: 1.1;
}

.login-admin .login-container h1 {
  color: #111827;
}

.login-container p {
  font-size: 16px;
  color: var(--muted);
  margin: 14px 0 32px;
  line-height: 1.5;
}

#errorBox {
  display: none;
  margin: 0 0 18px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--danger-bg);
  color: var(--danger-text);
  font-weight: 800;
  font-size: 14px;
  text-align: left;
}

.form-group {
  text-align: left;
  margin-bottom: 24px;
}

.form-group label {
  font-size: 15px;
  color: #333333;
  display: block;
  margin-bottom: 8px;
  font-weight: 800;
}

.form-group input {
  width: 100%;
  padding: 17px 18px;
  border-radius: 15px;
  border: 1px solid #cccccc;
  font-size: 16px;
}

.form-group input:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(13, 92, 143, 0.12);
}

.login-btn {
  width: 100%;
  margin-top: 10px;
  padding: 18px;
  background: var(--orange);
  color: #0050a8;
  border: none;
  border-radius: 15px;
  font-size: 18px;
  font-weight: 900;
  cursor: pointer;
  transition: 0.2s ease;
}

.login-parent .login-btn:hover {
  background: var(--blue);
  color: white;
}

.login-teacher .login-btn,
.login-admin .login-btn {
  background: #1e3a8a;
  color: white;
}

.login-admin .login-btn {
  background: #111827;
}

.login-btn:hover { filter: brightness(0.96); }
.login-btn:disabled { opacity: 0.7; cursor: not-allowed; }

.back-link {
  margin-top: 22px;
  display: block;
  font-size: 16px;
  color: var(--blue);
  text-decoration: none;
  font-weight: 800;
}

.back-link:hover { text-decoration: underline; }

@media (max-width: 680px) {
  .login-page { padding: 20px; }
  .login-container {
    width: 100%;
    min-height: auto;
    padding: 42px 26px;
    border-radius: 22px;
  }
  .logo { width: 96px; }
  .login-container h1 { font-size: 28px; }
  .login-container p { font-size: 15px; }
}