:root {
    --ugb-primary: #eab676;
    --ugb-secondary: #0369a1;
    --color-primary: #eab676;
    --color-primary-light: #0369a1;
    --color-primary-dark: #2596be;
    --color-secondary: #006F3C;
    --color-accent: #D4AF37;
    --color-background: #f8fafc;
    --color-text-dark: #1e293b;
    --color-text-light: #f8fafc;
    --ugb-accent: #FFB800;
    --ugb-light: #F5F7FA;
    --ugb-text: #2A2C30;
    --ugb-error: #DC3545;
}

/* Reset de base */
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

/* Container principal */
.login-container {
    min-height: 100%;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    font-family: 'Roboto', sans-serif;
    background-color: var(--color-background);
    overflow-y: auto;
}

/* Carte de login */
.login-card {
    width: 100%;
    max-width: 480px;
    margin: 1rem auto;
    border-radius: 24px;
    box-shadow: 0 15px 50px rgba(27, 55, 100, 0.15);
    background: white;
    display: flex;
    flex-direction: column;
    animation: fadeInUp 0.8s ease-out;
}

/* En-tête */
.login-header {
    padding: 2rem;
    background: white;
    text-align: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 24px 24px 0 0;
}

/* Logo */
.logo-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
}

.logo-wrapper:hover {
    transform: scale(1.02);
}

.logo-img {
    width: 120px;
    height: auto;
    object-fit: contain;
}

/* Titres */
.login-title {
    color: var(--ugb-primary);
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.5px;
}

.login-subtitle {
    color: var(--ugb-text);
    opacity: 0.7;
    margin-top: 0.5rem;
    font-size: 0.95rem;
}

/* Formulaire */
.login-form {
    padding: 2rem;
    background-color: #f0f4f8;
    border-radius: 0 0 24px 24px;
}

.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-control {
    width: 100%;
    height: 56px;
    padding: 0.75rem 1rem 0.75rem 3rem;
    border: 2px solid rgba(27, 55, 100, 0.1);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
    color: var(--ugb-text);
}

.form-control:focus {
    border-color: var(--ugb-primary);
    box-shadow: 0 0 0 4px rgba(234, 182, 118, 0.1);
    outline: none;
}

/* Icônes */
.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--ugb-primary);
    font-size: 1.2rem;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.form-control:focus + .input-icon {
    opacity: 1;
}

/* Bouton de connexion */
.btn-login {
    width: 100%;
    height: 56px;
    background: var(--ugb-secondary);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(27, 55, 100, 0.2);
}

.btn-login::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transform: rotate(45deg);
    transition: 0.6s;
}

.btn-login:hover::after {
    left: 100%;
}

/* Lien mot de passe oublié */
.forgot-password {
    display: block;
    text-align: center;
    margin-top: 1.75rem;
    color: var(--ugb-text);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    opacity: 0.7;
}

.forgot-password:hover {
    color: var(--ugb-primary);
    opacity: 1;
}

/* Animation d'entrée */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Media Queries pour la responsivité */
@media screen and (max-height: 700px) {
    .login-container {
        align-items: flex-start;
    }
    
    .login-card {
        margin: 0.5rem auto;
    }
    
    .login-header {
        padding: 1.5rem;
    }
    
    .logo-img {
        width: 100px;
    }
    
    .login-title {
        font-size: 1.5rem;
    }
    
    .login-subtitle {
        font-size: 0.9rem;
    }
    
    .login-form {
        padding: 1.5rem;
    }
    
    .form-group {
        margin-bottom: 1rem;
    }
}

@media screen and (max-height: 500px) {
    .login-container {
        padding: 0.5rem;
    }
    
    .logo-wrapper {
        margin-bottom: 1rem;
    }
    
    .login-header {
        padding: 1rem;
    }
    
    .login-form {
        padding: 1rem;
    }
    
    .form-group {
        margin-bottom: 0.75rem;
    }
}

@media (max-width: 480px) {
    .login-card {
        margin: 0.5rem;
    }
    
    .login-title {
        font-size: 1.5rem;
    }
    
    .logo-img {
        width: 100px;
    }
    
    .login-form {
        padding: 1.5rem;
    }
}