/* École 360 — Pages d'authentification, thème ML SERVICES */
:root {
    --primary-color: #2a5da8;
    --primary-light: #4f82c9;
    --primary-dark: #1f4c8f;
    --primary-darker: #163a70;
    --primary-50: #eef4fc;
    --primary-rgb: 42, 93, 168;
    --bs-primary: #2a5da8;
    --bs-primary-rgb: 42, 93, 168;
    --bs-link-color: #2a5da8;
    --bs-link-hover-color: #1f4c8f;
}

body {
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    color: #1e2a3b;
    background-color: #1f4c8f;
    background-image:
        radial-gradient(circle at 15% 20%, rgba(127, 179, 245, 0.35) 0, transparent 40%),
        radial-gradient(circle at 85% 85%, rgba(255, 255, 255, 0.12) 0, transparent 45%),
        linear-gradient(135deg, #2a5da8 0%, #1f4c8f 55%, #163a70 100%);
    background-attachment: fixed;
}

/* En-tête marque */
.auth-brand {
    color: #ffffff;
}

.auth-logo {
    width: 104px;
    height: 104px;
    border-radius: 50%;
    background: #ffffff;
    padding: 10px;
    object-fit: contain;
    box-shadow: 0 10px 30px rgba(10, 30, 70, 0.35);
}

.auth-title {
    color: #ffffff;
    font-weight: 700;
    letter-spacing: 1px;
    margin-top: 1rem;
    margin-bottom: 0.15rem;
}

.auth-subtitle {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.9rem;
    margin: 0;
}

.auth-footer {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
}

.auth-footer strong {
    color: #ffffff;
}

/* Carte */
.card {
    border-radius: 18px;
    border: none;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(10, 30, 70, 0.35);
    animation: authIn 0.4s ease;
}

@keyframes authIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: none; }
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 22px;
    border: none;
}

.card-header h3 {
    font-weight: 600;
    font-size: 1.35rem;
}

.card-body {
    padding: 2rem;
}

.bg-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important;
}

/* Boutons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    border-radius: 10px;
    padding: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
    box-shadow: 0 6px 16px rgba(var(--primary-rgb), 0.35);
    transition: all 0.2s ease;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background: var(--primary-darker) !important;
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(var(--primary-rgb), 0.45);
}

/* Formulaires */
.form-label {
    font-weight: 500;
    font-size: 0.9rem;
    color: #334155;
}

.form-control {
    border-radius: 10px;
    padding: 12px;
    border: 1px solid #d3dbe7;
    transition: all 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(var(--primary-rgb), 0.18);
}

.input-group-text {
    background-color: var(--primary-50);
    color: var(--primary-color);
    border: 1px solid #d3dbe7;
    border-right: none;
    border-radius: 10px 0 0 10px;
    min-width: 46px;
    justify-content: center;
}

.input-group .form-control {
    border-left: none;
}

.input-group:focus-within .input-group-text {
    border-color: var(--primary-color);
    background-color: var(--primary-color);
    color: #ffffff;
}

/* Alertes */
.alert {
    border-radius: 10px;
    border: none;
    border-left: 4px solid;
}

.alert-info {
    background-color: var(--primary-50);
    color: var(--primary-dark);
    border-left-color: var(--primary-color);
}

.alert-danger,
.alert-error {
    background-color: #fdf0f1;
    color: #842029;
    border-left-color: #dc3545;
}

.alert-success {
    background-color: #ecf8f2;
    color: #14633f;
    border-left-color: #1f9d6b;
}

.text-primary {
    color: var(--primary-color) !important;
}

a {
    color: var(--primary-color);
    font-weight: 500;
    text-decoration: none;
}

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}