/* login.php — estilos específicos de la pantalla de login */
body {
    background: url('../../img/academic_bg.png') no-repeat center center fixed;
    background-size: cover;
    font-family: 'Roboto', sans-serif;
    display: flex;
    min-height: 100vh;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0;
    position: relative;
}

.login-card {
    width: 100%;
    max-width: 450px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.login-card .card-content {
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header img {
    max-width: 150px;
    margin-bottom: 15px;
}

.login-header h5 {
    color: var(--primary-blue);
    font-weight: 700;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.input-field input:focus {
    border-bottom: 1px solid var(--primary-blue) !important;
    box-shadow: 0 1px 0 0 var(--primary-blue) !important;
}

.input-field input:focus + label,
.input-field .prefix.active {
    color: var(--primary-blue) !important;
}

.btn-login {
    background-color: var(--primary-blue) !important;
    color: var(--primary-blue-on) !important;
    font-weight: bold;
    width: 100%;
    border-radius: 30px;
    height: 50px;
    line-height: 50px;
    font-size: 16px;
    margin-top: 20px;
    transition: all 0.3s ease;
    letter-spacing: 1px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.btn-login i.material-icons {
    color: var(--primary-blue-on) !important;
}

.btn-login:hover {
    filter: brightness(1.1);
    background-color: var(--primary-blue) !important;
    color: var(--primary-blue-on) !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
    transform: translateY(-1px);
}

.error-message {
    background-color: #ffebee;
    color: #d32f2f;
    text-align: center;
    font-weight: 500;
    padding: 12px;
    border-radius: 6px;
    border-left: 5px solid #d32f2f;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    font-size: 14px;
}